Peterbilt 579 vs KIA Niro EV
Both cars' complete complaint records, side by side.
Read the totals carefully. NHTSA publishes no sales figures, so the car that sold more collects more complaints regardless of quality. The rows worth weighing are the proportions — the share of complaints that involved harm, and which part dominates.
| Measure | Peterbilt 579 | KIA Niro EV |
|---|---|---|
| Complaints on file | 58 | 144 |
| Model years covered | 2013–2026 | 2019–2025 |
| Worst model year | — | 2022 |
| Best model year | — | 2020 |
| Crashes reported | 1 | 14 |
| Fires reported | 7 | 0 |
| Injuries reported | 1 | 6 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Electrical System | Electrical System |
| Share of complaints involving harm | 15.5% | 13.9% |
Peterbilt 579 by year
What breaks
Electrical System
12
20.7%
Transmission & Drivetrain
11
19.0%
Brakes
8
13.8%
Steering
5
8.6%
Tires
5
8.6%
Suspension
4
6.9%
Engine & Cooling
3
5.2%
Fuel & Propulsion
2
3.4%
KIA Niro EV by year
What breaks
Electrical System
36
25.0%
Other & Unspecified
29
20.1%
Transmission & Drivetrain
19
13.2%
Brakes
11
7.6%
Driver Assist & Collision Avoidance
11
7.6%
Acceleration & Cruise Control
8
5.6%
Fuel & Propulsion
8
5.6%
Engine & Cooling
7
4.9%