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.
GENERAL INFORMATION
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
ENGINE: 3.7-LITER SOHC POWER TECH ? V-6
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 three-way catalytic converters,
heated oxygen sensors and internal engine features(a)
Maximum Gross Trailer Weight (lbs.)
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.
ENGINE: 4.7-LITER SOHC POWER TECH V-8
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,
and 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 three-way catalytic converters,
heated oxygen sensors, internal engine features(a)
Maximum Gross Trailer Weight (lbs.)
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.
ENGINE: 5.7-LITER HEMI ? V-8
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)
Maximum Gross Trailer Weight (lbs.)
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.
TRANSMISSION: W5A580 AUTOMATIC, FIVE-SPEED OVERDRIVE
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
TRANSMISSION: 545RFE, AUTOMATIC MULTI-SPEED
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
TRANSFER CASE: NV140
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
TRANSFER CASE: NV245
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
FRONT AXLES
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 IIЁ)
Ring Gear Diameter Same as standard
Axle Ratios 3.73:1 - 4.7-L and 5.7-L engine
REAR AXLES
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
ELECTRICAL SYSTEM
Alternator 160-amp
Battery Group 65 maintenance-free 750CCA
DIMENSIONS AND CAPACITIES
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)
ACCOMMODATIONS
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 3 rd Row Seat 6.0 cu. ft. (0.17 cu. m)
Behind 2 nd row seats with 3 rd seat folded 36.4 cu. ft. (1.03
cu. m)
Behind front row with 2 nd and 3 rd seat folded 68.7 cu. ft.
(1.95 cu. m)
BODY
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
SUSPENSION
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
STEERING
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.
BRAKES
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
TIRES(a)
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.
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
Size 17? x 7.5?
