2008 GMC Sierra 3500: common problems

Owners of the 2008 GMC Sierra 3500 filed 25 complaints with NHTSA, most often about air bags and fuel system. Details by component below, with sources.

Key figures

Owner complaints: 25

What fails most often

1 Air bags 68% of all complaints
2 Fuel system 8% of all complaints
3 Tires 8% of all complaints
4 Electrical system 4% of all complaints
5 Engine 4% of all complaints
6 Fuel/propulsion system 4% of all complaints
7 Powertrain 4% of all complaints
8 Service brakes 4% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Air bags: 17 complaints (68% of all).
Fuel system: 2 complaints (8% of all).
Tires: 2 complaints (8% of all).
Electrical system: 1 complaints (4% of all).
Engine: 1 complaints (4% of all).

Symptoms owners describe

How many of the 25 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

airbag warning light1 · 4%
door locks, latches, handles1 · 4%
loss of power / limp mode1 · 4%
rust, corrosion1 · 4%
smoke, burning smell, fire1 · 4%
stalls while driving1 · 4%
warning lights, check engine1 · 4%

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Air bags	17	0	0
Fuel system	2	0	0
Tires	2	0	0
Electrical system	1	0	0
Engine	1	0	0
Fuel/propulsion system	1	0	0
Powertrain	1	0	0
Service brakes	1	0	0
Structure	1	0	0
Other	1	0	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

Shut the truck off got out 5 minutes later passenger side airbag exploded again and it was smoking they are very loud thank God no one was injured or we were driving down the road and that happened that would have been terrible.
Air bags · 2026-07-18 · NHTSA complaint #11751263
The contact had experienced a failure with the airbag warning light illuminated. Vin tool confirms parts not available.
Air bags · 2020-02-07 · NHTSA complaint #11307784
Tl* takata recall. The contact owns a 2008 gmc sierra 3500. The contact received notification of nhtsa campaign number: 16v381000 (air bags). The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair.
Air bags · 2019-04-09 · NHTSA complaint #11195043
While driving in a one lane construction zone with no place to pull over, the vehicle lost power and would not go over 10 mph, requiring it to be towed to the nearest dealership. This durmax diesel engine had only 84,000 miles and had excellent service maintance. Cost to repair is 3860.00.
Engine · 2015-09-01 · NHTSA complaint #10760769
On a separate occasion the vehicle stalled and failed to restart. The vehicle was taken to an independent mechanic who replaced the fuel filter which had be replaced seven different times before. The remedy failed to repair the problem. The manufacturer was made aware of the failure.
Fuel system · 2012-08-27 · NHTSA complaint #10472558
2008 gmc sierra slt undercarriage is rusting away along with any components routed along undercarriage such as brake lines, fuel lines, ect. Vehicle has been kept in a garage its entire life. This condition is extremely unsafe and needs looked at by gmc and chevy.
Service brakes · 2011-09-05 · NHTSA complaint #10423785
Tl contact owns a 2008 gmc sierra k3500 (na). The contact stated that the front and rear tire pressures were different and when the vehicle was in four wheel drive it was difficult for the vehicle to maintain full traction; the failure almost caused the contact to lose control of the vehicle.
Tires · 2011-01-06 · NHTSA complaint #10374980
My 2008 gmc sierra 3500hd has a chatter when turning, gm is aware of the problem and has a bulletin for a repair, however the repair may or may not completely solve the issue it didn't on mine.
Tires · 2010-12-21 · NHTSA complaint #10372001

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20103
20112
20121
20151
201612
20173
20191
20201
20261

Comparison

By complaint count this model year ranks 7,448 of 36,656 model years in the NHTSA data (top 20% most complained about).

On average one model year of the Sierra 3500 has 19 complaints (31 years in the data). This year has 25, above average.

What to check before buying

Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
Fuel system. Fuel smell, leaks, rough running, fuel-system codes.
Tires. Tire age by DOT code, bulges, wear pattern.
Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.

Questions and answers

What are the most common problems with the 2008 GMC Sierra 3500?

Owner complaints to NHTSA most often mention: air bags, fuel system, tires. Total complaints: 25. The most frequent symptoms in complaint texts: airbag warning light (4%), door locks, latches, handles (4%), loss of power / limp mode (4%).

How many service bulletins (TSB) were issued for the 2008 GMC Sierra 3500?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2008 GMC Sierra 3500 from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2008 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.