FaultScore

KIA Niro EV vs Jeep Grand Wagoneer

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 KIA Niro EV Jeep Grand Wagoneer
Complaints on file 143 352
Model years covered 2019–2025 1984–2026
Worst model year 2022 2022
Best model year 2020 1999
Crashes reported 14 19
Fires reported 0 6
Injuries reported 6 6
Deaths reported 0 0
Most complained-about part Electrical System Electrical System
Share of complaints involving harm 14% 8.8%

KIA Niro EV by year

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Transmission & Drivetrain 19 13.3%
Brakes 11 7.7%
Driver Assist & Collision Avoidance 11 7.7%
Acceleration & Cruise Control 8 5.6%
Fuel & Propulsion 8 5.6%
Engine & Cooling 7 4.9%

Jeep Grand Wagoneer by year

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks

Engine & Cooling 50 14.2%
Brakes 32 9.1%
Steering 23 6.5%
Other & Unspecified 22 6.3%
Transmission & Drivetrain 21 6.0%
Seats 15 4.3%