2004 · 20 years old at test · Petrol mostly

2004 Aston Martin DB9 MOT pass rate and common faults

259 MOT tests in 2024. 84.6% passed first time, compared with 56.4% for all cars the same age.

150Well above average
Passed first time84.6%
Failed or needed repairs15.4%
Typical mileage at test49,000

Most common reasons for failing

Share of all 259 tests where this item caused a failure.

  1. Coil spring: fractured or broken2.3%
  2. Position lamp: not working2.3%
  3. Malfunction indicator lamp: inoperative or indicates a malfunction1.9%
  4. Wipers: does not clear the windscreen effectively1.9%
  5. Anti-lock braking system: warning lamp indicates an ABS fault1.2%
  6. Driver's seat: fore and aft adjustment mechanism not functioning as intended.1.2%
  7. Headlamp aim: too high1.2%
  8. Brake pads: less than 1.5 mm thick1.2%
    4 marked dangerous
  9. Stop lamp: not working1.2%
  10. Flexible brake hoses: ferrule excessively corroded0.8%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Lights & electrics10.8%
  2. Brakes7.7%
  3. Visibility (wipers, screen, mirrors)4.6%
  4. Emissions & leaks2.7%
  5. Suspension2.3%
  6. Body & chassis1.5%
  7. Tyres1.5%
  8. Seat belts & airbags0.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tyres - condition: has a tear, caused by separation or partial failure of its structure10.4%
  2. Tread depth below requirements of 1.6mm7.7%
  3. Brake discs: in such a condition that it is seriously weakened4.6%
  4. Flexible brake hoses: ferrule excessively corroded4.2%
  5. Shock absorbers: has a serious fluid leak3.9%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: coil spring: fractured or broken. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

All DB9 years2005 DB9 →

Questions

What is the MOT pass rate for a 2004 Aston Martin DB9?

In 2024, 84.6% of 2004 Aston Martin DB9 cars passed their MOT first time, across 259 tests. The average for all 20-year-old cars was 56.4%.

What are the most common MOT failures on a 2004 Aston Martin DB9?

The most common failure reasons were coil spring: fractured or broken; position lamp: not working; malfunction indicator lamp: inoperative or indicates a malfunction. The biggest problem area was lights & electrics.

Is the 2004 Aston Martin DB9 reliable at MOT time?

Its MOT Rank score is 150, which is well above average for a car of its age (100 means exactly average).