MOT performance
2004 Lexus IS: MOT pass rate and common failures
Of 3,054 MOT tests on 2004-registered Lexus ISs in 2023–2024 (on average 19 years old at test, median 104,300 miles), 65.7% passed first time, 11.4 points lower than the Lexus IS overall. Allowing for age, mileage and fuel, 2004 Lexus ISs failed 23% less often than comparable cars.
3,054 MOT tests on 1,670 vehicles, 2023–2024 · Source: DVSA (Open Government Licence) · Analysis: 73 Auto
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| Figure | Value | Basis |
|---|---|---|
| First-time pass rate | 65.7% | ±1.7 pts (95%), n = 3,054 |
| All Lexus ISs | 77.1% | n = 77,300 |
| Failures vs similar cars | 0.77× | same age, mileage and fuel = 1.00 |
| Tests with a dangerous defect | 9.2% | n = 3,054 |
| Average age at test | 19 years | n = 3,054 |
Where 2004 Lexus ISs fail
| Area | Tests failed on it | vs similar cars |
|---|---|---|
| Lights, reflectors and electrical | 14.6% | -35% |
| Suspension | 13.1% | -22% |
| Tyres | 7.5% | +8% |
| Brakes | 7.2% | -46% |
| Driver's view of the road | 6.7% | -15% |
| Body, chassis and structure | 4.3% | -52% |
| Noise, emissions and leaks | 3.9% | -58% |
| Seat belts and airbags | 1.8% | -37% |
| Steering | 0.9% | -76% |
| Registration plates and VIN | 0.7% | -3% |
| Road wheels | 0.5% | +12% |
Most common failure items
| Item | Area | Share of tests |
|---|---|---|
| Position lamp: not working | Lights, reflectors and electrical | 5.40% |
| Component mounting prescribed areas: prescribed area excessively corroded significantly reducing structural strength | Suspension | 4.13% |
| Coil spring: fractured or broken | Suspension | 3.93% |
| Tread depth: tread depth below requirements of 1.6mm | Tyres | 2.65% |
| Headlamp aim: projected beam image is obviously incorrect | Lights, reflectors and electrical | 2.65% |
Check a specific 2004 Lexus IS
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About this data. These are MOT test results, not a measure of mechanical reliability: a car's MOT outcome reflects its condition on the day, which depends on how it has been maintained and driven as well as how it was built. Figures cover class 4 vehicles (cars and light vans), normal tests only (retests excluded), outcomes pass, fail and pass after rectification at the station; vehicles at least 2.5 years old at test. Tests from 2023-01-01 to 2024-12-30. “Compared with similar cars” means compared with the national rate for cars of the same age, mileage band and fuel. Contains public sector information licensed under the Open Government Licence v3.0. Makes and models are matched to 73 Auto's vehicle catalogue; tests that can't be matched are left out rather than guessed. See how the MOT figures are produced.