FaultScore

KIA SPECTRA5 vs Mazda RX7

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 SPECTRA5 Mazda RX7
Complaints on file 58 144
Model years covered 2006–2008 1982–1989
Worst model year 2008
Best model year 2007
Crashes reported 7 4
Fires reported 2 52
Injuries reported 3 7
Deaths reported 0 2
Most complained-about part Airbags Fuel & Propulsion
Share of complaints involving harm 20.7% 45.1%

KIA SPECTRA5 by year

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

What breaks

Airbags 28 48.3%
Fuel & Propulsion 5 8.6%
Electrical System 4 6.9%
Seats 4 6.9%
Other & Unspecified 4 6.9%
Acceleration & Cruise Control 3 5.2%
Steering 2 3.4%
Brakes 2 3.4%

Mazda RX7 by year

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

What breaks

Seat Belts 23 16.0%
Engine & Cooling 20 13.9%
Electrical System 17 11.8%
Windows, Mirrors & Wipers 8 5.6%
Brakes 4 2.8%
Equipment & Accessories 3 2.1%
Steering 2 1.4%