Mazda 6 vs Mazda Billabongo: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Mazda 6
75%
MOT pass rate · 159,403 vehicles
Mazda Billabongo
65%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Mazda 6 (75%) and Mazda Billabongo (65%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Mazda 6 | Mazda Billabongo |
|---|---|---|
| MOT pass rate | 75% ✓ | 65% |
| MOT failure rate | 25% ✓ | 35% |
| Faults & advisories per test | 1.9 ✓ | 3.4 |
| Dangerous-fault share | 2% | 1% ✓ |
| Average mileage | 113,866 mi | 115,931 mi |
| Sample size (vehicles) | 159,403 | 1 |
Most common faults
Mazda 6
- 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)
- Rear Brake pad(s) wearing thin (3.5.1g)
- Offside Rear Tyre worn close to the legal limit (4.1.E.1)
- Under-trays fitted obscuring some underside components
Mazda Billabongo
- O.S.FRONT ANTI ROLL BAR LINK JOINT COVER SPLIT
- Anti-roll bar rubber bush deteriorated but not resulting in excessive movement (2.4.G.2)
- Front Brake pad(s) wearing thin (3.5.1g)
- surface corrosion inner arches/sills
- some corrosion to underside and outer sill areas
- Nearside Front Anti-roll bar ball joint dust cover damaged, but preventing the ingress of dirt (2.4.G.2)
Reliability FAQ
On MOT pass rate the Mazda 6 (75%) and Mazda Billabongo (65%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Mazda 6 report Full Mazda Billabongo 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.