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Tesla MODEL 3 - 2020

104.9 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Tesla MODEL 3, model year 2020. Sample size: 25,094 cars, 56,168 tests and 58,920 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 25,094 cars

The 2020 Tesla Model 3 has a higher overall defect rate, recording 104.9 defects per 100 vehicles, compared to the average of 89.79 for that year, representing a 16.8% increase. The model shows significant mileage-related trends, with defect rates rising consistently across mileage segments, particularly in the 124,000+ miles category where it peaks at 297.11 defects per 100. Notably, the Model 3 excels in categories such as steering, visibility, and body structure, where it performs significantly better than average. However, it experiences a substantial issue with wheels, suspensions, and axles, having a defect rate of 149.55, which is considerably higher than the average of 97.17.

Cars by mileage segment

Total: 25,094 cars

Categories

Brakes
▲ 13.0% better
44.2 faults / 100 tests
Year avg: 50.8 / 100 tests
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake disc or drum: significantly and obviously worn
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 73.3% better
0.4 faults / 100 tests
Year avg: 1.5 / 100 tests
  • Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
  • A steering ball joint: with excessive wear or free play
  • A steering ball joint: with excessive wear or free play
  • Excessive wear or play in a universal joint or a flexible coupling excessively deteriorated
Visibility
▲ 51.1% better
6.9 faults / 100 tests
Year avg: 14.1 / 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
  • 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
▲ 33.0% better
7.5 faults / 100 tests
Year avg: 11.2 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • The aim of a headlamp is not within limits laid down in the requirements
  • Lamp: multiple light source up to a half not functioning
Wheels & Suspension
▼ 53.4% worse
149.6 faults / 100 tests
Year avg: 97.5 / 100 tests
  • 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 lump, bulge or tear … or with cords exposed or damaged
  • A suspension pin, bush, joint or bearing: excessively worn
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 79.2% better
0.5 faults / 100 tests
Year avg: 2.4 / 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
  • A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • A body panel or body component: likely to become detached
Equipment
▲ 73.3% better
0.4 faults / 100 tests
Year avg: 1.5 / 100 tests
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • Audible warning:
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt:
Other
▲ 91.9% better
0.3 faults / 100 tests
Year avg: 3.7 / 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
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 297 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: 19,655
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 8,926
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 6,620
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 3,561
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 3,337
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,638
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 1,752
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,422
Excessive fluctuation in brake effort through each wheel revolution
ADVISORY
Occurrences: 1,413
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,188

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 3,561
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 3,337
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,422
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 1,188
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 405
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 289
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 156
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 144
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 141
Any fracture or welding defect on a wheel
FAIL
Occurrences: 123