2026 Peterbilt 579
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 |
|---|---|
| 2006 | 0 |
| 2007 | 0 |
| 2008 | 0 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 0 |
| 2026 | 1 |
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: service brakes.
INJURYShow complaint excerpts
The contact was the operator of a 2026 Peterbilt 579 for an employer.
NHTSA ODI report, 20250822
SAFETY TIMELINE
PACCAR Incorporated (PACCAR) is recalling certain 2024-2026 Kenworth T480, T680, T880, W990, Peterbilt 520, 536, 537, 548, 567, 579, 589, 2025 Kenworth T180, Peterbilt 535, 2025-2026 Kenworth T280, T380 and L770 vehicles.
Remedy: Dealers will update the VCU software, free of charge. Owner letters were mailed August 19, 2025. Owners may contact Kenworth's customer service at 1-425-828-5888 and Peterbilt's customer service at 1-940-591-4220.
Campaign 25V436000 — check if this car was fixed
BUY-SMART CHECKLIST
2026 Peterbilt 579 — pre-purchase inspection
- Test/inspect for service brakes issues (1 reports on file for this year).
- Verify recall 25V436000 (exterior lighting) has been completed.
FAQ
Is the 2026 Peterbilt 579 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 2026 Peterbilt 579?
The most-reported component is service brakes, accounting for 100% of complaints on file.
How many recalls does the 2026 Peterbilt 579 have?
1 recall on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.