Lexus Ls MOT Failures
An analysis of 900 real DVSA MOT tests on the Lexus Ls — what fails, how often, and how that compares to every other car on UK roads.
Where the Lexus Ls fails its MOT
The single biggest MOT failure point on the Lexus Ls is suspension joint dust cover severely deteriorated — this model is 12 times more likely to fail on this item than the average car on UK roads. That makes it worth watching for anyone buying or owning this model. Across 900 MOT tests, 13.19% of all Lexus Ls tests recorded this as a failure.
Suspension failures typically mean worn bushes, drop links, or dampers. These affect handling and tyre wear. Budget £150–£400 per corner at an independent garage for full suspension overhaul.
The failures span 2 categories: Suspension, Brakes. If you're inspecting a Lexus Ls before purchase, these are the areas to focus on — and if any have been flagged as advisories on a previous MOT, they're likely to become failures in the near future.
How failures change with mileage
The Lexus Ls's weak points shift as the car covers more miles. Understanding these patterns helps you know what to expect — and what to budget for — at each stage of ownership.
60,000 to 100,000 miles
This is where routine wear items start to show up. Brake components, tyres, and exhaust parts have done serious work by this point. Cars that have been well serviced will show fewer of these failures — this mileage band is where good maintenance really separates the well-kept from the neglected.
For the Lexus Ls specifically, the DVSA data shows the most common failures at this mileage are suspension joint dust cover severely deteriorated (12x the average) and excessive fluctuation in brake effort through e... (6.0x).
Over 100,000 miles
High-mileage cars accumulate failures across multiple systems. The key question isn't whether things will need doing — they will — but whether the car has been maintained well enough to keep on top of them. Look for a consistent service history and recent MOT passes with minimal advisories.
The standout failure at this mileage is suspension joint dust cover severely deteriorated at 5.0x the fleet average.
What to check before buying a Lexus Ls
Based on the MOT failure data and known issues above, here's what to prioritise when inspecting a Lexus Ls:
Suspension — check for suspension joint dust cover severely deteriorated. Brakes — check for excessive fluctuation in brake effort through e....
Always check the car's full MOT history for patterns — recurring advisories often become failures within 12 months. Enter any reg into our free car check to see the complete picture.
Looking at a specific Lexus Ls?
Enter the reg to see its full MOT history, mileage records, write-off status, and finance checks.
Lexus Ls MOT FAQs
What are the most common MOT failures on a Lexus Ls?
Based on 900 DVSA MOT tests, the most common failure is suspension joint dust cover severely deteriorated — at 12x the national fleet average. Other frequent failures include excessive fluctuation in brake effort through e....
Is the Lexus Ls reliable based on MOT data?
The Lexus Ls has 2 categories where it fails more often than average. The main concern is suspension joint dust cover severely deteriorated. Always check a specific car's full history before buying.
What MOT failures should I expect at high mileage?
The most common high-mileage failures include suspension joint dust cover severely deteriorated, excessive fluctuation in brake effort through e....
How do I check a Lexus Ls's MOT history?
Enter the registration number into our free car check above. You'll see every MOT test result, advisories and failures, mileage readings, write-off status, and finance checks.
MOT failure data sourced from DVSA bulk test records via data.gov.uk. Ratios compare this model's failure rate against the national fleet average. Known issues sourced from manufacturer bulletins, specialist workshops, and verified owner reports.