Audi Q3 - 2018
117.8 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Audi Q3, model year 2018.
Sample size: 13,853 cars, 31,807 tests and 37,459 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: 13,853 cars
The 2018 Audi Q3 has an overall defect rate of 118 per 100 vehicles, which is slightly lower than the average for its year at 120 per 100, marking a 2% improvement. Notably, the Q3 excels in several categories, with significantly fewer issues reported in steering, visibility, lights and electrics, body structure, and equipment compared to the average car. While defect rates increase with mileage, the Q3 maintains a competitive performance, particularly in the lower mileage ranges. Overall, this model demonstrates a solid reliability record, especially in critical areas that contribute to safety and functionality.
Cars by mileage segment
Total: 13,853 cars
Categories
Brakes
▼ 3.2% worse
71.0 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 98.0% better
0.1 faults / 100 tests
Year avg: 5.0 / 100 tests
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
- EPS MIL indicating a system malfunction
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▲ 33.1% better
9.3 faults / 100 tests
Year avg: 13.9 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 71.0% better
5.1 faults / 100 tests
Year avg: 17.6 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- The aim of a headlamp is not within limits laid down in the requirements
- Reflector defective or damaged: by up to 50% of the reflecting surface
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
- Stop lamp(s): all missing or inoperative
Wheels & Suspension
▼ 12.0% worse
141.9 faults / 100 tests
Year avg: 126.7 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A shock absorber damaged … or showing signs of severe leakage
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 82.4% better
0.9 faults / 100 tests
Year avg: 5.1 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A transmission shaft flexible coupling: excessively deteriorated
- Exhaust system has a major leak or is insecure
- A body panel or body component: likely to become detached
Equipment
▲ 45.5% better
1.2 faults / 100 tests
Year avg: 2.2 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Audible warning:
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▲ 15.7% better
5.9 faults / 100 tests
Year avg: 7.0 / 100 tests
- Emissions levels exceed default limits
- Emissions levels exceed the manufacturer’s specified limits
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
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: 8,075
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 6,084
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 5,386
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 4,113
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 2,999
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,147
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 795
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 744
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 635
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 579
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 744
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 555
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 520
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 474
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 417
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 352
Emissions levels exceed default limits
FAIL
Occurrences: 312
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 212
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 207
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 174