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#BS-2015-PET579-D9152015 Peterbilt 579
Based on reports from 6 owners and 9 recalls for this exact model.
Preliminary Verdict
Proceed with Caution
Based on 6 complaints, 0 crashes, 2 fires, and 9 recalls.
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Mechanic Inspection Checklist
1 owners reported suspension issues — failures commonly reported around 273K miles.
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Suspension (1 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2015 Peterbilt 579: Known Issues & Problem Areas
Suspension Issues
Suspension complaints account for 17% of all reports filed for the 2015 Peterbilt 579, with 1 owners filing complaints with NHTSA. The median mileage at time of complaint is 273,465 miles, suggesting issues tend to surface around the 273K-mile mark.
Engine Issues
Engine complaints account for 17% of all reports filed for the 2015 Peterbilt 579, with 1 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Drivetrain Issues
Drivetrain complaints account for 17% of all reports filed for the 2015 Peterbilt 579, with 1 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.
Fuel System, Gasoline:delivery:fuel Pump Issues
Fuel System, Gasoline:delivery:fuel Pump complaints account for 17% of all reports filed for the 2015 Peterbilt 579, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system, gasoline:delivery:fuel pump-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2015 Peterbilt 579. Recent trend: decreasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (9 recalls)
AIR BAGS
PACCAR Incorporated (PACCAR) is recalling certain model year 2010-2015 Peterbilt 579, 388, 384, 367, 365, 348, and 337 trucks manufactured October 30, 2009, through May 21, 2014. In the affected vehicles, if power is interrupted to the seat electronic control unit (ECU), such as when the fuse for that circuit blows, the side air bag would be disabled but there will not be a warning lamp indicator to notify the operator of the malfunction.
PARKING BRAKE:CONVENTIONAL:AIR
PACCAR Incorporated (PACCAR) is recalling certain model year 2015 Peterbilt 367, 389, 567, 579, and 587 trucks manufactured from May 23, 2014, to February 13, 2015, and 2015 Kenworth T270, T370, T440, T470, T660, T680, T800, T880, and W900 trucks manufactured from May 23, 2014, to February 13, 2015, equipped with certain air brake actuators. The affected vehicles may experience brake drag due to an improperly seated diaphragm in the brake chamber.
EQUIPMENT:OTHER:LABELS
PACCAR Incorporated (PACCAR) is recalling certain model year 2006-2016 Peterbilt 587, 579, 567, 389, 388, 387, 385, 382, 379, 378, 367, 365 and 357 trucks manufactured July 25, 2005, to February 26, 2016. The affected vehicles may be equipped with Tire and Rim Certification Labels that list a tire pressure below the actual correct amount. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard No. 120, "Tire selection and rims and motor home/recreation vehicle trailer load carrying capacity information for motor vehicles with a GVWR of more than 4,536 kilograms (10,000 pounds)."
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
PACCAR Incorporated (PACCAR) is recalling certain model year 2014-2016 Kenworth T660, T680, T880 trucks manufactured February 18, 2013, to April 10, 2015, and 2011-2016 Peterbilt 386, 389, 567, 579, and 587 trucks manufactured December 13, 2010, to April 20, 2015. The affected trucks, equipped with PACCAR MX-13 engines and Delco-Remy 40SI alternators, have alternator charge cables that may chafe against a formed metal freon discharge line.
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
PACCAR Incorporated (PACCAR) is recalling certain model year 2012-2016 Peterbilt 365, 367, 384, 386, 388, 389, 567, 579, and 587 trucks manufactured January 13, 2011, to April 20, 2015. The affected trucks, equipped with extended-body Leece Neville alternators, have alternator charge cables that may chafe against a formed metal freon discharge line.
+ 4 more recalls in the full report
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 6 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 9 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Peterbilt 579 Model Years
View all Peterbilt 579 years →2015 Peterbilt 579: Frequently Asked Questions
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