1991 Peterbilt 379
Only 1 complaint on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 1 complaint on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1987 | 0 |
| 1988 | 0 |
| 1991 | 1 |
| 1992 | 1 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 4 |
| 1998 | 6 |
| 1999 | 5 |
| 2000 | 12 |
| 2001 | 6 |
| 2002 | 0 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 7 |
| 2006 | 2 |
| 2007 | 6 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 0 |
| 2014 | 0 |
| 2015 | 0 |
| 2016 | 0 |
KNOWN PROBLEM AREAS
Only 1 complaint on file for this model year -- too few to rank by share. Raw counts only, below.
1 of 1 total report mentions: visibility.
Show complaint excerpts
HEATER DEFROSTER, FAILS TO CLEAR WINDOWS, IN ALL TYPES OF WEATHER CONDITIONS. TT
NHTSA ODI report, 19951219
SAFETY TIMELINE
No recalls on file for this model year.
BUY-SMART CHECKLIST
1991 Peterbilt 379 — pre-purchase inspection
- Test/inspect for visibility issues (1 reports on file for this year).
FAQ
Is the 1991 Peterbilt 379 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 1991 Peterbilt 379?
The most-reported component is visibility:defroster/defogger/hvac system, accounting for 100% of complaints on file.
How many recalls does the 1991 Peterbilt 379 have?
No recalls are on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.