Seat LEON - 2021
83.6 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 Seat LEON, model year 2021.
Sample size: 11,596 cars, 25,072 tests and 20,951 recorded faults.
0%
More faults compared to the average car of same model year
More faults compared to the average car of same model year
Quick summary
Total: 11,596 cars
The 2021 SEAT Leon has an overall defect rate of 84 per 100 vehicles, which is 6% higher than the average car of the same year. It shows a distinct increase in defect rates with mileage, particularly in the 124,000+ miles category, where it reaches 248 defects per 100 cars. Notably, the Leon excels in several areas including brakes and steering, with significantly fewer defects compared to the average, but struggles with wheels, suspensions, and axles, where its defect rate is considerably higher. Overall, while the Leon performs well in key categories, its mileage-related trends suggest that defects become more pronounced as distance increases.
Cars by mileage segment
Total: 11,596 cars
Categories
Brakes
▲ 50.3% better
19.9 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
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 71.4% better
0.2 faults / 100 tests
Year avg: 0.7 / 100 tests
- 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.
- Power steering fluid leaking or system malfunctioning
- Track rod or drag link ends seriously misaligned
- A steering ball joint: with excessive wear or free play
Visibility
▲ 40.7% better
8.6 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
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 55.4% better
5.0 faults / 100 tests
Year avg: 11.2 / 100 tests
- A reversing lamp inoperative
- 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
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▼ 49.4% worse
130.4 faults / 100 tests
Year avg: 87.3 / 100 tests
- 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
- 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
Body/Structure
▲ 81.0% better
0.4 faults / 100 tests
Year avg: 2.1 / 100 tests
- A transmission shaft constant velocity joint boot: severely deteriorated
- Fuel system: leaking, or missing or ineffective filler cap
- A door will not open using the relevant control or close properly
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▲ 0.0% better
1.5 faults / 100 tests
Year avg: 1.5 / 100 tests
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt:
Other
▲ 59.3% better
1.1 faults / 100 tests
Year avg: 2.7 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Any part of the noise suppression system: insecure
- 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
- Lambda coefficient outside the default limits or the range specified by the manufacturer
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: 5,877
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 3,667
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 3,165
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,022
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 818
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 695
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 683
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 529
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 516
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 400
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 683
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 529
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 400
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 280
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 129
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 124
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 104
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 89
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 74
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 68