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Nissan LEAF - 2021

67.2 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 Nissan LEAF, model year 2021. Sample size: 8,922 cars, 17,584 tests and 11,814 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 8,922 cars

The 2021 Nissan Leaf has an overall defect rate of 67 per 100 vehicles, which is notably better than the average of 79 per 100 vehicles, representing a 14.5% reduction in defects. The model shows a consistent performance in lower defect rates across key areas such as brakes, steering, and lights and electrics, with significant improvements of 22.4% and 74% respectively compared to the average. While tyre wear is a common issue across many vehicles, the Leaf stands out positively in several categories, indicating robust reliability for its owners. Mileage-related trends suggest that defect rates increase as mileage rises, but the Leaf maintains a competitive performance even at higher mileages.

Cars by mileage segment

Total: 8,922 cars

Categories

Brakes
▲ 26.0% better
29.6 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 71.4% better
0.2 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.
  • A steering ball joint: worn to the extent there is a serious risk of detachment
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering linkage component with: excessive movement between components or likely to become detached
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
Visibility
▼ 6.9% worse
15.5 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Wiper blade: missing or obviously not clearing the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
  • Wiper blade: defective
  • 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
▲ 64.3% better
4.0 faults / 100 tests
Year avg: 11.2 / 100 tests
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • 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
  • 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
  • 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
▲ 3.9% better
83.9 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 suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 71.4% better
0.6 faults / 100 tests
Year avg: 2.1 / 100 tests
  • Bumper: insecure or with damage likely to cause injury when grazed or contacted
  • A driver’s seat: fore and aft adjustment mechanism not working as intended
  • 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
  • Towbar: obstructing the registration plate or any lamp
Equipment
▲ 66.7% better
0.5 faults / 100 tests
Year avg: 1.5 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • A seat belt: or flexible stalk damaged
  • A seat belt:
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 96.3% better
0.1 faults / 100 tests
Year avg: 2.7 / 100 tests
  • Any part of the noise suppression system: insecure
  • Any part of the noise suppression system: insecure
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • 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
0 268 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 3,239
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,854
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,815
Wiper blade: defective
MINOR
Occurrences: 599
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 570
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 386
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 345
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 316
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 256
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 231

Serious faults (Top 10)

A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 345
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 316
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 231
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 178
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 61
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 42
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 38
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 36
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 36
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: 29