Bmw 118 vs Bmw 633: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bmw 118
81%
MOT pass rate · 195,122 vehicles
More reliable
Bmw 633
74%
MOT pass rate · 74 vehicles
Verdict: On MOT pass rate, the Bmw 118 is the more reliable of the two — 81% pass first time versus 74%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Bmw 118 | Bmw 633 |
|---|---|---|
| MOT pass rate | 81% ✓ | 74% |
| MOT failure rate | 19% ✓ | 26% |
| Faults & advisories per test | 1.5 ✓ | 2.0 |
| Dangerous-fault share | 4% | 0% ✓ |
| Average mileage | 85,676 mi | 89,339 mi |
| Sample size (vehicles) | 195,122 | 74 |
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 633
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
- Service brake: efficiency below requirements (3.7.B.7)
- Service brake: service brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
- 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)
Reliability FAQ
On MOT pass rate, the Bmw 118 is the more reliable of the two — 81% pass first time versus 74%. It's one signal among several; check the full breakdown below.
Full Bmw 118 report Full Bmw 633 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.