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Rolls royce DAWN - 2018

25.5 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 Rolls royce DAWN, model year 2018. Sample size: 173 cars, 459 tests and 117 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 173 cars

The 2018 Rolls Royce Dawn exhibits a significantly lower overall defect rate compared to the average car of the same year, with 25 defects per 100 vehicles compared to 120. While tyre wear was not highlighted, the model stands out positively in several categories, particularly brakes, steering, and visibility, where it has exceptionally low defect percentages. Notably, there are marked improvements in brakes, with only 8% of vehicles reporting issues, compared to the average of 67%. Mileage-related trends suggest that defects increase with higher mileage, though the Dawn shows excellent performance in the lower mileage segments, particularly under 31,000 miles. Overall, the Dawn demonstrates superior reliability in critical areas compared to its peers.

Cars by mileage segment

Total: 173 cars

Categories

Brakes
▲ 88.7% better
7.8 faults / 100 tests
Year avg: 68.8 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Parking brake efficiency: below minimum requirement
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 5.0 / 100 tests
Visibility
▲ 97.1% better
0.4 faults / 100 tests
Year avg: 13.9 / 100 tests
Lights & Electrics
▲ 94.9% better
0.9 faults / 100 tests
Year avg: 17.6 / 100 tests
Wheels & Suspension
▲ 69.1% better
39.2 faults / 100 tests
Year avg: 126.7 / 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 66.7% better
1.7 faults / 100 tests
Year avg: 5.1 / 100 tests
  • Exhaust system has a major leak or is insecure
Equipment
▲ 59.1% better
0.9 faults / 100 tests
Year avg: 2.2 / 100 tests
Other
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 7.0 / 100 tests

Fault rate by mileage segment

Model    Year average
0 314 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: 59
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 15
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 10
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 7
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 5
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 4
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 4
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 3
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 3
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 2

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 7
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 4
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 3
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 3
Stop lamp(s): all missing or inoperative
FAIL
Occurrences: 1
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 1