Aston martin DB9 - 2011
60.8 faults per 100 tests
Year average for all cars of 2011 is 274.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Aston martin DB9, model year 2011.
Sample size: 109 cars, 268 tests and 163 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: 109 cars
The 2011 Aston Martin DB9 exhibits a significantly lower overall defect rate of 61 defects per 100 vehicles, which is 78% better than the average for cars of the same year, standing at 271 defects per 100. Notably, the DB9 performs exceptionally well in categories such as brakes and steering, with defect rates of just 41% and 0%, compared to much higher averages. In terms of mileage-related trends, the model shows a peak in defects at 62,000-93,000 miles, but overall, it maintains a lower defect rate across all mileage segments compared to the average car. This performance highlights the DB9 as a reliable choice within its class, particularly in terms of critical safety components.
Cars by mileage segment
Total: 109 cars
More model years for Aston martin DB9
Other models from Aston martin
Categories
Brakes
▲ 62.7% better
41.0 faults / 100 tests
Year avg: 109.9 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake hose ferrules: excessively corroded
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 15.8 / 100 tests
Visibility
▲ 33.0% better
14.2 faults / 100 tests
Year avg: 21.2 / 100 tests
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- 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
Lights & Electrics
▲ 67.5% better
22.4 faults / 100 tests
Year avg: 68.9 / 100 tests
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- A stop lamp: showing white light to the rear or significantly reduced light intensity
Wheels & Suspension
▲ 84.0% better
42.5 faults / 100 tests
Year avg: 266.4 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A shock absorber damaged … or showing signs of severe leakage
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 97.8% better
0.7 faults / 100 tests
Year avg: 31.3 / 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: 7.4 / 100 tests
Other
▲ 97.5% better
0.7 faults / 100 tests
Year avg: 27.8 / 100 tests
- 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: 32
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 14
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 14
Brake hose ferrules: excessively corroded
ADVISORY
Occurrences: 13
Wiper blade: defective
MINOR
Occurrences: 9
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 8
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 8
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 8
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 6
Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
ADVISORY
Occurrences: 6
Serious faults (Top 10)
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 8
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 4
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 3
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 3
A stop lamp: showing white light to the rear or significantly reduced light intensity
FAIL
Occurrences: 2
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 2
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 2
A driver’s seat: fore and aft adjustment mechanism not working as intended
FAIL
Occurrences: 1
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 1
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 1