Bmw 118 vs Bmw Isetta: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bmw 118
81%
MOT pass rate · 195,122 vehicles
Bmw Isetta
87%
MOT pass rate · 199 vehicles
More reliable
Verdict: On MOT pass rate, the Bmw Isetta is the more reliable of the two — 87% pass first time versus 81%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Bmw 118 | Bmw Isetta |
|---|---|---|
| MOT pass rate | 81% | 87% ✓ |
| MOT failure rate | 19% | 13% ✓ |
| Faults & advisories per test | 1.5 | 0.7 ✓ |
| Dangerous-fault share | 4% | 1% ✓ |
| Average mileage | 85,676 mi | 34,718 mi |
| Sample size (vehicles) | 195,122 | 199 |
Most common faults
Bmw 118
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- 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))
- 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)
Bmw Isetta
- Nearside Front wheel bearing has slight play (2.5.A.3c)
- Nearside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Offside Front wheel bearing has slight play (2.5.A.3c)
- Centre Rear wheel bearing has slight play (2.6.2)
- Offside Front Axle king pin has slight play in pin and/or bush (2.5.A.3a)
- Steering system has slight free play detected at steering wheel (2.2.A.1a)
Reliability FAQ
On MOT pass rate, the Bmw Isetta is the more reliable of the two — 87% pass first time versus 81%. It's one signal among several; check the full breakdown below.
Full Bmw 118 report Full Bmw Isetta 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.