Peterbilt 579 Reliability

53 NHTSA complaints (2013–2026). Complaint rate: 460.9 per 1,000 vehicles.

Severity Score
878.3
Complaints
53
Crash Rate
1.9%
Fire Rate
13.2%
Injuries
1
Fatalities

Which Years to Buy & Avoid

Years auto-clustered by complaint volume relative to this model's median.

Bottom line: The 2018 Peterbilt 579 had a notable spike in NHTSA complaints. Other years had typical complaint volumes. Most common issue across all years: ELECTRICAL SYSTEM.

Avoid These Years

2018
~12/yr complaints
2015
~6/yr complaints
2022
~6/yr complaints

Average

2014
~5/yr complaints
2016–2017
~4/yr complaints
2019–2020
~4/yr complaints
2023
~3/yr complaints

Better Years

No years stand out as significantly better.

Too New

2024
3 complaints so far

Need 3+ years on the road for reliable complaint data.

Looking at a specific Peterbilt 579?

A model's reputation is just the start.

Even within the “good” years, individual cars can have hidden accidents, title issues, or odometer rollbacks. Check the actual VIN before you buy — full history report for $4.99 (vs. Carfax $44.99).

Complaints by Model Year

NHTSA complaint count per model year

Peterbilt 579 — Complaints by Model YearPeak: 2018 (12)
03710142014201520162017201820192020202220232024

Common Peterbilt 579 Problems

Most reported component complaints to NHTSA

ComponentComplaintsCrash %
ELECTRICAL SYSTEM90.0%
POWER TRAIN90.0%
SERVICE BRAKES70.0%
STEERING50.0%
SUSPENSION40.0%
TIRES333.3%
ENGINE20.0%
TIRES:TREAD/BELT20.0%
UNKNOWN OR OTHER20.0%
VISIBILITY/WIPER20.0%

Year-by-Year Breakdown

NHTSA complaint count per model year — click any year for full problems & recalls breakdown.

YearGenerationComplaintsCrashesFiresDetails
201450View
2015AVOID602View
201640View
2017312View
2018AVOID1203View
201940View
202040View
2022AVOID60View
202330View
2024TOO NEW30View

See also: Peterbilt 579accident & safety statistics from our vehicle history database.

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Peterbilt 579 Years to Avoid (2013–2026) — Reliability, Problems & Best Years to Buy | VinItel