1977 GMC Suburban Statistics from North America
Warning, these statistics are based on a biased sample, so should be treated with caution
| Number of reviews | 1 |
| Would buy another GMC? | 100% |
| Would not buy another GMC? | 0% |
| Average Performance marks | 8.0 |
| Average Reliability marks | 10.0 |
| Average Comfort marks | 9.0 |
| Average Dealer Service marks | 6.0 |
| Average Running Costs (higher is cheaper) | 5.0 |