Reliability & cost of ownership
Mack Gu Reliability & Common Problems
How reliable is the Mack Gu? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Mack Gu problems by model year
11 recall entries and 6 owner complaints on file across 6 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2018 Gu | 0 | 1 | No NCAP test | Reliability forecast → |
| 2015 Gu | 0 | 1 | No NCAP test | Reliability forecast → |
| 2014 Gu | 0 | 1 | No NCAP test | Reliability forecast → |
| 2013 Gu | 0 | 1 | No NCAP test | Reliability forecast → |
| 2010 Gu | 4 | 1 | No NCAP test | Reliability forecast → |
| 2009 Gu | 7 | 1 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Mack Gu, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- engine2 complaints
- power train2 complaints
- vehicle speed control1 complaint
- structure1 complaint
- electrical system1 complaint
- exterior lighting1 complaint
- visibility/wiper1 complaint