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Dacia LOGAN - 2018

133.0 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Dacia LOGAN, model year 2018. Sample size: 1,760 cars, 3,943 tests and 5,246 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 1,760 cars

The 2018 Dacia Logan has an overall defect rate of 133 per 100 vehicles, which is 11% higher than the average for that year at 120 per 100. Notably, the Logan exhibits significantly better performance in brake and steering categories, with defect rates considerably lower than the average. However, it struggles with visibility and lights and electrics issues, showing much higher defect rates compared to average figures. Mileage-related trends indicate increased defects as mileage rises, particularly in the highest mileage category where the Logan shows a notable uptick. Overall, while the model excels in some areas, specific concerns regarding visibility and electrical components may require attention.

Cars by mileage segment

Total: 1,760 cars

Categories

Brakes
▲ 25.6% better
51.2 faults / 100 tests
Year avg: 68.8 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Brake lining or pad: worn below 1.5mm
  • Brake lining or pad: worn below 1.5mm
Steering
▲ 48.0% better
2.6 faults / 100 tests
Year avg: 5.0 / 100 tests
  • Power steering fluid leaking or system malfunctioning
  • Power steering: inoperative
  • 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: missing or no longer prevents the ingress of dirt etc.
Visibility
▼ 58.3% worse
22.0 faults / 100 tests
Year avg: 13.9 / 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
  • 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
Lights & Electrics
▼ 163.1% worse
46.3 faults / 100 tests
Year avg: 17.6 / 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
  • Beam image obviously incorrect
  • The aim of a headlamp is not within limits laid down in the requirements
  • Beam image obviously incorrect
Wheels & Suspension
▼ 2.1% worse
129.4 faults / 100 tests
Year avg: 126.7 / 100 tests
  • 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
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 41.2% better
3.0 faults / 100 tests
Year avg: 5.1 / 100 tests
  • 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 door will not open using the relevant control or close properly
  • Exhaust system has a major leak or is insecure
  • A door hinge, catch or pillar: excessively deteriorated
Equipment
▼ 22.7% worse
2.7 faults / 100 tests
Year avg: 2.2 / 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
  • A seat belt: or flexible stalk damaged
Other
▼ 27.1% worse
8.9 faults / 100 tests
Year avg: 7.0 / 100 tests
  • Engine MIL inoperative or indicating a malfunction
  • Emissions levels exceed default limits
  • 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
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 307 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)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,017
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 868
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 273
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 219
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 161
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 151
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 124
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 121
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 98
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 89

Serious faults (Top 10)

The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 89
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 76
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 73
Beam image obviously incorrect
FAIL
Occurrences: 70
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 69
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 68
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 61
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 50
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 48
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 44