Reliability & cost of ownership
Peterbilt 379 Reliability & Common Problems
How reliable is the Peterbilt 379? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Peterbilt 379 problems by model year
50 recall entries and 57 owner complaints on file across 12 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2007 379 | 9 | 6 | No NCAP test | Reliability forecast → |
| 2006 379 | 7 | 2 | No NCAP test | Reliability forecast → |
| 2005 379 | 6 | 7 | No NCAP test | Reliability forecast → |
| 2004 379 | 4 | 1 | No NCAP test | Reliability forecast → |
| 2003 379 | 5 | 3 | No NCAP test | Full reliability report → |
| 2001 379 | 4 | 6 | No NCAP test | Reliability forecast → |
| 2000 379 | 6 | 12 | No NCAP test | Reliability forecast → |
| 1999 379 | 6 | 5 | No NCAP test | Full reliability report → |
| 1998 379 | 2 | 6 | No NCAP test | Reliability forecast → |
| 1997 379 | 0 | 4 | No NCAP test | Reliability forecast → |
| 1996 379 | 1 | 2 | No NCAP test | Full reliability report → |
| 1995 379 | 0 | 3 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Peterbilt 379, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- engine and engine cooling10 complaints
- power train8 complaints
- fuel system7 complaints
- suspension7 complaints
- electrical system6 complaints
- tires5 complaints
- structure5 complaints
- diesel5 complaints