Bmw 218 cabriolet vs Bmw 3 series: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bmw 218 cabriolet
55%
MOT pass rate · 1 vehicles
Bmw 3 series
75%
MOT pass rate · 996,044 vehicles
Verdict: On MOT pass rate the Bmw 218 cabriolet (55%) and Bmw 3 series (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Bmw 218 cabriolet | Bmw 3 series |
|---|---|---|
| MOT pass rate | 55% | 75% ✓ |
| MOT failure rate | 45% | 25% ✓ |
| Faults & advisories per test | 0.9 ✓ | 2.0 |
| Dangerous-fault share | 50% | 2% ✓ |
| Average mileage | 62,656 mi | 128,558 mi |
| Sample size (vehicles) | 1 | 996,044 |
Most common faults
Bmw 218 cabriolet
- Offside Front Track rod end ball joint dust cover insecure so that it no longer prevents the ingress of dirt (2.1.3 (g) (ii))
- Nearside Rear Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii))
- Front Registration plate does not conform to the specified requirements incorrectly spaced (0.1 (d))
- Rear Registration plate does not conform to the specified requirements incorrectly spaced (0.1 (d))
- Offside Front Obligatory mirror slightly damaged (3.3 (b) (i))
- Offside Front Inner Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Bmw 3 series
- 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)
- 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)
- Under-trays fitted obscuring some underside components
- Oil leak, but not excessive (8.4.1 (a) (i))
Reliability FAQ
On MOT pass rate the Bmw 218 cabriolet (55%) and Bmw 3 series (75%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Bmw 218 cabriolet report Full Bmw 3 series 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.