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PRELIMINARY The information shown is preliminary and based on data available at the time of publication. All dimensions are in inches (millimeters) unless otherwise noted. All dimensions are measured at curb weight with standard tires and wheels.
Body Style ...........................................................................................Four-door sport-utility vehicle Construction ...........................................................................................................Steel Uniframe® Assembly Plant ........................................................................Jefferson Avenue North, Detroit, USA EPA Vehicle Class .............................................................................................Multi-purpose vehicle 2006 MY Introduction ........................................................................................................Fall 2005
Availability ............................................................................Standard with 4x2 and 4x4 Commander Type and Description ..............................................90-degree V-type, liquid-cooled with balance shaft Displacement ..............................................................................................226 cu. in. (3701 cu. cm) Bore x Stroke ...............................................................................................3.66 x 3.57 (93.0 x 90.8) Valve System ...............................Chain-driven SOHC, 12 valves and hydraulic end-pivot roller rockers Fuel Injection ....................................................................Sequential, multi-port, electronic, returnless Construction ....................................Cast-iron block and bedplate, aluminum alloy heads, balance shaft Compression Ratio .......................................................................................................................................9.7:1 Power (estimated SAE net) .................................................210 hp (157 kW) @ 5200 rpm (58.1 hp/L) Torque (estimated SAE net) ...........................................................235 lb.-ft. (319 N•m) @ 4000 rpm Max. Engine Speed ...........................................................................5800 rpm (electronically limited) Fuel Requirement .....................................................................Unleaded regular, 87 octane (R + M)/2 Oil Capacity ............................................................................................................5.0 qt. (4.7-liter) Coolant Capacity .................................................................................................14.0 qt. (13.25-liter) Emission Controls ...Dual 3-way catalytic converters, heated oxygen sensors & internal engine features(a)
2WD .................................................................................................................................3500 lbs. 4WD .................................................................................................................................3500 lbs. Estimated EPA Fuel Economy mpg (City/Hwy) ......................................................................................................................16/19 (a) Meets LEV II evaporative emission requirements in CA, NY, MA, ME and VT. Meets Tier 2, Bin 5 emission requirements and Clean Fuel Fleet Certification (CCF-LEV) in all other states..
Availability ...........................Standard with 4x2 and 4x4 Commander Limited, optional on Commander Type and Description ........................................................................90-degree V-type, liquid-cooled Displacement ..............................................................................................287 cu. in. (4701 cu. cm) Bore x Stroke ...............................................................................................3.66 x 3.41 (93.0 x 86.5) Valve System .....................................................................................Chain-driven SOHC, 16 valves, hydraulic end-pivot roller rockers Fuel Injection ....................................................................Sequential, multi-port, electronic, returnless Construction .........................................................Cast-iron block and bedplate, Aluminum alloy heads Compression Ratio .....................................................................................................................................9.0:1 Power (estimated SAE net) ................................................235 hp (175 kW) @ 4500 rpm (50.0 hp/L) Torque (estimated SAE net) ...........................................................305 lb.-ft. (414 N•m) @ 3600 rpm Max. Engine Speed .........................................................................6000 rpm (electronically limited) Fuel Requirement .....................................................................Unleaded regular, 87 octane (R+M)/2 Oil Capacity ..........................................................................................................6 qt. (5.7-liter) Coolant Capacity .................................................................................................14.0 qt. (13.25-liter) Emission Controls ....Dual 3-way catalytic converters, heated oxygen sensors, internal engine features(a)
2WD .................................................................................................................................6500 lbs. 4WD .................................................................................................................................6500 lbs. Estimated EPA Fuel Economy (mpg City/Hwy) ......................................................................................................................14/19 (a) 4x2 meets LEV II evaporative emission requirements in CA, NY, MA, ME and VT. 4x2 meets Tier 2 Bin 9A emissions requirements and Clean Fuel Fleet Certification (CCF-LEV) in all other states. 4x4 meets LEV II evaporative emission requirements in CA, NY, MA, ME and VT. 4x4 meets Tier I evaporative emissions in all other states and Clean Fuel Fleet Certification (CCF-LEV). Meets Euro IV in international markets.
