Features and Tech Specs include Standard Equipment only and do not reflect upgraded or added options.
SAFETY
StabiliTrak, traction assistance and vehicle stability enhancement system
Brake/transmission shift interlock for automatic transmissions
Door beams, steel-side
Daytime Running Lamps
Air bags, frontal, driver and right-front passenger (Includes passenger-side air bag deactivation switch for models with (C6P) 8600 lbs. (3901 kg) GVWR and above. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)
Air bags, head/side-curtain provides coverage for first 3-rows only. Enhanced-technology glass is provided for the fourth and fifth rows when equipped with 12- and 15-passenger seating. (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat outboard occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)
OnStar, 6 months of Directions and Connections plan includes Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance including Remote Ignition Block, Remote Door Unlock, Turn-by-Turn Navigation with Destination Download (requires navigation radio) and OnStar eNav (where available), OnStar Vehicle Diagnostics, Roadside Assistance, Remote Horn and Lights, and Hands Free Calling. (Also includes Stolen Vehicle Slowdown. Visit onstar.com for details and system limitations.)
Automatic Crash Response (Deleted when (UE0) OnStar delete is ordered.)
Stolen Vehicle Assistance (Deleted when (UE0) OnStar delete is ordered.)
OnStar Turn-by-Turn Navigation (Deleted when (UE0) OnStar delete is ordered.)
Child seat anchors all three passenger rear seats have four anchors and two tethers
Tire Pressure Monitor System (does not apply to spare tires)
MECHANICAL
Engine, Vortec 6.0L V8 SFI FlexFuel (324 hp [241.6 kW] @ 4700 rpm, 373 lb-ft of torque [503.6 N-m] @ 4400 rpm) (Standard on *G33406 or *G33706 models. Includes external engine oil cooler. Reference the Engine/Axle page for availability. Available to order with *G23406.)
Transmission, 6-speed automatic, heavy-duty, electronically controlled with overdrive and tow/haul mode and internal transmission oil cooler (Standard on *G23406, *G33406 or *G33706 models. Includes external engine oil cooler. Reference the Engine/Axle page for availability.)
Rear axle, 3.42 ratio (Standard on **13406, *G23*06, and *G33*06 models. Reference the Engine/Axle page for availability.)
Tow/haul mode selector, instrument panel-mounted
Rear-wheel drive
Transmission oil cooler, external (Standard on *G23406, *G33406 or *G33706 models. Requires (L96) Vortec 6.0L V8 SFI FlexFuel engine or (LGH) Duramax 6.6L Turbo Diesel V8 engine.)
Battery, 600 cold-cranking amps, maintenance-free with rundown protection and retained accessory power
Alternator, 145 amps (Included with (C69) rear air conditioning.)
Frame, ladder-type
Suspension, front independent with coil springs and stabilizer bar (Standard and only available on *G***06 models.)
Suspension, rear hypoid drive axle with multi-leaf springs
GVWR, 9600 lbs. (4354 kg) (Standard on *G33*06 models. Reference the Engine/Axle page for availability.)
Steering, power
Brakes, 4-wheel antilock, 4-wheel disc
Fuel tank capacity, mid-frame and approximately 31 gallons (117.3L)
Exhaust, aluminized stainless-steel muffler and tailpipe
EXTERIOR
Wheels, 4 - 16" x 6.5" (40.6 cm x 16.5 cm) steel includes Gray center caps and steel spare (Standard on *G23406, *G33406, and *G33706 models only.)
Tires, front LT245/75R16E all-season, blackwall (Standard on *G23406, *G33406 and *G33706 models.)
Tires, rear LT245/75R16E all-season, blackwall (Standard on *G23406, *G33406 and *G33706 models.)
Tire, spare LT245/75R16E all-season, blackwall located at rear underbody of vehicle (Standard on *G23406, *G33406 and *G33706 models.)
Wheel trim, chrome center cap (Upgradeable to (N88) 4 - 17" x 7.5" (43.2 cm x 19.1 cm) aluminum premium wheels on **13406 models.)
Body, standard
Chrome Appearance Package
Bumpers, front and rear chrome with step-pad (Included with (ZR7) Chrome Appearance Package.)
Grille, chrome with dual composite halogen headlamps (Included and only available with (ZR7) Chrome Appearance Package.)
Headlamps, halogen
Mirrors, outside manual, Black
Glass, Solar-Ray deep-tinted (all windows except light-tinted glass on windshield and driver- and front passenger-side glass)
Glass, swing-out side door windows
Glass, swing-out rear cargo door windows
Glass, enhanced-technology, rearmost side windows. 3-layer special glass is designed to help reduce the risk of ejection during a crash (Standard on *G23406, *G33406, and *G33706 models with 12- and 15- passenger seating. Not available with 8-passenger seating.)
Glass, full-body window package (Includes (A18) swing-out rear cargo door window glass and (A19) swing-out side door window glass.)
Wipers, front intermittent wet-arm with pulse washers
License plate kit, front
Door, swing-out passenger-side, 60/40 split
ENTERTAINMENT
Audio system, AM/FM stereo with seek-and-scan, digital clock and 2 front door speakers (Not available with (NP5) leather wrapped steering wheel.)
