Polaris Slingshot vs Alfa Romeo Stelvio
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 | Polaris Slingshot | Alfa Romeo Stelvio |
|---|---|---|
| Complaints on file | 138 | 340 |
| Model years covered | 2015–2023 | 2018–2025 |
| Worst model year | 2015 | 2018 |
| Best model year | 2017 | 2022 |
| Crashes reported | 17 | 11 |
| Fires reported | 4 | 7 |
| Injuries reported | 16 | 3 |
| Deaths reported | 3 | 0 |
| Most complained-about part | Transmission & Drivetrain | Fuel & Propulsion |
| Share of complaints involving harm | 29% | 6.2% |
Polaris Slingshot by year
What breaks
Transmission & Drivetrain
19
13.8%
Brakes
15
10.9%
Electrical System
14
10.1%
Engine & Cooling
11
8.0%
Steering
11
8.0%
Suspension
11
8.0%
Acceleration & Cruise Control
10
7.2%
Fuel & Propulsion
9
6.5%
Alfa Romeo Stelvio by year
What breaks
Fuel & Propulsion
82
24.1%
Engine & Cooling
67
19.7%
Electrical System
61
17.9%
Other & Unspecified
27
7.9%
Transmission & Drivetrain
17
5.0%
Brakes
16
4.7%
Acceleration & Cruise Control
11
3.2%
Driver Assist & Collision Avoidance
11
3.2%