Aston martin DB9 - 2015
37.8 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Aston martin DB9, model year 2015.
Sample size: 260 cars, 539 tests and 204 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: 260 cars
The 2015 Aston Martin DB9 has an overall defect rate of 38 per 100 vehicles, significantly lower than the yearly average of 170 per 100, representing a 78% reduction. Notably, the DB9 excels in several categories, particularly in brakes, where it shows a defect rate of only 12%, compared to 84% for the average car. It also has outstanding performance in steering and visibility with no defects recorded at all, while the average rates are considerably higher. Mileage-related trends indicate that the DB9 exhibits a higher defect rate at lower mileages, especially in the first 62,000 miles, but generally remains well below average across all mileage categories.
Cars by mileage segment
Total: 260 cars
More model years for Aston martin DB9
Other models from Aston martin
Categories
Brakes
▲ 85.6% better
12.2 faults / 100 tests
Year avg: 84.7 / 100 tests
- Brake pipe damaged or excessively corroded
- Significant brake effort recorded with no brake applied indicating a binding brake
- Parking brake control missing, defective or inoperative
- Brake hose ferrules: excessively corroded
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 9.9 / 100 tests
Visibility
▲ 77.0% better
3.7 faults / 100 tests
Year avg: 16.1 / 100 tests
- Wiper blade: defective
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 91.6% better
2.6 faults / 100 tests
Year avg: 31.0 / 100 tests
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- Headlamp aim unable to be tested
- Lamp: multiple light source up to a half not functioning
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 70.1% better
53.4 faults / 100 tests
Year avg: 178.3 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A shock absorber damaged … or showing signs of severe leakage
- 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
- A spring: or spring component fractured or seriously weakened
Body/Structure
▲ 96.6% better
0.4 faults / 100 tests
Year avg: 11.7 / 100 tests
- A driver’s seat: fore and aft adjustment mechanism not working as intended
Equipment
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 4.0 / 100 tests
Other
▲ 75.0% better
3.3 faults / 100 tests
Year avg: 13.2 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 66
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 51
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 12
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 10
Brake hose ferrules: excessively corroded
ADVISORY
Occurrences: 9
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 8
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 6
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 5
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 4
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 4
Serious faults (Top 10)
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 4
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 2
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 2
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 2
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 1
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 1
Headlamp aim unable to be tested
FAIL
Occurrences: 1
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 1