Lexus IS MOT Failure Rate — 15+ Years Old
Lexus IS in this age bracket has a 29.6% failure rate. Key areas to check before your MOT: lamps & electrics and brakes.
Component Risk Breakdown (15+ Years)
Which parts of a 15+-year-old Lexus IS are most likely to cause an MOT failure:
How Does This Compare?
Lexus IS MOT failure rate across all age groups:
| Age | Failure Rate | Tests | Worst Area |
|---|---|---|---|
| 0-2 years | 9.5% | 2,650 | Tyres |
| 3-5 years | 10.0% | 17,639 | Tyres |
| 6-10 years | 12.7% | 41,421 | Tyres |
| 11-15 years | 21.0% | 5,474 | Lamps & Electrics |
| 15+ years | 29.6% | 1,596 | Lamps & Electrics |
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Frequently Asked Questions
Is a 15+ year old Lexus IS reliable?
15+-year-old Lexus IS vehicles have a 29.6% failure rate, which is close to the UK average. It offers typical reliability for this age bracket.
What are the common MOT failures on a 15+ year old Lexus IS?
The most common MOT failure areas at this age are:
- Lamps & Electrics — 7.8% failure risk
- Brakes — 6.5% failure risk
- Suspension — 3.3% failure risk
How can I prepare my Lexus IS for its MOT?
For a 15+-year-old Lexus IS, focus on: (1) Lamps & Electrics — the most common failure area at this age. (2) Check all lights and bulbs. (3) Inspect tyres for tread depth and damage. (4) Consider a pre-MOT check at a local garage (£20–£40). You can also use our free prediction tool for a personalised risk breakdown.
Other Lexus IS Age Groups
Data methodology: Failure rates are weighted averages across all mileage bands for the 15+-year age group, calculated from official DVSA MOT test records. Only combinations with 100+ tests are included. Data covers 142 million MOT tests across the UK.
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