Availability ..............................................................................Optional with 4x4 Commander Limited Type and Description ..........................................................................90-degree V-type, liquid-cooled Displacement ..............................................................................................345 cu. in. (5654 cu. cm) Bore x Stroke ...............................................................................................3.92 x 3.58 (99.5 x 90.9) Valve System ....Pushrod-operated overhead valves, 16 valves, eight deactivating and eight conventional hydraulic lifters, all with roller followers Fuel Injection .................................................................Sequential, multi-port, electronic, returnless Construction ..................................................................Deep-skirt cast-iron block with cross-bolted main bearing caps, aluminum alloy heads with hemispherical combustion chambers Compression Ratio ......................................................................................................................................9.6:1 Power (estimated SAE net) ...............................................330 hp (246 kW) @ 5000 rpm, (57.5 hp/L) Torque (estimated SAE net) ...........................................................375 lb.-ft. (509 N•m) @ 4000 rpm Max. Engine Speed ............................................................................5800 rpm (electronically limited) Fuel Requirement ...Unleaded mid-grade, 89 octane (R+M)/2 recommended, unleaded regular, 87 octane (R+M)/2 acceptable Oil Capacity ...............................................................................................................7 qt. (6.6-liter) Coolant Capacity .................................................................................................14.5 qt. (13.72-liter) Emission Controls ......Dual close-coupled three-way catalytic converters, Quad heated oxygen sensors and internal engine features(a)
4WD ..................................................................................................................................7200 lbs. Estimated EPA Fuel Economy mpg City/Hwy) ........................................................................................................................13/18 (a) Meets LEV II evaporative emission requirements in CA, NY, MA, ME and VT and Tier I evaporative emissions and Clean Fuel Fleet Certification (CCF-LEV) in all other states. Meets Euro IV in international markets.
Availability ....................................................................................Included with 3.7-L V-6 gas engine Description ....Adaptive electronic control or Electronic Range Select (ERS) driver-interactive manual control and electronically modulated torque converter clutch Gear Ratios 1st ............................................................................................................................................3.59 2nd ...........................................................................................................................................2.19 3rd ............................................................................................................................................1.41 4th ............................................................................................................................................1.00 5th ............................................................................................................................................0.83 Reverse .....................................................................................................................................3.16 Final Drive Ratio ...........................................................................................3.07:1 with 3.7-L engine Overall Top Gear .................................................................2.55 with 3.07 axle or 2.95 with 3.55 axle
Availability ...............................................................................Included with 4.7-L and 5.7-L engines Description ......Three planetary gear sets, one overrunning clutch, with Electronic Range Select (ERS) driver interactive control, electronically controlled torque converter clutch Gear Ratios 1st ............................................................................................................................................3.00 2nd ........................................................................................................1.67 upshift; 1.50 kick-down 3rd ............................................................................................................................................1.00 4th ............................................................................................................................................0.75 5th ............................................................................................................................................0.67 Reverse ....................................................................................................................................3.00 Final Drive Ratio ...............................................................................3.73 with 4.7-L or 5.7-L engine Overall Top Gear .................................................................................................2.50 with 3.73 axle
Availability ................................................................................................Standard with 3.7-L engine Type .............................................................................................................................Single-speed Operating Mode ................................................................................................................Full-time 4x4 Low-Range Ratio .............................................................................................................................None Center Differential Type ........................................Electronically controlled clutch pack torque transfer Torque Split, Front/Rear .............................................................................................................48/52
Availability ..............................................................................Included with 4.7-L and 5.7-L engines, optional with 3.7-L engine Type ................................................................................................Two-speed, electronically shifted Operating Modes ........................................................4x4 Low (Lock), Neutral; Full-Time Active 4x4 Low Range Ratio ..........................................................................................................................2.72 Center Differential Type ....................................Electronically controlled clutch pack torque transfer Torque Split, Front/Rear .............................................................................................................48/52
