Buick Rainier vs Ford Mustang Mach E
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 | Buick Rainier | Ford Mustang Mach E |
|---|---|---|
| Complaints on file | 525 | 1,252 |
| Model years covered | 2003–2007 | 2021–2026 |
| Worst model year | 2004 | 2021 |
| Best model year | 2007 | 2025 |
| Crashes reported | 33 | 80 |
| Fires reported | 24 | 2 |
| Injuries reported | 14 | 20 |
| Deaths reported | 0 | 0 |
| Most complained-about part | Electrical System | Electrical System |
| Share of complaints involving harm | 13.5% | 8.1% |
Buick Rainier by year
What breaks
Electrical System
147
28.0%
Fuel & Propulsion
93
17.7%
Lights
57
10.9%
Transmission & Drivetrain
28
5.3%
Suspension
25
4.8%
Engine & Cooling
22
4.2%
Airbags
22
4.2%
Windows, Mirrors & Wipers
22
4.2%
Ford Mustang Mach E by year
What breaks
Electrical System
315
25.2%
Driver Assist & Collision Avoidance
315
25.2%
Other & Unspecified
113
9.0%
Transmission & Drivetrain
109
8.7%
Brakes
85
6.8%
Fuel & Propulsion
85
6.8%
Acceleration & Cruise Control
74
5.9%
Engine & Cooling
39
3.1%