LEXUS RX400H (2006)
Running costs, common problems, and reliability data based on 2,789 real MOT tests in 2024.
MOT Pass Rate
79%
Total Tests (2024)
2,789
Avg Mileage
140,821 mi
Est. Annual Cost
£2,397
Is the 2006 LEXUS RX400H reliable?
Average reliability. Expect some repairs as it ages. That's close to the national average of 82%. It falls below the LEXUS brand average of 87%.
At 18 years old, 79% of LEXUS RX400Hs from 2006 passed their MOT first time in 2024. That's based on 2,789 tests across the UK. The average mileage at this age is 140,821 miles.
How does the 2006 LEXUS RX400H compare?
Mileage Analysis
The average 2006 LEXUS RX400H has 140,821 miles on the clock, which is in line with the expected 133,200 miles for a 18-year-old car, suggesting normal everyday use.
Best year to buy a LEXUS RX400H?
The most reliable year is the 2008 model with a 82% MOT pass rate, while the 2005 model has the lowest at 79%. The 2006 sits between the two at 79%.
How much does a 2006 LEXUS RX400H 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 RX400H by Year
Checking a specific LEXUS RX400H?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2006 LEXUS RX400H
The 2006 LEXUS RX400H is a premium performance with a 3498cc petrol engine. 2,789 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2006, the average MOT pass rate is 73%, and this model beats that benchmark.
With an average of 140,821 miles at 18 years old, LEXUS RX400H owners drive about as much as the UK average.
2006 LEXUS RX400H Fuel Costs
The 3498cc 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 2006 LEXUS RX400H?
Total estimated annual running cost is £2,397 (£200/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 79% pass rate. Keeping on top of servicing will help avoid surprises.
LEXUS RX400H Reliability Trend
The LEXUS RX400H has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
Buying a Used 2006 LEXUS RX400H
At 18 years old, the LEXUS RX400H 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 82%.
Alternatives to the 2006 LEXUS RX400H
If reliability is your priority, there are 3 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- TOYOTA ALPHARD (2008) 87% pass rate (+8%) from 2,354 tests
- LEXUS GS450H (2007) 84% pass rate (+5%) from 694 tests
- LEXUS RX450H (2008) 86% pass rate (+7%) from 306 tests
- LEXUS RX400 H SE CVT (2007) 77% pass rate (-2%) from 298 tests