Land Rover Discovery vs Land Rover Defender: MOT reliability compared
Updated 05 September 2026.
25.0%
Land Rover Discovery MOT failure rate, 2.2 pts lower than Land Rover Defender
Land Rover Discovery is the more reliable MOT performer: 25.0% of Land Rover Discovery MOTs fail versus 27.2% for Land Rover Defender, a 2.2 point gap.
| Metric | Land Rover Discovery | Land Rover Defender |
|---|---|---|
| MOT failure rate | 25.0% | 27.2% |
| Tests analysed | 5,347,899 | 3,073,987 |
| Most common failure | Lamps & electrical (33.5%) | Lamps & electrical (42.5%) |
Questions and answers
Which is more reliable, Land Rover Discovery or Land Rover Defender?
Land Rover Discovery is the more reliable MOT performer: 25.0% of Land Rover Discovery MOTs fail versus 27.2% for Land Rover Defender, a 2.2 point gap.
What is the MOT failure rate of the Land Rover Discovery?
25.0% of Land Rover Discovery MOT tests result in a failure, from 5,347,899 tests.
What is the MOT failure rate of the Land Rover Defender?
27.2% of Land Rover Defender MOT tests result in a failure, from 3,073,987 tests.