Lexus SC MOT pass rate and common problems

The Lexus SC passed 76.7% of its initial MOT tests in 2025, 4.4 percentage points above the 72.3% UK average. The item testers recorded most often was malfunction indicator lamp inoperative or indicates a malfunction.

Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.

How the SC compares

Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.

76.7%

Lexus SC

84%

Lexus average

72.3%

UK average, all cars

The SC runs 7.3 points behind the Lexus average. It is 10th of the 10 Lexus models in the data. The average SC arrived at its test 20.9 years old with 91,221 miles recorded.

A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.

SC MOT pass rate by age

The same 2025 tests split by the car's age at test.

Age at testTestsPass ratevs UK average
11 years and over 1,794 76.7% 4.4 pts above

Every Lexus SC tested in 2025 was aged 11 years and over, so there is no other age group to compare with. The UK average of 72.3% covers cars of every age, so compare like with like.

Where SC failures cluster

Every failure item recorded on Lexus SC cars in 2025, grouped into the DVSA's test areas.

  • Brakes20.7%
  • Lamps, reflectors and electrical equipment20.4%
  • Suspension15.2%
  • Tyres12.5%
  • Noise, emissions and leaks12.5%
  • Visibility8.4%

Brakes and lamps, reflectors and electrical equipment together account for 41.2% of recorded failure items. These are recorded failures across the model, not faults every car has.

The 10 most common SC MOT failures

Specific items recorded on Lexus SC cars that failed their 2025 MOT, as a share of all recorded failure items.

  1. 1Malfunction indicator lamp inoperative or indicates a malfunctionNoise, emissions and leaks 5.6%
  2. 2Ball joint excessively wornSuspension 4.5%
  3. 3Wipers does not clear the windscreen effectivelyVisibility 4.3%
  4. 4Position lamp not workingLamps, reflectors and electrical equipment 4.3%
  5. 5Catalyst emissions lambda reading after 2nd fast idle outside specified limitsNoise, emissions and leaks 4.1%
  6. 6Electronic stability control warning lamp indicates a faultBrakes 3.9%
  7. 7Condition has ply or cords exposedTyres 3.5%
  8. 8Service brake performance excessively bindingBrakes 3.5%
  9. 9Condition has a tear, caused by separation or partial failure of its structureTyres 3.1%
  10. 10Brake pads less than 1.5 mm thickBrakes 3%

Together these 10 items make up 39.7% of everything testers recorded against failed Lexus SC cars. The rest is spread across many smaller items, and one failed test often records several at once.

What to look at on a SC

The recorded failures above, grouped by area, biggest first.

1

Brakes

Recorded most often: electronic stability control warning lamp indicates a fault, service brake performance excessively binding and brake pads less than 1.5 mm thick. 10.4% of failure items.

2

Noise, emissions and leaks

Recorded most often: malfunction indicator lamp inoperative or indicates a malfunction and catalyst emissions lambda reading after 2nd fast idle outside specified limits. 9.6% of failure items.

3

Tyres

Recorded most often: condition has ply or cords exposed and condition has a tear, caused by separation or partial failure of its structure. 6.6% of failure items.

4

Suspension

Recorded most often: ball joint excessively worn. 4.5% of failure items.

The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific SC has failed on these items before, or had them noted as advisories. Buying one? See the used Lexus SC buying guide.

Already found one?

Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.

Lexus SC MOT FAQs

What is the Lexus SC MOT pass rate?

76.7% of Lexus SC cars passed their initial MOT first time in 2025, from 1,794 tests. That is 4.4 percentage points above the 72.3% average for all cars, and ranks 242nd of 575 models.

What does a Lexus SC most commonly fail its MOT on?

The item testers recorded most often on Lexus SC cars failing their 2025 MOT was malfunction indicator lamp inoperative or indicates a malfunction, on 5.6% of failure items. Next were ball joint excessively worn (4.5%) and wipers does not clear the windscreen effectively (4.3%).

Which area causes the most Lexus SC MOT failures?

Across every recorded failure item, the largest area was brakes at 20.7%, followed by lamps, reflectors and electrical equipment at 20.4%.

Does this mean every Lexus SC has these problems?

No. These are the items testers recorded across every Lexus SC that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.

How do I see a specific Lexus SC's MOT history?

Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.

MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.