AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2020 Mack GRANITE (GR)
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $15,000–$25,000
The 2020 Mack GRANITE has several recalls affecting safety-critical components such as seat belts, brakes, and steering, combined with multiple issues related to stability and lighting. These factors suggest a below-average reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| seat belt anchorage | 10,000-50,000 miles | $1,000–$1,500 | common |
| brake ECU | 20,000-60,000 miles | $800–$1,200 | common |
| tires | 5,000-25,000 miles | $500–$1,200 | occasional |
| turn signals | 5,000-30,000 miles | $200–$400 | occasional |
| electronic stability control | 15,000-70,000 miles | $1,200–$1,800 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil changes every 15,000 miles
- Brake inspections every 20,000 miles
- Tire rotation every 10,000 miles
- Air filter replacement every 30,000 miles
- Coolant system check yearly
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unresponsive brake system
- Loose steering linkage
- Improper seat belt fit
- Electronic stability failure
- Detached rearview mirror
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.