Ford FIESTA - 2021
63.3 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 Ford FIESTA, model year 2021.
Sample size: 28,648 cars, 65,411 tests and 41,428 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: 28,648 cars
The 2021 Ford Fiesta has an overall defect rate of 63 per 100 vehicles, which is significantly lower than the yearly average of 79 per 100, indicating a 19% improvement. Notably, the Fiesta excels in categories such as brakes, steering, and visibility, with defect rates considerably lower than the average. However, it faces challenges in lights and electrics, where its defect rate is higher than average. The model also shows a mileage-related trend, with defect rates increasing steadily across mileage segments, particularly in higher mileage ranges. Overall, the Fiesta demonstrates strong reliability, especially in critical areas related to safety and performance.
Cars by mileage segment
Total: 28,648 cars
Categories
Brakes
▲ 48.5% better
20.6 faults / 100 tests
Year avg: 40.0 / 100 tests
- 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
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 57.1% better
0.3 faults / 100 tests
Year avg: 0.7 / 100 tests
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
Visibility
▲ 58.6% better
6.0 faults / 100 tests
Year avg: 14.5 / 100 tests
- 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
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
Lights & Electrics
▼ 60.7% worse
18.0 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A lens defective: which has no effect on emitted light
- 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
- The aim of a headlamp is not within limits laid down in the requirements
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▲ 10.0% better
78.6 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 wheel: badly distorted or wear between wheel and hub at spigot mounting
Body/Structure
▲ 66.7% better
0.7 faults / 100 tests
Year avg: 2.1 / 100 tests
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A door will not open using the relevant control or close properly
- 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
Equipment
▲ 33.3% better
1.0 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Seat belt buckle missing, damaged or not functioning as intended
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 44.4% better
1.5 faults / 100 tests
Year avg: 2.7 / 100 tests
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Engine MIL inoperative or indicating a malfunction
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions levels exceed default limits
- Emissions levels exceed the manufacturer’s specified limits
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: 12,340
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 5,050
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 4,228
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 3,209
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 2,749
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 2,022
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 1,523
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 890
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 809
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 766
Serious faults (Top 10)
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 890
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 809
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 766
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 422
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 381
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 365
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 142
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 127
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 122
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: 112