INTERIOR
Seats, front bucket with Custom Cloth trim head restraints and inboard armrests (Requires (**G) interior trim. When ordering a seating arrangement that includes rear seats, includes rear bench seats with Custom Cloth trim. Head restraints are not available on rear bench seats. Included with (Y3H) Paratransit Package.)
Seating, 12-passenger, (2-3-3-4 seating configuration) 4-passenger seat is a 50/50 split, 2-piece configuration (Standard on *G23406, *G33406, and *G33706 models only.)
Console, deluxe with swing-out storage bin
Cup holders, 3 on the engine console cover
Power outlets 2 auxiliary on engine console cover with covers, 12-volt
Floor covering, full-floor color-keyed carpeting with front and rear rubberized vinyl floor mats
Steering wheel steel sleeve column with theft-deterrent locking feature, Black
Instrumentation, analog with speedometer, odometer with trip odometer, fuel level, voltmeter, engine temperature and oil pressure
Driver Information Center includes fuel range, average speed, oil life, tire pressure monitoring, fuel used, ice warning, engine hours, average fuel economy, tachometer, and maintenance reminders. Compass and outside temperature available if equipped.
Oil life monitor
Warning tones, headlamp on and key-in-ignition
Compass, 8-point digital located in the Driver Information Center (Included and only available with (C69) rear air conditioning.)
Convenience Package, power windows and door locks
Convenience Package, Tilt-Wheel and cruise control (Standard on the *G33406 and *G33706 models.)
Windows, power
Door locks, power with lock-out protection (Included with (ZQ2) Convenience Package.)
Remote Keyless Entry with 2 transmitters and remote panic button
Cruise control (Included and only available with (ZQ3) Convenience Package, tilt-wheel and cruise control.)
Theft-deterrent system, vehicle, PASS-Key III
Air conditioning, single-zone manual
Air conditioning, rear
Heater, rear auxiliary
Defogger, front and side windows
Mirror, inside rearview manual day/night
Headliner, cloth
Visors, driver and front passenger, padded with cloth trim and dual vanity mirrors, illuminated on passenger-side
Assist handle, front passenger
Lighting, interior with 2 dome lights defeat switch and door handle-activated switches
Lighting, auxiliary with reading and underhood lights
Features and Tech Specs include Standard Equipment only and do not reflect upgraded or added options.
Steering
Steering Type:
Pwr
Steering Ratio (:1), Overall:
N/A
Steering Ratio (:1), On Center:
17.2
Steering Ratio (:1), At Lock:
17.2
Turning Diameter - Curb to Curb:
54.5
Turning Diameter - Wall to Wall:
N/A
Interior Dimensions
Passenger Capacity:
12
Front Head Room:
39.8
Front Leg Room:
41.3
Front Shoulder Room:
68.8
Front Hip Room:
65.5
Second Head Room:
38.4
Second Leg Room:
36.3
Second Shoulder Room:
68.6
Second Hip Room:
65.6
Third Head Room:
38.5
Third Leg Room:
36.6
Third Shoulder Room:
65.8
Third Hip Room:
63.3
Fourth Head Room:
37.6
Fourth Leg Room:
36.6
Fourth Shoulder Room:
69.1
Fourth Hip Room:
65.7
Fifth Head Room:
Fifth Leg Room:
Fifth Shoulder Room:
Fifth Hip Room:
Suspension
Suspension Type - Front:
Coil Springs
Suspension Type - Rear:
Multi-leaf
Spring Capacity - Front:
4300
Spring Capacity - Rear:
6084
Axle Type - Front:
Independent
Axle Type - Rear:
Semi-Floating
Axle Capacity - Front:
4300
Axle Capacity - Rear:
6084
Axle Ratio (:1) - Front:
Axle Ratio (:1) - Rear:
3.42
Shock Absorber Diameter - Front:
1.38
Shock Absorber Diameter - Rear:
Stabilizer Bar Diameter - Front:
1.38
Stabilizer Bar Diameter - Rear:
Transmission
Drivetrain:
Rear Wheel Drive
Trans Order Code:
MYD
Trans Type:
6
Trans Description Cont.:
HD Automatic w/OD
Trans Description Cont. Again:
First Gear Ratio (:1):
4.03
Second Gear Ratio (:1):
2.36
Third Gear Ratio (:1):
1.53
Fourth Gear Ratio (:1):
1.15
Fifth Gear Ratio (:1):
0.85
Sixth Gear Ratio (:1):
0.67
Reverse Ratio (:1):
3.06
Clutch Size:
Trans Power Take Off:
Final Drive Axle Ratio (:1):
N/A
Transfer Case Model:
Transfer Case Gear Ratio (:1), High:
Transfer Case Gear Ratio (:1), Low:
Transfer Case Power Take Off:
Electrical
Cold Cranking Amps @ 0 F (Primary):
600
Cold Cranking Amps @ 0 F (2nd):
Cold Cranking Amps @ 0 F (3rd):
N/A
Maximum Alternator Capacity (amps):
145
Cooling System
Total Cooling System Capacity:
N/A
Mileage
Disclaimer: Based on 2008 EPA mileage estimates, reflecting new EPA fuel economy methods beginning with 2008 models. Use for comparison purposes only. Do not compare to models before 2008. Your actual mileage will vary depending on how you drive and maintain your vehicle.