At a Glance
The Lexus Sc Z40 has 10 identified problems that occur more often than the UK average, with Tyre condition being the most reported. Electrical is the most common MOT failure category. Based on 38K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on this model than the UK average — confirmed at 99% statistical confidence. Read how we calculate MOT pass rates and problems →
Below: the full MOT-data picture for the Lexus Sc Z40 — MOT pass rate vs the UK average, common problems vs UK fleet patterns, the most likely MOT failures by frequency, fault occurrence by mileage band, and pass/fail trends. All numbers drawn from DVSA records.
Lexus Sc Z40 MOT Pass Rate
Across 38K MOT tests from DVSA data, the Lexus Sc Z40 (2001–2010) has a fail rate of 21.0%.
UK average fail rate (2006–2010): 38.6%
Common Lexus Sc Z40 Problems
Owner-submitted reports plus patterns we've identified across 559 million UK MOT tests. Each MOT-derived item below — whether tagged as a Problem, Wear & Tear or Consumable — shows up noticeably more often on this generation than across the UK fleet, which is why it's here. Owner reports are pinned to the top by default; use the sort and filter pills below to view a specific tier or change the order.
Tyre condition
1,410
occurrences
Spark ignition emissions above threshold
870
occurrences
Electronic stability control fault
347
occurrences
Ball joint dust cover split
293
occurrences
Front suspension joint worn
201
occurrences
Tell Us About Your Problem
Help other Lexus Sc Z40 owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Lexus Sc Z40 owners — report a problem and we'll add it to the database
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Problems by mileage
Common problems, MOT failures and advisories on the Lexus Sc Z40, grouped by the mileage they typically appear at.
291 distinct problems · 38,005 total occurrences in current filter
Filter by fuel and engine size to narrow down to your car.
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Advisory items are MOT tester observations. Frequency can be influenced by driving style and usage patterns.
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Frequently Asked Questions
What are the most common Lexus Sc Z40 problems?
Based on DVSA MOT data for the Lexus Sc Z40 (2001–2010), we have identified 10 common problems. The most frequently reported is "Tyre condition". Electrical is the most common MOT failure category.
How reliable is the Lexus Sc Z40?
This generation has 38K MOT tests on record with a 21.0% fail rate. A fault is flagged as a "Common Problem" only when it occurs significantly more often on this model than the UK average, confirmed at 99% statistical confidence.
What commonly fails the MOT on a Lexus Sc Z40?
There are 134 distinct MOT failure types recorded for the Z40 (2001–2010), grouped by the mileage these failures typically occur. See the Common MOT Failures section on this page.
Can I report a problem with my Lexus Sc Z40?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Lexus Sc owners spot problems early. All submissions are reviewed before being added to the public database.
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