Lexus IS - 2015
93.1 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Lexus IS, model year 2015.
Sample size: 2,835 cars, 5,948 tests and 5,537 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 2,835 cars
The 2015 Lexus IS has an impressive overall defect rate of 93 per 100 cars, significantly lower than the average of 170 per 100 cars for the same year, marking a 45% improvement. It shows notable strengths in several areas, particularly in brakes, where it has just 46 defects per 100 compared to the average of 84, and in steering, with only 2 defects per 100 versus 9.2 on average. Additionally, the Lexus IS excels in visibility and electrical issues, with much lower defect rates than its peers. However, the model exhibits a slight increase in defects as mileage increases, but still remains well below the yearly average across all mileage categories. Overall, this car stands out for its reliability compared to the average vehicle of its age.
Cars by mileage segment
Total: 2,835 cars
More model years for Lexus IS
Other models from Lexus
Categories
Brakes
▲ 45.6% better
46.1 faults / 100 tests
Year avg: 84.7 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake pipe damaged or excessively corroded
Steering
▲ 75.8% better
2.4 faults / 100 tests
Year avg: 9.9 / 100 tests
Visibility
▲ 27.3% better
11.7 faults / 100 tests
Year avg: 16.1 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 61.3% better
12.0 faults / 100 tests
Year avg: 31.0 / 100 tests
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▲ 37.7% better
111.1 faults / 100 tests
Year avg: 178.3 / 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
Body/Structure
▲ 89.7% better
1.2 faults / 100 tests
Year avg: 11.7 / 100 tests
Equipment
▲ 85.0% better
0.6 faults / 100 tests
Year avg: 4.0 / 100 tests
Other
▲ 92.4% better
1.0 faults / 100 tests
Year avg: 13.2 / 100 tests
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: 1,679
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 641
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 490
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 266
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 203
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 192
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 182
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 132
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 120
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 116
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 203
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 116
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 98
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 91
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 34
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 33
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 32
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 27
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 20
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 19