Every Mack GU model year on file, 2015 to 2018. Pick a year for its recalls, investigations, service bulletins and the full text of owner complaints.
Owner complaints filed with NHTSA, all years filed, by model year.
Owner complaints across all model years, by component.
Peer index compares complaints with the median vehicle of the same model year and body class (100 is the median). It corrects for age, not for how many were sold.
| Year | Body | Complaints | Severity index | Peer index | Recalls | Investigations | Bulletins |
|---|---|---|---|---|---|---|---|
| 2018 | Heavy truck | 1 | 0.0 | 33 | 0 | 0 | 243 |
| 2017 | Not decoded | 0 | None | None | 0 | 0 | 243 |
| 2016 | Not decoded | 0 | None | None | 0 | 1 | 269 |
| 2015 | Truck | 1 | 0.0 | 100 | 0 | 0 | 237 |
No recall campaign lists this model.