LEXUS RX450H (2017)
Running costs, common problems, and reliability data based on 32 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
32
Avg Mileage
48,058 mi
Est. Annual Cost
£2,037
Is the 2017 LEXUS RX450H reliable?
Excellent reliability. Very few MOT failures. That's 15 points above the national average of 82%. It also outperforms the LEXUS brand average of 87%.
At 7 years old, 97% of LEXUS RX450Hs from 2017 passed their MOT first time in 2024. That's based on 32 tests across the UK. The average mileage at this age is 48,058 miles.
How does the 2017 LEXUS RX450H compare?
Mileage Analysis
The average 2017 LEXUS RX450H has 48,058 miles on the clock, which is in line with the expected 51,800 miles for a 7-year-old car, suggesting normal everyday use.
Best year to buy a LEXUS RX450H?
The most reliable year is the 2016 model with a 98% MOT pass rate, while the 2005 model has the lowest at 77%. The 2017 sits between the two at 97%.
How much does a 2017 LEXUS RX450H 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 RX450H by Year
Checking a specific LEXUS RX450H?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2017 LEXUS RX450H
The 2017 LEXUS RX450H is a premium performance with a 3500cc petrol engine. 32 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 9% of all 2017 cars for reliability.
With an average of 48,058 miles at 7 years old, LEXUS RX450H owners drive about as much as the UK average.
2017 LEXUS RX450H Fuel Costs
The 3500cc 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 2017 LEXUS RX450H?
Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 97% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
LEXUS RX450H Reliability Trend
Newer LEXUS RX450Hs show better MOT pass rates than older ones, with an average improvement of 8 percentage points.
Buying a Used 2017 LEXUS RX450H
At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2016 model has the highest pass rate at 98%. Note: with only 32 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2017 LEXUS RX450H
The LEXUS RX450H is actually the most reliable option among similar petrol premium performances from this era. Here are comparable petrol cars with similar engines:
- TOYOTA ALPHARD (2017) 80% pass rate (-17%) from 1,069 tests
- PORSCHE CAYENNE TURBO S E-HYBRID AUTO (2019) 97% pass rate (same) from 462 tests