Aston martin Db3 vs Aston martin Db7: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Aston martin Db3
91%
MOT pass rate · 38 vehicles
More reliable
Aston martin Db7
85%
MOT pass rate · 3,245 vehicles
Verdict: On MOT pass rate, the Aston martin Db3 is the more reliable of the two — 91% pass first time versus 85%. It's one signal among several; check the full breakdown below.
Head to head
| Measure | Aston martin Db3 | Aston martin Db7 |
|---|---|---|
| MOT pass rate | 91% ✓ | 85% |
| MOT failure rate | 9% ✓ | 15% |
| Faults & advisories per test | 0.5 ✓ | 1.1 |
| Dangerous-fault share | 0% ✓ | 1% |
| Average mileage | 46,002 mi | 55,956 mi |
| Sample size (vehicles) | 38 | 3,245 |
Most common faults
Aston martin Db3
- Oil leak, but not excessive (8.4.1 (a) (i))
- Parking brake: efficiency below requirements (3.7.C.1b)
- Offside Rear Shock absorber has a light misting of oil (2.7.3)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Offside Front Headlamp aim beam image kick up to the offside (1.8)
- Offside Front Steering rack gaiter split (2.2.D.2d)
Aston martin Db7
- Oil leak, but not excessive (8.4.1 (a) (i))
- 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)
- Oil leak
- 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)
Reliability FAQ
On MOT pass rate, the Aston martin Db3 is the more reliable of the two — 91% pass first time versus 85%. It's one signal among several; check the full breakdown below.
Full Aston martin Db3 report Full Aston martin Db7 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.