Differential Type .............................................................................................................Conventional Availability ......................................................Standard on 4x4 models with 3.7-L and 4.7-L engines Ring Gear Diameter ...................................................................................................7.9 in. (200mm) Axle Ratios ......................................................................3.07:1 - 3.7-L engine; 3.73:1 - 4.7-L engine Differential Type ...............................................................Electronic Limited Slip Differentials (ELSD) Availability .........................................................Optional on 4.7-L models with NV245 transfer case, standard with 4x4 5.7-L engine (Quadra-Drive II®) Ring Gear Diameter ...............................................................................................Same as standard Axle Ratios .........................................................................................3.73:1 - 4.7-L and 5.7-L engine
Differential Type .............................................................................................................Conventional Availability .........................................................Standard on 3.7-L engine; standard on 4.7-L engine Ring Gear Diameter ..................................................................................................8.3 in. (213 mm) Axle Ratios .........................................................3.07:1 - 3.7-L V-6 engine; 3.73:1 - 4.7-L V-8 engine; 3.55:1 included with 3.7-L/4WD/245 Transfer Case Differential Type ...............................................................................................Vari-Lock Progressive Availability .....................................................................................................Optional on 4x2 models Ring Gear Diameter ...............................................................................................Same as standard Axle Ratios ..........................................3.07:1 - 3.7-L engine; 3.73:1 - 4.7-L engine and 5.7-L engine Differential Type ...............................................................Electronic Limited Slip Differentials (ELSD) Availability ...................Standard with 5.7-L engine; optional with 4x4 4.7-L engine (Quadra-Drive II) Ring Gear Diameter .........................................................................................Same as conventional Axle Ratios .............................................................................3.73:1 - 4.7-L engine and 5.7-L engine
Alternator ..............................................................................................................................160-amp Battery ......................................................................................Group 65 maintenance-free 750CCA
Wheelbase ......................................................................................................................109.5 (2781) Track, Front .......................................................................................................................62.6 (1589) Track, Rear .......................................................................................................................62.6 (1589) Overall Length ................................................................................................................188.5 (4787) Overall Width (width at mirrors) .....................................................................................89.0 (2260.9) Body Width ....................................................................................................................74.8 (1899.5) Overall Height ................................................................................................................71.9 (1825.7) Load Floor Height ............................................................................................................36.2 (920.3) Sill Step Height ................................................................................................................19.9 (504.9) Ground Clearance Chassis (fuel tank) ..........................................................................................................9.9 (250.6) Front axle .......................................................................................................................9.0 (227.4) Rear axle ........................................................................................................................8.6 (217.9) Approach Angle ............................................................................................................................34° Ramp Breakover Angle .................................................................................................................20° Departure Angle ...........................................................................................................................27° Curb Weight (estimated) 2WD ...............................................................Commander: 4581 lbs. (2077 kg) with 3.7-L engine Commander: 4709 lbs. (2136 kg) with 4.7-L engine Limited: 4930 lbs. (2236 kg) with 4.7-L engine 4WD ...............................................................Commander: 4783 lbs. (2170 kg) with 3.7-L engine Commander: 4951 lbs. (2246 kg) with 4.7-L engine Limited: 5047 lbs. (2289 kg) with 4.7-L engine Limited: 5169 lbs. (2345 kg) with 5.7-L engine Weight Distribution, F/R 2WD .....................................................................................Commander: 43/57 with 3.7-L engine Commander: 44/56 with 4.7-L engine Limited: 45/55 with 4.7-L engine 4WD .....................................................................................Commander: 44/56 with 3.7-L engine Commander: 44/56 with 4.7-L engine Limited: 44/56 with 4.7-L engine Limited: 45/55 with 5.7-L engine Payload (includes occupants and cargo) 2WD ...............................................................................................3.7-L engine 1620 lbs (735 kg) 4.7-L engine 1490 lbs (676 kg) 4WD ...............................................................................................3.7-L engine 1620 lbs (735 kg) 4.7-L engine 1450 lbs (658 kg) 5.7-L engine 1230 lbs (558 kg) Frontal Area .....................................................................................................32.1 sq. ft. (3.0 sq. m) Drag Coefficient .........................................................................................................................0.415 Aero ................................................................................................13.3 (Cd x Cross Sectional Area) Fuel Tank Capacity ............................................................................................. 20.5 gal. (77.6-liter)
