GMC
Sierra 2500HD
2008
Go

2008 GMC Sierra 2500HD Specs & Safety

The table below shows all 2008 GMC Sierra 2500HD specs by style, including MPG (fuel economy), transmission details, and interior and exterior dimensions. Additionally, find 2008 GMC Sierra 2500HD warranty and reliability information, such as limits on bumper-to-bumper coverage and major components.

Overview

Select Style

MSRP *
$24,460
Invoice *
$22,380
Engine
6.0L V-8 353 HP 373 ft.lbs. @ 4,400 rpm / 6.6L V-8 365 HP 660 ft.lbs. @ 1,600 rpm
Transmission
6-spd sequential shift control auto w/OD / 6-spd auto w/OD / sequential shift control
Bumper to Bumper Months/Miles
36/36,000

Powertrain

Select Style

Engine
6.0L V-8 353 HP 373 ft.lbs. @ 4,400 rpm / 6.6L V-8 365 HP 660 ft.lbs. @ 1,600 rpm
Transmission
6-spd sequential shift control auto w/OD / 6-spd auto w/OD / sequential shift control
Alternator
125 amp / 160 amp / 125 amp dual
Battery
600 amp heavy duty with run down protection / 600 amp heavy duty with run down protection, auxiliary battery / 730 amp with run down protection, dual lead acid batteries
Axle Ratio
3.73 / 4.10
Recommended Fuel Type
regular unleaded / diesel
Fuel Tank
34.0 gal.
Exhaust
stainless steel
Drive Type
rear-wheel
Limited Slip Differential
limited slip differential

Steering and Suspension

Select Style

Ride
heavy duty
Front Suspension
short and long arm
Front Anti-Roll Bar
front anti-roll bar
Front Springs
torsion bar
Front Shocks
gas-pressurized
Rear Suspension
rigid axle leaf
Rear Springs
leaf
Rear Shocks
gas-pressurized
Steering
re-circulating ball
Brakes
4-wheel disc
Vented Disc Brakes
front and rear
Wheels
16.0 " painted steel / 16.0 " styled steel
Front Tires
LT245/75SR16.0EBSW AS / LT245/75SR16.0EBSW AT
Spare Tire and Wheel
full-size steel / full-size / steel

Seating and Interior

Select Style

Seating Capacity
3
Front Seat Type
40-20-40 split-bench
Front Headrests
adjustable
Front Armrests
center w/storage
Front Driver Seat Direction Controls
4-way
Front Passenger Seat Direction Controls
4-way
Seat Trim
vinyl / cloth
Headliner
full cloth
Floor Trim
vinyl/rubber / carpet
Floor Mats
vinyl/rubber front

Comfort and Conveniences

Select Style

Vanity Mirrors
passenger
Rearview Mirror
day-night
Glove Box
locking
Cabback Insulator
cabback insulator
Dome Light
fade
Reading Lights
front
Overhead Console
mini
Cup Holder
front
Instrument Panel Storage
bin
Door Bins
dual
Front Air Conditioning
manual
Radio
XM AM/FM/Satellite, clock, seek-scan
CD
in-dash mounted single
MP3 Player
MP3 decoder
Speakers
4
Radio Theft Deterrent
THEFTLOCK
Antenna
fixed
Cruise Control
with steering wheel controls
Door Locks
manual / power with 2 stage unlock
Remote Keyless Entry
keyfob (all doors)
Power Outlets
2
Retained Accessory Power
retained accessory power
Smokers Package
ashtray
Emergency SOS
OnStar Safe & Sound
Internet Access
internet access
Instrument Display
analog
Tachometer
tachometer
Oil Pressure Gauge
oil pressure gauge
Water Temp Gauge
engine temperature gauge
Volt Gauge
voltmeter gauge
Systems Monitor
systems monitor
Trip Odometer
trip odometer
Steering Wheel Type
tilt
Front Windows
manual
Tinted Windows
light / deep
Front Windshield Wipers
variable intermittent
Rear Defroster
rear defroster

Safety

Select Style

Anti-Lock Brakes (ABS)
4-wheel anti-lock brakes (ABS)
Daytime Running Lights
daytime running lights
Center High Mounted Stop Light
center high mounted stop light
Front Impact Airbags
driver and passenger w/passenger front-impact cancellable
Side Impact Bars
side impact beams
Ignition Disable
Passlock II
Panic Alarm
panic alarm
Tracker System
tracker system
Security System
security system

Dimensions and Capacities

Select Style

Door Count
2 doors
Exterior Cargo Length
97.8 "
Exterior Length
224.7 "
Exterior Width
80.0 "
Exterior Height
76.4 "
Wheelbase
133 "
Front Tread
68 "
Rear Tread
67 "
Turning Radius
22.7 '
Gross Vehicle Weight Rating
9,200 lbs.
Curb Weight
5,308 lbs.
Front Gross Axle Weight Rating
4,200 lbs.
Rear Gross Axle Weight Rating
6,084 lbs.
Payload
3,892 lbs.
Max Trailer Weight
10,400 lbs. / 13,000 lbs. / 12,900 lbs.
Max Trailer Tongue Weight
16,000 lbs. / 22,000 lbs. / 18,500 lbs.
Front Legroom
41.3 "
Front Headroom
41.4 "
Front Hiproom
62.5 "
Front Shoulder Room
65.2 "
Exterior Cargo Width
50.6 "
Exterior Cargo Volume
75.5 cu.ft.

Exterior Features

Select Style

Pickup
regular
Bumpers
chrome with 2 front tow hook(s)
Rear Step Bumper
rear step bumper
Grille Moldings
black w/chrome surround
Paint
clearcoat monotone
Exterior Mirrors
dual manual / dual manual convex spotter
Trailering
class IV
Trailering Harness
trailering harness
Trailering Hitch
trailering hitch

Warranty

Select Style

Bumper to Bumper Months/Miles
36/36,000
Major Components Months/Miles
60/100,000
Corrosion Perforation Months/Miles
72/100,000
Roadside Assistance Months/Miles
60/100,000

Safety Ratings

Below is the 2008 GMC Sierra 2500HD safety rating information and crash results as reported by the National Highway Traffic Safety Administration (NHTSA). The ratings are based on a star system and can vary by style.

Style
Frontal Rating

NHTSA rates vehicles on a scale of 1 to 5 stars.

Frontal Rating:

5% or less chance of injury

6% to 10% or less chance of injury

11% to 20% or less chance of injury

21% to 25% or less chance of injury

26% or greater chance of injury

Side Rating

NHTSA rates vehicles on a scale of 1 to 5 stars.

Side Rating:

10% or less chance of injury

11% to 20% or less chance of injury

21% to 35% or less chance of injury

36% to 45% or less chance of injury

46% or greater chance of injury

Safety data is not currently available from the National Highway Traffic Safety Administration. For a list of safety-related features, please check the Safety section.

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