BODY

Construction

Steel and composite body on fully boxed frame

Final Assembly Location

Louisville, Ky.

Louisville, Ky.  

   POWERTRAIN AND CHASSIS

ENGINE

Type

V-6

V-8

Manufacturing Location

Cologne , Germany

Romeo, Michigan

Configuration

Cast iron block and aluminum heads

Cast iron block and aluminum heads

Intake Manifold

Composite, shell welded
with internal runner pack

Composite shell-welded single runner, charge motion control valves

Exhaust Manifold

Cast iron

Cast iron

Crankshaft

Cast iron

Cast iron

Redline

6,000 rpm

6,250 rpm

Idle Speed in Drive

625 rpm

635 rpm

Throttle Body

65 mm

75 mm

Valvetrain

SOHC, 2 valves per cylinder

SOHC, 3 valves per cylinder,
variable camshaft timing

Valve Diameter

Intake: 46.0 mm
Exhaust: 39.0 mm

Intake: 33.8 mm
Exhaust: 37.5 mm

Pistons

Hypereutectic aluminum

Hypereutectic aluminum

Connecting Rods

Forged steel

Cracked powdered metal with floating wristpins

Ignition

Distributorless with coil pack

Coil on plug, high-thread-insert spark plugs

Bore x stroke

3.95 x 3.32 in. / 100.4 x 84.4 mm

3.55 x 3.54 in. / 90.2 x 90.0 mm

Displacement

245 cu. in. / 4,009 cc

281 cu. in. / 4,606 cc

Compression ratio

9.7:1

9.8:1

Horsepower

210 @ 5,100 rpm

292 @ 5,750 rpm

Horsepower per liter

52.5

63.5

Torque

254 lb.-ft. @ 3,700 rpm

300 lb.-ft. @ 3,950 rpm

Recommended fuel

87 Octane

87 Octane

Fuel capacity

22.5 Gallons

22.5 Gallons

Fuel Injection

Sequential multi-port fuel injection

Sequential multi-port fuel injection

Emission Control

Closed loop with catalyst

Closed loop with catalyst

Emissions (tailpipe/evaporation)
Federal standards
California standards

Tier II, Bin 4/LEV2
Tier II, Bin 4/LEV2

Interim Tier II, Bin 5/Tier 2
ULEV2/LEV2

Oil Capacity

5 quarts with filter

6 quarts with filter

Recommended Oil

GF-4, 5W-30

GF-4, 5W-20

Coolant Capacity

12.5 quarts

12.7 quarts

DRIVETRAIN

Layout

Rear- or four-wheel drive (active torque-on-demand 4x4 system)

Rear- or four-wheel drive (active torque-on-demand 4x4 system)

TRANSMISSION

Standard

5-speed automatic overdrive

6-speed automatic overdrive

Gear Ratios

  1 st

3.22:1

4.17:1

  2 nd

2.29:1

2.34:1

  3 rd

1.54:1

1.52:1

  4 th

1.00:1

1.14:1

  5 th

0.71:1

0.86:1

  6 th

N/A

0.69:1

  REV

3.07:1

3.40:1

  Final Drive

0.71:1

0.69:1

REAR AXLE RATIO

  Standard

3.73

3.55

  Optional

NA

NA

SUSPENSION

Front

Independent short- and long-arms (SLA) design with coil-over shocks; 1.34" (32 mm) stabilizer bar

Rear

Independent Trailing Blade short- and long-arm (SLA) design with coil-over shocks; 0.77" (25 mm) stabilizer bar

STEERING

Type

Low-friction rack-and-pinion with power assist

Steering column

Tilt

Ratio

18.9:1

Turning circle curb-to-curb

36.8 ft.

BRAKES

Type

Four-wheel power disc brakes with standard 4-sensor, 4-channel antilock braking system (ABS) and AdvanceTrac® with RSC® (Roll Stability Control)

Front

305 x 30 mm ventilated

Swept area

780 cm²

Rear

301 x 12 mm solid

Swept area

608 cm²

Power assist

Vacuum with ABS

FUEL ECONOMY (city/hwy)

4x2 4.0-liter V-6 5-speed automatic

2008 MY figures N/A

4x2 4.6-liter V-8 6-speed automatic

2008 MY figures N/A

4x4 4.0-liter V-6 5-speed automatic

2008 MY figures N/A

4x4 4.6-liter  V-8 6-speed automatic

2008 MY figures N/A

TIRES AND WHEELS

P235/70R16 A/S OWL tires/ 16 x 7.0 inch painted cast-aluminum wheels
P245/65R17 A/S OWL tires/17x 7.5 inch painted cast-aluminum wheels
P235/65R18 A/S OWL tires/ 18 x 7.5 inch machined aluminum wheels
P235/65R18 A/S OWL tires/ 18 x 7.5 inch chrome-clad aluminum wheels

