Lexus IS - 2017
75.6 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Lexus IS, model year 2017.
Sample size: 1,610 cars, 3,504 tests and 2,650 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: 1,610 cars
The 2017 Lexus IS exhibits a significantly lower overall defect rate compared to the average car of the same year, with 76 defects per 100 vehicles versus 134 on average, marking a 44% improvement. Notably, the Lexus performs exceptionally well in several categories, particularly in brakes and steering, where the defect rates are 32% and 1% respectively, compared to 71% and 5% on average. Additionally, it shows strong results in visibility and lights & electrics, both of which are considerably better than the average. The vehicle's defect rates appear to increase slightly with mileage, particularly in the higher mileage bands, but overall, it stands out as a reliable choice in its segment.
Cars by mileage segment
Total: 1,610 cars
More model years for Lexus IS
Other models from Lexus
Categories
Brakes
▲ 55.4% better
32.3 faults / 100 tests
Year avg: 72.5 / 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
Steering
▲ 73.2% better
1.5 faults / 100 tests
Year avg: 5.6 / 100 tests
Visibility
▲ 29.7% better
10.2 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 66.2% better
6.9 faults / 100 tests
Year avg: 20.4 / 100 tests
Wheels & Suspension
▲ 30.6% better
99.3 faults / 100 tests
Year avg: 143.1 / 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 cut in excess of the requirements deep enough to reach the ply or cords
- 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
▲ 91.4% better
0.6 faults / 100 tests
Year avg: 7.0 / 100 tests
Equipment
▲ 92.6% better
0.2 faults / 100 tests
Year avg: 2.7 / 100 tests
Other
▲ 97.8% better
0.2 faults / 100 tests
Year avg: 9.0 / 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: 948
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 366
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 281
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 117
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 103
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 101
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 65
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 65
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 52
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 41
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 103
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 52
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 41
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 27
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 16
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 16
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 14
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 10
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 8
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 8