Aston martin DB9 - 2009
65.3 faults per 100 tests
Year average for all cars of 2009 is 311.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Aston martin DB9, model year 2009.
Sample size: 285 cars, 585 tests and 382 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 285 cars
The 2009 Aston Martin DB9 has a significantly lower overall defect rate, with 65 defects per 100 vehicles compared to the average of 310. Notably, the model excels in key categories such as brakes, steering, visibility, and body structure, showing a remarkable reduction in issues when compared to average vehicles of the same year. Mileage-related trends indicate that as the DB9 accumulates mileage, defect rates increase, particularly in the 93,000 to 124,000 miles range, although even at this level, the DB9 remains well below the yearly average. Overall, this model stands out as a reliable option with fewer defects than its peers, especially in critical areas affecting safety and performance.
Cars by mileage segment
Total: 285 cars
More model years for Aston martin DB9
Other models from Aston martin
Categories
Brakes
▲ 68.9% better
36.6 faults / 100 tests
Year avg: 117.5 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake pipe damaged or excessively corroded
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn down to wear indicator
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 16.3 / 100 tests
Visibility
▲ 63.7% better
8.5 faults / 100 tests
Year avg: 23.4 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen or window: in an unacceptable condition e.g. due to excessive scratching
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
Lights & Electrics
▲ 79.2% better
16.8 faults / 100 tests
Year avg: 80.9 / 100 tests
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Rate of flashing not between 60 and 120 times per minute
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Headlamp reflector or lens: slightly defective
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 79.4% better
61.9 faults / 100 tests
Year avg: 299.8 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 94.9% better
2.1 faults / 100 tests
Year avg: 41.5 / 100 tests
- Exhaust system has a major leak or is insecure
- A door will not open using the relevant control or close properly
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
Equipment
▲ 79.5% better
1.7 faults / 100 tests
Year avg: 8.3 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Seat belt retractor not functioning as intended
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 91.0% better
3.1 faults / 100 tests
Year avg: 34.4 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Engine MIL inoperative or indicating a malfunction
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 81
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 48
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 33
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 27
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 18
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 15
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 12
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 11
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 11
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 9
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 12
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 11
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 8
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 7
A door will not open using the relevant control or close properly
FAIL
Occurrences: 4
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 4
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 3
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 3
Brake performance unable to be tested
FAIL
Occurrences: 3
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 2