Recommended tire pressure (front/rear)

35 psi / 35 psi (16-inch wheels)
35 psi / 35 psi (17-inch wheels)
32 psi / 32 psi (18-inch wheels)

   DIMENSIONS (inches unless otherwise noted)

EXTERIOR

Wheelbase

130.5

Vehicle length

210.2

Vehicle width (excluding mirrors)

73.7

Vehicle height with options

72.5

Track, front/rear

60.8/61.8

Minimum Running Ground Clearance

 8.5

Approach angle

28.7o

Departure angle

17.2o

Ramp breakover angle

17.2o

Cargo box length at floor

49.6

Cargo box width at floor (Maximum)

61.4

Cargo box height

21.2

INTERIOR

Seating capacity

5 passenger

Headroom

  Front row

39.8

  Second row

38.5

Legroom

  Front row

42.4

  Second row

36.9

Shoulder room

  Front row

59.0

  Second row

58.9

Hip room

  Front row

55.4

  Second row

55.5

   WEIGHTS AND CAPACITIES (pounds unless otherwise noted)

Maximum towing capacity (when properly equipped)

V-6

V-8

  4X2

5,260

7,160

  4X4

5,090

7,000

Maximum payload

  4X2

1,450

1,430

  4X4

1,420

1,450

Base curb weight

  4X2

4,579

4,670

  4X4

4,740

4,830

Weight distribution (f/r)

4x2: 55/45
4x4: 56/44

4x2: 56/44
4x4: 56/44

   MAJOR STANDARD EQUIPMENT

XLT

Battery saver; AdvanceTrac® with RSC® (Roll Stability Control); Tire Pressure Monitoring System; Safety Canopy®, Front-seat side air bags; Leather wrapped steering wheel; Steering column lock/ignition security and column tilt; BeltMinder™; SecuriLock® engine immobilizer-anti-theft system; LATCH (Lower Anchor and Tethers for Children) system on rear outboard seat locations; Security approach lamps; Manual CFC-free air conditioning with rotary controls;  AM/FM audio system with single CD, MP3 player; Cruise control; Power door locks with remote entry key fobs; Message center with 2-line display and outside temperature and compass; Speed-sensitive front intermittent wipers; Power windows with driver-side one-touch-down control; Dual power side mirrors with black caps; Fog lamps; Black bodyside cladding and wheel lip moldings; Chrome-finished grille; 16-inch cast aluminum wheels; Powerpoints in the first and second rows and cargo area; Driver and front-row passenger vanity mirrors; 3.73 non-limited slip rear axle, standard with 4.0-liter engine; 3.55 non-limited slip rear axle standard with 4.6-liter engine; Privacy glass; Black roof rails; Class II trailer towing hitch, cargo bed storage compartments and tie downs

Limited adds

Automatic headlamps; Monochromatic exterior; 18-in machined Aluminum wheels with P235/65R18 A/S tires; Silver step bars; Silver roof side rails with black end caps; 6-way power-adjustable driver’s seat, High-series floor console, Leather shift knob

OPTIONS

Interior

Audiophile AM/FM audio system with six-CD, MP3 player and powered subwoofer; SIRIUS® Satellite Radio; Two-tone leather-trimmed seats (Limited only); 10-way power-adjustable drivers seat (Limited only); Overhead console; Heated first- row seats (Limited only); Adjustable pedals; Power moonroof; Auto-dimming rearview mirror; Dual-Zone automatic temperature control (Limited only); Secondary steering wheel-mounted audio controls (Limited only)

Exterior

Trailer tow prep package/Class III/IV; Bed extender; Roof rail crossbars; Heated windshield; Hard tonneau cover, Illuminated door entry keypad

   OTHER

Exterior color

Stone Green Clearcoat Metallic; Vapor Silver Clearcoat Metallic; White Suede Tri-Coat; Dark Blue Pearl Clearcoat Metallic; Silver Birch Clearcoat Metallic; Black Clearcoar; Redfire Clearcoat Metallic; Dark Cherry Metallic (Limited only)

Interior trim

Camel; Light Stone; Dark Charcoal

   WARRANTY INFORMATION

Warranty

3-year, 36,000-mile bumper-to-bumper

5-year, 60,000-mile powertrain limited warranty and roadside assistance

Specifications subject to change.