Lexus Ls430: MOT pass rate and reliability data

The Lexus Ls430 passes its MOT first time more often than the average UK car, by 5.3 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,053 individual Lexus Ls430 tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate82%
UK national average76.7%
Difference+5.3 points
Tests analysed1,053
Average mileage at test128,455 miles
Average year of manufacture2003
Reliability rank1,379 of 2,005 models

What this means if you are buying one

A 82% first-time pass rate means roughly 18 in every 100 Lexus Ls430s presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Lexus Ls430 tested had covered 128,455 miles and was built around 2003.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Lexus Ls430 bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Lexus Ls430 rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Lexus Ls430s actually sold for at UK salvage auction.

Most common MOT failures on a Lexus Ls430

  1. Parking brake efficiency less than 50% of the required value, 0.8% of tests (2.93x the national rate for this defect)
  2. Parking brake inoperative on one side, 1.2% of tests (2.79x the national rate for this defect)
  3. The strength or continuity of the load bearing structure within 30cm of any sub-frame, spring or suspension component mounting (a 'prescribed area') is significantly reduced or inadequately repaired, 2.2% of tests (2.68x the national rate for this defect)
  4. Lambda coefficient outside the default limits or the range specified by the manufacturer, 1% of tests (2.47x the national rate for this defect)
  5. Exhaust system leaking or insecure, 1.4% of tests (1.79x the national rate for this defect)
  6. Engine MIL illuminated indicating a malfunction, 1.6% of tests (1.76x the national rate for this defect)
  7. Parking brake efficiency below minimum requirement, 1.4% of tests (1.39x the national rate for this defect)
  8. Wiper blade missing or obviously not clearing the windscreen, 1.7% of tests (1.27x the national rate for this defect)
  9. The aim of a headlamp is not within limits laid down in the requirements, 2.1% of tests (1.17x the national rate for this defect)
  10. A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, 1.9% of tests (1.17x the national rate for this defect)

From 1,841 DVSA-tracked Lexus Ls430 tests, 2024. DVSA testers marked 4.07% of these flagged Lexus Ls430 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Lexus Ls430 pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Lexus Ls430 year:

Other Lexus models

Models with a similar pass rate

If this car is a salvage or write-off

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All 2,005 models ranked by MOT pass rate