Volvo XC40 - 2021
66.3 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Volvo XC40, model year 2021.
Sample size: 27,057 cars, 57,570 tests and 38,144 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: 27,057 cars
The 2021 Volvo XC40 shows a significantly lower overall defect rate compared to the average car of the same year, with 66 defects per 100 vehicles versus 79. The model excels in several categories, particularly in steering, visibility, and lights and electrics, where it has much fewer defects than the average. Mileage-related trends indicate that the defect rate increases with mileage, but the XC40 performs better across all mileage segments compared to the average vehicle. Overall, this model stands out positively for its reliability in critical safety and functional areas.
Cars by mileage segment
Total: 27,057 cars
Categories
Brakes
▼ 1.3% worse
40.5 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 71.4% better
0.2 faults / 100 tests
Year avg: 0.7 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- 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
- Steering linkage retaining or locking device missing or ineffective
Visibility
▲ 38.6% better
8.9 faults / 100 tests
Year avg: 14.5 / 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
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 68.8% better
3.5 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp emitted colour, position or intensity not in accordance with the requirements
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
- Reflector defective or damaged: by up to 50% of the reflecting surface
- An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▲ 12.8% better
76.1 faults / 100 tests
Year avg: 87.3 / 100 tests
- 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
- Tyre tread depth not in accordance with the requirements
- 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
Body/Structure
▲ 38.1% better
1.3 faults / 100 tests
Year avg: 2.1 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
- Fuel system: leaking, or missing or ineffective filler cap
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
Equipment
▼ 13.3% worse
1.7 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
- A seat belt: or flexible stalk damaged
Other
▲ 85.2% better
0.4 faults / 100 tests
Year avg: 2.7 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Any part of the noise suppression system: insecure
- Emissions test unable to be completed
- 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: 13,997
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 5,397
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,639
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 2,515
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 2,235
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 1,888
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,173
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 1,010
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 918
Wiper blade: defective
MINOR
Occurrences: 882
Serious faults (Top 10)
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,173
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 1,010
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 745
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 671
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 306
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 120
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 70
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 55
An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 52
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 51