Aston martin DB9 - 2008
73.9 faults per 100 tests
Year average for all cars of 2008 is 340.8 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Aston martin DB9, model year 2008.
Sample size: 599 cars, 1,373 tests and 1,014 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: 599 cars
The Aston Martin DB9, 2008 model, shows a significantly lower overall defect rate compared to the average car of the same year, with 74 defects per 100 compared to 337. The model performs exceptionally well in key categories such as brakes, steering, and visibility, with defect rates much lower than the average. However, it does exhibit a concerning trend in the mileage segment over 124,000 miles, where defect rates increase dramatically. Overall, the DB9 stands out positively in various aspects, demonstrating a reliable performance relative to its peers.
Cars by mileage segment
Total: 599 cars
More model years for Aston martin DB9
Other models from Aston martin
Categories
Brakes
▲ 68.4% better
42.1 faults / 100 tests
Year avg: 133.1 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake pipe damaged or excessively corroded
- Brake hose ferrules: excessively corroded
Steering
▲ 93.3% better
1.2 faults / 100 tests
Year avg: 18.0 / 100 tests
- Power steering fluid leaking or system malfunctioning
- Power steering pipe, hose or wiring: excessively damaged or corroded
- Power steering fluid leaking or system malfunctioning
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▲ 73.1% better
6.8 faults / 100 tests
Year avg: 25.3 / 100 tests
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 80.3% better
18.2 faults / 100 tests
Year avg: 92.2 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- The aim of a headlamp is not within limits laid down in the requirements
- Headlamp reflector or lens: slightly defective
Wheels & Suspension
▲ 77.9% better
68.6 faults / 100 tests
Year avg: 310.3 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
- A spring: or spring component fractured or seriously weakened
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 99.2% better
0.4 faults / 100 tests
Year avg: 51.3 / 100 tests
- Exhaust system has a major leak or is insecure
Equipment
▲ 34.7% better
6.6 faults / 100 tests
Year avg: 10.1 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
Other
▲ 90.8% better
3.8 faults / 100 tests
Year avg: 41.2 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed the manufacturer’s specified limits
- Emission control equipment fitted by the manufacturer: missing, obviously modified or obviously defective
- Emissions levels exceed default limits
- 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: 168
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 156
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 90
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 58
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 58
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 45
Brake hose ferrules: excessively corroded
ADVISORY
Occurrences: 44
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 22
A seat belt: webbing or flexible stalk significantly stretched or weakened
ADVISORY
Occurrences: 20
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 19
Serious faults (Top 10)
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 19
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 19
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 15
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 10
Any fracture or welding defect on a wheel
FAIL
Occurrences: 6
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 6
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 6
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 6
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 6
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 5