Lexus GS450H

Reliability, estimated running costs, and MOT data across 6 model years from 2,468 MOT tests in 2024.

Avg Pass Rate

85%

Total Tests

2,468

Highest Pass Rate

2008 (85%)

Years Covered

About the Lexus GS450H

The Lexus GS450H was MOT tested 2,468 times in 2024 (DVSA data, retests included) across 6 model years (2006 to 2012), with an average pass rate of 85%. That's slightly above the average of 82% across all models in our data. Our records list hybrid versions.

Best and Worst Years

Of the years with at least 100 tests, the 2008 model has the highest pass rate at 85% from 637 tests. The 2006 model has the lowest at 79%. The 6 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.

Reliability Trend

The Lexus GS450H has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.

Mileage Across Years

The oldest model in our data (2006) averages 120,641 miles, while the newest (2012) averages 111,016 miles. Older models have covered serious mileage, so suspension and drivetrain wear are worth checking.

Estimated Running Costs

Fuel (Hybrid, 3456cc)

£1,958

Road Tax

£790

MOT Test

£55

Predicted Repairs

£200

Total per year£3,003

Per month£250/mo

Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.

Full 2012 details

How reliable is the Lexus GS450H?

vs average of all models+3% (82% avg)

vs Lexus brand average-2% (87% avg)

Best to worst year spread6 percentage points

Reliability trendStable over years

Lexus GS450H by Year

Click any year to see detailed running costs, reliability data, and comparisons with similar cars.

Year	Pass Rate	Tests	Avg Mileage
2012	93%	41	111,016 mi
2010	82%	136	100,907 mi
2009	84%	387	105,585 mi
2008	85%	637	111,524 mi
2007	84%	694	117,310 mi
2006	79%	573	120,641 mi

Questions about the Lexus GS450H

Is the Lexus GS450H reliable?

Across its 6 model years in our data (2006 to 2012), the Lexus GS450H averages an 85% MOT pass rate, from 2,468 tests (DVSA MOT data for tests in 2024, retests included). That's 3 points above the average of 82% across all models in the same data. The 2008 model has the highest pass rate of the years with at least 100 tests, at 85%.

Which year Lexus GS450H has the best MOT pass rate?

Of the years with at least 100 tests, the 2008 Lexus GS450H has the highest MOT pass rate at 85%, while the 2006 model has the lowest at 79%, a 6 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.