SLE
Gas · eng_unknown|fp_3b28fd160190c6e5 · 4WD / Gas · eng_unknown|fp_8831172c213661f8 · RWD
Explore topics
Change vehicle
VEHICLE GUIDE
2008 GMC Sierra 2500hd
A 6-seat PICKUP with gas powertrain and 4WD and RWD availability.
2008 GMC Sierra 2500hd is a 6-seat PICKUP with gas powertrain. 2008 GMC Sierra 2500hd offers 4WD and RWD; the exact drivetrain can change efficiency or capability, so the version matters.
2TRIMS
GasPOWERTRAINS
6SEATS
13,000 lbHIGHEST TOWING IN THIS GUIDE
A verified vehicle view is not available yet.
2TRIMS
GasPOWERTRAINS
6SEATS
13,000 lbHIGHEST TOWING IN THIS GUIDE
AUTOUNITE VEHICLE GUIDE
Know the 2008 GMC Sierra 2500hd. Know what matters before you shop.
2008 GMC Sierra 2500hd is a 6-seat PICKUP with gas powertrain.
2008 GMC Sierra 2500hd offers 4WD and RWD; the exact drivetrain can change efficiency or capability, so the version matters.
60-SECOND AUTOUNITE BRIEF
The 2008 GMC Sierra 2500hd, explained before the spec sheet.
AutoUnite starts with the choices that can change the decision, then keeps the deeper facts ready when you want to verify them.
Ask AutoUnite about this vehicleWhat it is
2008 GMC Sierra 2500hd is a 6-seat PICKUP with gas powertrain.
The lineup decision
2008 GMC Sierra 2500hd has 2 named trims in the lineup shown here: SLE and SLT.
Power and efficiency
Powertrain choices shown for 2008 GMC Sierra 2500hd include Gas.
Living with it
The feature census is not deep enough yet for a useful equipment summary.
POWER & EFFICIENCY
Understand how the vehicle changes underneath.
Powertrain choices shown for 2008 GMC Sierra 2500hd include Gas.
Gas4WD / RWDUp to 17 combined mpg
SPACE & EVERYDAY LIFE
See what the numbers mean in daily use.
The feature census is not deep enough yet for a useful equipment summary.
6 seats
CHOOSE YOUR VERSION
Find the version that changes the decision.
2008 GMC Sierra 2500hd has 2 named trims in the lineup shown here: SLE and SLT.
2 documented trims
Vehicle factskept tied to the applicable model year and versionCurrent marketkept separate from permanent vehicle knowledgeAsk AutoUniteexplains supported facts in shopper language
FULL REFERENCEOpen the complete vehicle reference
Start with what matters
2008 GMC Sierra 2500hd is a 6-seat PICKUP with gas powertrain.
2008 GMC Sierra 2500hd offers 4WD and RWD; the exact drivetrain can change efficiency or capability, so the version matters.
How the lineup breaks down
2008 GMC Sierra 2500hd has 2 named trims in the lineup shown here: SLE and SLT.
The trim name matters because equipment, powertrain choices, capability and pricing can change as you move through the range.
SLT
Gas · eng_unknown|fp_a42489cba88d9f83 · 4WD
Powertrains, efficiency and capability
Powertrain choices shown for 2008 GMC Sierra 2500hd include Gas.
Depending on the version, drivetrain choices shown include 4WD and RWD.
up to 13,000 lb of towing in the highest documented version and up to 3,031 lb of payload in the highest documented version. Those are ceiling figures for the versions that carry the data, not promises for every trim.
eng_unknown|fp_3b28fd160190c6e5 / eng_unknown|fp_8831172c213661f8
- Drive
- 4WD / RWD
- Efficiency
- Up to 17 combined mpg
- Towing
- Up to 13,000 lb
Interior, technology and everyday use
The feature census is not deep enough yet for a useful equipment summary. Missing equipment data is not treated as proof that the vehicle does or does not have a feature.
Safety evidence in context
The Guide does not have enough applicable reliability evidence to support a pattern. That does not mean the model is problem-free; it means the available information is not strong enough for that conclusion.
Ask AutoUnite which safety facts apply to the version you're considering.
What ownership looks like
Original manufacturer coverage shown here includes Basic: 3 years / 36,000 miles, Powertrain: 5 years / 100,000 miles, and Roadside assistance: 5 years / 100,000 miles. On a used or nearly new vehicle, remaining coverage depends on in-service date, mileage and eligibility.
What changed for this model year
The year-over-year record is not complete enough to say exactly what changed. A missing change record is not treated as proof that the vehicle carried over unchanged.
Choose the next step that answers your remaining question
Use 360 when you want to see the vehicle, Compare when you are choosing between versions, Cars Near Me when you are ready for real listings, and Calculator when the decision becomes financial.
RELIABILITY
Look at the evidence. Keep it in context.
Recalls, complaints and service communications tell different stories. None is a failure rate on its own.
There isn’t enough evidence here to assess reliability.
No records in this guide does not mean a vehicle is problem-free.
Check recalls for the exact VIN and review the vehicle’s service history. Model-year evidence does not establish an individual vehicle’s condition.
Answers stay tied to this vehicle and the version you are viewing. Equipment can vary.