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Aston martin Dbx v8 auto vs Aston martin V8 vantage: reliability comparison

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

Aston martin Dbx v8 auto
95%
MOT pass rate · 1,912 vehicles
More reliable
Aston martin V8 vantage
90%
MOT pass rate · 4,050 vehicles
Verdict: On MOT pass rate, the Aston martin Dbx v8 auto is the more reliable of the two — 95% pass first time versus 90%. It's one signal among several; check the full breakdown below.

Head to head

Measure Aston martin Dbx v8 auto Aston martin V8 vantage
MOT pass rate 95% ✓ 90%
MOT failure rate 5% ✓ 10%
Faults & advisories per test 0.5 ✓ 0.7
Dangerous-fault share 6% 1% ✓
Average mileage 25,697 mi 44,676 mi
Sample size (vehicles) 1,912 4,050

Most common faults

Aston martin Dbx v8 auto

  1. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  5. Offside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  6. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))

Aston martin V8 vantage

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

Reliability FAQ

On MOT pass rate, the Aston martin Dbx v8 auto is the more reliable of the two — 95% pass first time versus 90%. It's one signal among several; check the full breakdown below.

Full Aston martin Dbx v8 auto report Full Aston martin V8 vantage 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.