Chrysler-Jeep Grand Cherokee vs Chrysler-Jeep 300: MOT reliability compared
Updated 05 September 2026.
28.2%
Chrysler-Jeep Grand Cherokee MOT failure rate, 0.4 pts lower than Chrysler-Jeep 300
Chrysler-Jeep Grand Cherokee is the more reliable MOT performer: 28.2% of Chrysler-Jeep Grand Cherokee MOTs fail versus 28.6% for Chrysler-Jeep 300, a 0.4 point gap.
| Metric | Chrysler-Jeep Grand Cherokee | Chrysler-Jeep 300 |
|---|---|---|
| MOT failure rate | 28.2% | 28.6% |
| Tests analysed | 131,682 | 115,632 |
| Most common failure | Lamps & electrical (36.9%) | Brakes (51.9%) |
Questions and answers
Which is more reliable, Chrysler-Jeep Grand Cherokee or Chrysler-Jeep 300?
Chrysler-Jeep Grand Cherokee is the more reliable MOT performer: 28.2% of Chrysler-Jeep Grand Cherokee MOTs fail versus 28.6% for Chrysler-Jeep 300, a 0.4 point gap.
What is the MOT failure rate of the Chrysler-Jeep Grand Cherokee?
28.2% of Chrysler-Jeep Grand Cherokee MOT tests result in a failure, from 131,682 tests.
What is the MOT failure rate of the Chrysler-Jeep 300?
28.6% of Chrysler-Jeep 300 MOT tests result in a failure, from 115,632 tests.