Peterbilt 379 problems
Owners have filed 76 complaints about the Peterbilt 379 with NHTSA across model years 1991 to 2007. More of them are about the engine & cooling than anything else.
Every Peterbilt 379 year, graded
The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.
| Year | Grade | Complaints | Crashes | Fires | Median miles | Most reported |
|---|---|---|---|---|---|---|
| 2007 | — | 7 | 1 | 2 | 300,000 | Engine & Cooling |
| 2006 | — | 2 | 0 | 0 | — | Windows, Mirrors & Wipers |
| 2005 | — | 7 | 0 | 3 | — | Engine & Cooling |
| 2004 | — | 1 | 0 | 0 | — | Engine & Cooling |
| 2003 | — | 3 | 0 | 0 | — | Engine & Cooling |
| 2001 | — | 9 | 0 | 0 | — | Suspension |
| 2000 | — | 18 | 0 | 1 | — | Steering |
| 1999 | — | 6 | 0 | 1 | — | Engine & Cooling |
| 1998 | — | 6 | 0 | 4 | — | Electrical System |
| 1997 | — | 9 | 1 | 0 | — | Transmission & Drivetrain |
| 1996 | — | 2 | 0 | 0 | — | Tires |
| 1995 | — | 3 | 0 | 1 | — | Electrical System |
| 1994 | — | 1 | 0 | 0 | — | Wheels |
| 1992 | — | 1 | 0 | 1 | — | Engine & Cooling |
| 1991 | — | 1 | 0 | 0 | — | Windows, Mirrors & Wipers |
What breaks on a Peterbilt 379
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Worst in 2007
Worst in 2000
Worst in 2001
Worst in 1997
Worst in 1998
Worst in 2000
Worst in 2000
Worst in 1996
Worst in 2000
Worst in 2000
Worst in 1997
Worst in 1991
Worst in 2001
Worst in 1997
Complaints filed over time
Every complaint about every Peterbilt 379, by the month it reached NHTSA.
Compare the Peterbilt 379
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.