Dacia LOGAN - 2020
99.9 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 Dacia LOGAN, model year 2020.
Sample size: 816 cars, 1,839 tests and 1,838 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: 816 cars
The 2020 Dacia Logan has an overall defect rate of 100 defects per 100 vehicles, which is 11% higher than the average for cars of the same year. Notably, it performs significantly better in the Body/Structure category, with only 2 defects per 100 vehicles compared to the average of 2.3. However, it struggles in the Visibility and Lights & Electrics categories, showing higher defect rates than average, particularly with 29 defects per 100 vehicles in the latter. Mileage-related trends indicate that defect rates increase with mileage, peaking in the 93,000–124,000 miles range. Overall, while the Logan excels in structural integrity, it has notable weaknesses in visibility and electrical systems.
Cars by mileage segment
Total: 816 cars
More model years for Dacia LOGAN
Other models from Dacia
Categories
Brakes
▲ 18.9% better
41.2 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 6.7% better
1.4 faults / 100 tests
Year avg: 1.5 / 100 tests
- A steering ball joint: with excessive wear or free play
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Power steering fluid leaking or system malfunctioning
- A steering ball joint: worn to the extent there is a serious risk of detachment
Visibility
▼ 63.8% worse
23.1 faults / 100 tests
Year avg: 14.1 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- 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: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▼ 159.8% worse
29.1 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
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- Beam image obviously incorrect
Wheels & Suspension
▼ 0.4% worse
97.9 faults / 100 tests
Year avg: 97.5 / 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 wheel: badly distorted or wear between wheel and hub at spigot mounting
- Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 37.5% better
1.5 faults / 100 tests
Year avg: 2.4 / 100 tests
- 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
- Exhaust system has a major leak or is insecure
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
- A transmission shaft constant velocity joint boot: severely deteriorated
Equipment
▼ 33.3% worse
2.0 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt:
- A statutory seat belt missing
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▲ 0.0% better
3.7 faults / 100 tests
Year avg: 3.7 / 100 tests
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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 levels exceed default 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: 399
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 307
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 100
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 99
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 78
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 61
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 59
Wiper blade: defective
MINOR
Occurrences: 45
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 35
Wiper blade: missing or obviously not clearing the windscreen
PRS
Occurrences: 35
Serious faults (Top 10)
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 59
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 26
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 22
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 20
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 18
Beam image obviously incorrect
FAIL
Occurrences: 18
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 17
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 13
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 10
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 9