FaultScore

Peterbilt 379 vs Chevrolet Chevrolet

Both cars' complete complaint records, side by side.

Read the totals carefully. NHTSA publishes no sales figures, so the car that sold more collects more complaints regardless of quality. The rows worth weighing are the proportions — the share of complaints that involved harm, and which part dominates.

Measure Peterbilt 379 Chevrolet Chevrolet
Complaints on file 76 189
Model years covered 1991–2007 1985–2003
Worst model year 2002
Best model year 1996
Crashes reported 2 15
Fires reported 13 1
Injuries reported 4 12
Deaths reported 2 5
Most complained-about part Engine & Cooling Brakes
Share of complaints involving harm 27.6% 17.5%

Peterbilt 379 by year

91 92 94 95 96 97 98 99 00 01 03 04 05 06 07
Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Engine & Cooling 12 15.8%
Transmission & Drivetrain 9 11.8%
Suspension 8 10.5%
Fuel & Propulsion 8 10.5%
Electrical System 6 7.9%
Steering 6 7.9%
Body & Structure 6 7.9%
Tires 5 6.6%

Chevrolet Chevrolet by year

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Brakes 37 19.6%
Transmission & Drivetrain 16 8.5%
Tires 15 7.9%
Engine & Cooling 13 6.9%
Steering 13 6.9%
Fuel & Propulsion 13 6.9%
Suspension 10 5.3%