Seating Capacity, Front/Second/Third ........................................................................................2/3/2 Front Seat Head room ....................................................................................................................42.1 (1070) Leg room .......................................................................................................................41.7 (1058) Shoulder room ...............................................................................................................59.0 (1499) Hip room ........................................................................................................................55.6 (1412) Seat travel - driver ...........................................................................................................10.5 (267) Seat travel - passenger .....................................................................................................9.8 (250) SAE volume ................................................................................................68.5 cu. ft. (1.94 cu. m) 2nd Row Seat Head room ................................................................................................................... 40.2 (1021) Leg room ........................................................................................................................ 36.1 (916) Shoulder room .............................................................................................................. 58.5 (1486) Hip room ....................................................................................................................... 54.0 (1372) Knee clearance ............................................................................................................... 1.8 (45.7) Couple ......................................................................................................................... 33.0 (838.4) SAE volume ............................................................................................... 36.3 cu. ft. (1.03 cu. m) 3rd Row Seat Head room .................................................................................................................. 35.7 (907.6) Leg room ..................................................................................................................... 28.9 (734.0) Shoulder room ........................................................................................................... 50.4 (1280.8) Hip room (w/without rear HVAC) ................................................................................ 57.4 (1458.5) Couple ......................................................................................................................... 33.0 (838.2) SAE Volume ................................................................................................. 8.0 cu. ft. (0.23 cu. m) Cargo Volume Behind 3rd Row Seat ....................................................................................6.0 cu. ft. (0.17 cu. m) Behind 2nd row seats .................................................with 3rd seat folded 36.4 cu. ft. (1.03 cu. m) Behind front row with 2nd and 3rd seat folded ...........................................68.7 cu. ft. (1.95 cu. m)
4x2 Layout ....................................................................................Longitudinal front engine, rear drive Construction .............................................................................................................Steel Uniframe 4x4 Layout ................................Longitudinal front engine, transfer case with full-time four-wheel drive Construction .............................................................................................................Steel Uniframe
Front ...................................................................................................Short/long independent (SLA), coil springs, gas-charged, twin-tube coil over shock absorbers, upper and lower control arms (“A” arms), stabilizer bar Rear ..........Live axle, link coil with track bar, gas-charged twin tube shock absorbers, stabilizer bar
Type ................................................................................................................Power rack-and-pinion Overall Ratio ..............................................................................17:4:1 on center, 15:45:1 at full lock Turning Diameter (curb-to-curb)(a) ..............................................................................36.8 ft (11.2 m) Steering Turns (lock-to-lock) ........................................................................................................3.14 (a)Turning diameter is measured at the outside of the tires at curb height. Turning diameters and steering wheel turns, lock-to-lock may differ with optional tires and wheels.
Front Size and type ..............................................................12.9 x 1.2 (328 x 30) vented disc with 1.89 (48) two-piston pin-slider caliper and ESP standard Swept area ..............................................................................................272 sq. in. (1820 sq. cm) Rear Size and type .................................................................12.6 x 0.55 (320 x 14) disc with 1.89 (48) single-piston pin-slider caliper and ESP standard Swept area ..................................................................................................256 sq. in. (1658 sq. cm) Power Assist Type ................................................................Single-rate, tandem diaphragm vacuum
Standard - Commander Size and type ...............................................................................................................P245/65R17 Mfr. and model ...........................................................Goodyear Fortera black sidewall all-season Revs per mile ............................................................................................................................721 Standard - Limited/Optional - Commander Size and type ...............................................................................................................P245/65R17 Mfr. and model .....................................................Goodyear Fortera outline white letter all-season Revs per mile ............................................................................................................................710 (a)Turning diameter is measured at the outside of the tires at curb height. Turning diameters and steering wheel turns, lock-to-lock may differ with optional tires and wheels.
Standard - Commander Type and Material ........................................................................................Cast-aluminum wheels Size .................................................................................................................................17” x 7.5” Standard - Limited Type and Material ........................................................................................Cast-aluminum wheels Size .................................................................................................................................17” x 7.5” Optional - Limited Type and Material ...........................................................................Chrome-clad aluminum wheels
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