2005 Lexus GS300 MOT pass rate: 76.3% (2,075 tests)

2005-registered Lexus GS300s passed 76.3% of 2,075 MOT tests in 2023–2025 — 11.8 points better than all UK cars registered in 2005 (64.5%).
76.3%Pass rate, 2005 cars
111.8Age-adjusted index (100 = average)
2,075Tests analysed
110,048 miMedian mileage at test
76.3% / 100.0%Petrol vs diesel pass rate

Is the 2005 GS300 getting worse?

Pass rate of 2005-registered cars across recent test years:

Test yearPass rate
202375.6%
+11.4 vs same-age
202477.3%
+13.1 vs same-age
202576.0%
+10.7 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2005 GS300

#SystemDefects recordedShare
1Brakes45228.5%
2Lamps, reflectors and electrical equipment35622.4%
3Noise, emissions and leaks20813.1%
4Suspension20112.7%
5Tyres16210.2%
6Body, chassis, structure905.7%

All GS300 years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2005 (this page) 2,075 76.3% +11.8 pts 110,048
Buying a 2005 GS300? Two checks first

FAQs

Is a 2005 Lexus GS300 reliable?

2005-registered examples passed 76.3% of their MOT tests (2,075 tests, 2023–2025), +11.8 points versus all UK cars registered in the same year. At roughly 21 years old with a median 110,048 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2005 GS300?

The median tested example shows 110,048 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.