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Aston martin Db9 vs Aston martin Vantage v8 coupe: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Aston martin Db9
89%
MOT pass rate · 5,584 vehicles
Aston martin Vantage v8 coupe
92%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Aston martin Db9 (89%) and Aston martin Vantage v8 coupe (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Aston martin Db9 Aston martin Vantage v8 coupe
MOT pass rate 89% 92% ✓
MOT failure rate 11% 8% ✓
Faults & advisories per test 0.7 0.4 ✓
Dangerous-fault share 1% 0% ✓
Average mileage 42,014 mi 57,653 mi
Sample size (vehicles) 5,584 1

Most common faults

Aston martin Db9

  1. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Under-trays fitted obscuring some underside components
  4. Rear Brake pad(s) wearing thin (3.5.1g)
  5. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Aston martin Vantage v8 coupe

  1. Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  2. Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  3. Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7)
  4. headlamp aims low
  5. rear brake compensator body corroded
  6. some slight corrosion on offside front chassis rail next to brake servo

Reliability FAQ

On MOT pass rate the Aston martin Db9 (89%) and Aston martin Vantage v8 coupe (92%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Aston martin Db9 report Full Aston martin Vantage v8 coupe 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.