Reliability & cost of ownership
Peterbilt 379xl Reliability & Common Problems
How reliable is the Peterbilt 379xl? 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 379xl problems by model year
0 recall entries and 3 owner complaints on file across 1 model year, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2000 379xl | 0 | 3 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Peterbilt 379xl, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system1 complaint
- interior lighting1 complaint
- structure1 complaint
- latches/locks/linkages1 complaint