LEXUS GS450H (2012)
Running costs, common problems, and reliability data based on 41 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
41
Avg Mileage
111,016 mi
Est. Annual Cost
£2,097
Is the 2012 LEXUS GS450H reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%. It also outperforms the LEXUS brand average of 87%.
At 12 years old, 93% of LEXUS GS450Hs from 2012 passed their MOT first time in 2024. That's based on 41 tests across the UK. The average mileage at this age is 111,016 miles.
How does the 2012 LEXUS GS450H compare?
Mileage Analysis
The average 2012 LEXUS GS450H has 111,016 miles on the clock, which is above the expected 88,800 miles for a 12-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
Best year to buy a LEXUS GS450H?
The most reliable year is the 2008 model with a 85% MOT pass rate, while the 2006 model has the lowest at 79%. The 2012 sits between the two at 93%.
How much does a 2012 LEXUS GS450H cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
LEXUS GS450H by Year
Checking a specific LEXUS GS450H?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2012 LEXUS GS450H
The 2012 LEXUS GS450H is a premium performance with a 3456cc petrol engine. 41 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 11% of all 2012 cars for reliability.
With an average of 111,016 miles at 12 years old, LEXUS GS450H owners cover more miles than the average driver.
2012 LEXUS GS450H Fuel Costs
The 3456cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2012 LEXUS GS450H?
Total estimated annual running cost is £2,097 (£175/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
LEXUS GS450H Reliability Trend
The LEXUS GS450H has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2012 LEXUS GS450H
At 12 years old, the LEXUS GS450H is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2008 model has the highest pass rate at 85%. Note: with only 41 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2012 LEXUS GS450H
The LEXUS GS450H is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- LEXUS RX450H (2010) 86% pass rate (-7%) from 4,300 tests
- LEXUS RX 450H LUXURY CVT (2013) 90% pass rate (-3%) from 1,412 tests
- TOYOTA ALPHARD (2010) 90% pass rate (-3%) from 888 tests
- LEXUS RX 450H F SPORT CVT (2013) 89% pass rate (-4%) from 828 tests