Bmw 3 series vs Bmw 320d sport plus edition: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bmw 3 series
75%
MOT pass rate · 996,044 vehicles
Bmw 320d sport plus edition
84%
MOT pass rate · 182 vehicles
More reliable
Verdict: On MOT pass rate, the Bmw 320d sport plus edition is the more reliable of the two — 84% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Bmw 3 series | Bmw 320d sport plus edition |
|---|---|---|
| MOT pass rate | 75% | 84% ✓ |
| MOT failure rate | 25% | 16% ✓ |
| Faults & advisories per test | 2.0 | 0.0 ✓ |
| Dangerous-fault share | 2% | — ✓ |
| Average mileage | 128,558 mi | 133,232 mi |
| Sample size (vehicles) | 996,044 | 182 |
Most common faults
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))
Bmw 320d sport plus edition
No fault breakdown available.
Reliability FAQ
On MOT pass rate, the Bmw 320d sport plus edition is the more reliable of the two — 84% pass first time versus 75%. It's one signal among several; check the full breakdown below.
Full Bmw 3 series report Full Bmw 320d sport plus edition 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.