Reliability & cost of ownership
Big Dog Mastiff Reliability & Common Problems
How reliable is the Big Dog Mastiff? 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.
Big Dog Mastiff problems by model year
1 recall entry and 9 owner complaints on file across 5 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2008 Mastiff | 0 | 1 | No NCAP test | Reliability forecast → |
| 2007 Mastiff | 0 | 2 | No NCAP test | Reliability forecast → |
| 2006 Mastiff | 0 | 1 | No NCAP test | Reliability forecast → |
| 2005 Mastiff | 0 | 1 | No NCAP test | Reliability forecast → |
| 2004 Mastiff | 1 | 4 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Big Dog Mastiff, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system5 complaints
- tires3 complaints
- exterior lighting2 complaints
- power train1 complaint