Complaints by model year
Each bar is one model year. The most recent years are still collecting complaints.
NHTSA ODI complaints (public domain) · updated 23 Oct 2026
Year by year
| Model year | Complaints | Recalls |
|---|---|---|
| 1996 | 6 | 0 |
| 1995 | 8 | 0 |
| 1994 | 8 | 0 |
| 1993 | 5 | 1 |
| 1992 | 3 | 1 |
| 1991 | 4 | 1 |
| 1990 C2500 | 5 | 2 |
| 1989 C2500 | 6 | 2 |
| 1988 | 2 | 2 |
| 1987 | 1 | 0 |
A model year gets its own page when it has enough data for at least three sections
Most common problems
- Visibility6
- Service brakes, hydraulic6
- Seats6
- Seat belts6
- Engine and engine cooling6
- Fuel system, gasoline4
- Structure3
- Tires2
NHTSA ODI complaints, all model years
Fuel consumption by year
Official Canadian test results for 8 model years, best variant per year. Combined consumption ranges from 13.7–22.8 L/100 km.
| Year | Variant | City | Highway | Combined |
|---|---|---|---|---|
| 2003 | C2500 Sierra Bi-Fuel · Pickup truck: Standard · Regular gasoline | 24.6 | 20.6 | 22.8 |
| 2002 | C2500 Sierra Bi-Fuel · Pickup truck: Standard · Regular gasoline | 22.3 | 17.4 | 20.1 |
| 2000 | C2500 Sierra · Pickup truck: Standard · Regular gasoline | 17.9 | 14.1 | 16.2 |
| 1999 | C2500 Sierra · Pickup truck: Standard · Regular gasoline | 17.8 | 14.1 | 16.1 |
| 1998 | C2500 Sierra · Pickup truck: Standard · Regular gasoline | 17.1 | 12.3 | 15.0 |
| 1997 | C2500 Sierra · Pickup truck: Standard · Regular gasoline | 17.1 | 12.3 | 15.0 |
| 1996 | C2500 Sierra Turbo Diesel · Pickup truck: Standard · Diesel | 17.1 | 13.6 | 15.5 |
| 1995 | C2500 Sierra Diesel · Pickup truck: Standard · Diesel | 15.4 | 11.5 | 13.7 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
3 campaigns cover the C2500.
UNANTICIPATED HEAT IN THE TRANSMISSION CAN FORCE THE TRANSMISSION FLUID OUT OF THE VENT TUBE.
TRUCKS CAN CONTAIN INCORRECT INSTRUCTIONS ON HOW TO PROPERLY ADJUST REAR SEAT LAP-SHOULDER BELTS AS REQUIRED BY FMVSS 209.
REAR WHEEL ANTILOCK BRAKE (RWAL) FEATURE COULD BECOME DISABLED BY AN ELECTRICAL MALFUNCTION.
NHTSA recalls