Isuzu Tf vs Isuzu Trucks Grafter: MOT reliability compared
Updated 05 September 2026.
23.0%
Isuzu Trucks Grafter MOT failure rate, 5.9 pts lower than Isuzu Tf
Isuzu Trucks Grafter is the more reliable MOT performer: 23.0% of Isuzu Trucks Grafter MOTs fail versus 28.9% for Isuzu Tf, a 5.9 point gap.
| Metric | Isuzu Tf | Isuzu Trucks Grafter |
|---|---|---|
| MOT failure rate | 28.9% | 23.0% |
| Tests analysed | 51,877 | 37,787 |
| Most common failure | Lamps & electrical (41.9%) | Lamps & electrical (45.7%) |
Questions and answers
Which is more reliable, Isuzu Tf or Isuzu Trucks Grafter?
Isuzu Trucks Grafter is the more reliable MOT performer: 23.0% of Isuzu Trucks Grafter MOTs fail versus 28.9% for Isuzu Tf, a 5.9 point gap.
What is the MOT failure rate of the Isuzu Tf?
28.9% of Isuzu Tf MOT tests result in a failure, from 51,877 tests.
What is the MOT failure rate of the Isuzu Trucks Grafter?
23.0% of Isuzu Trucks Grafter MOT tests result in a failure, from 37,787 tests.