Peugeot 307 vs Peugeot Ion: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Peugeot 307
67%
MOT pass rate · 320,297 vehicles
Peugeot Ion
85%
MOT pass rate · 476 vehicles
More reliable
Verdict: On MOT pass rate, the Peugeot Ion is the more reliable of the two — 85% pass first time versus 67%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Peugeot 307 | Peugeot Ion |
|---|---|---|
| MOT pass rate | 67% | 85% ✓ |
| MOT failure rate | 33% | 15% ✓ |
| Faults & advisories per test | 2.2 | 1.7 ✓ |
| Dangerous-fault share | 1% ✓ | 3% |
| Average mileage | 117,719 mi | 43,417 mi |
| Sample size (vehicles) | 320,297 | 476 |
Most common faults
Peugeot 307
- Nearside Front Tyre worn close to the legal limit (4.1.E.1)
- Offside Front Tyre worn close to the legal limit (4.1.E.1)
- Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Front Brake pad(s) wearing thin (3.5.1g)
- Oil leak
Peugeot Ion
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Front Sub-frame corroded but not seriously weakened (5.3.3 (b) (i))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Brake pipe corroded, covered in grease or other material (1.1.11 (c))
Reliability FAQ
On MOT pass rate, the Peugeot Ion is the more reliable of the two — 85% pass first time versus 67%. It's one signal among several; check the full breakdown below.
Full Peugeot 307 report Full Peugeot Ion report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.