LEXUS RX (2018)
Running costs, common problems, and reliability data based on 3,235 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
3,235
Avg Mileage
46,447 mi
Est. Annual Cost
£2,037
Is the 2018 LEXUS RX 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 6 years old, 97% of LEXUS RXs from 2018 passed their MOT first time in 2024. That's based on 3,235 tests across the UK. The average mileage at this age is 46,447 miles.
How does the 2018 LEXUS RX compare?
Mileage Analysis
The average 2018 LEXUS RX has 46,447 miles on the clock, which is in line with the expected 44,400 miles for a 6-year-old car, suggesting normal everyday use.
Best year to buy a LEXUS RX?
The most reliable year is the 2021 model with a 97% MOT pass rate, while the 2013 model has the lowest at 89%. The 2018 sits between the two at 97%.
How much does a 2018 LEXUS RX 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 RX by Year
Checking a specific LEXUS RX?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2018 LEXUS RX
The 2018 LEXUS RX is a premium performance with a 3456cc hybrid engine. 3,235 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 8% of all 2018 cars for reliability.
With an average of 46,447 miles at 6 years old, LEXUS RX owners drive about as much as the UK average.
2018 LEXUS RX Fuel Costs
The 3456cc hybrid 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 hybrid prices of 142p per litre (based on 7,400 miles per year). As a hybrid, real-world fuel costs will vary significantly depending on how much electric-only driving you do.
What does it cost to own a 2018 LEXUS RX?
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 RX Reliability Trend
Newer LEXUS RXs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 2018 LEXUS RX
At 6 years old, the LEXUS RX offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. If you're flexible on year, the 2021 model has the highest pass rate at 97%.
Alternatives to the 2018 LEXUS RX
The LEXUS RX is actually the most reliable option among similar hybrid premium performances from this era. Here are comparable hybrid cars with similar engines:
- MERCEDES S-CLASS (2016) 91% pass rate (-6%) from 6,819 tests
- BMW X5 XDRIVE45E M SPORT AUTO (2020) 91% pass rate (-6%) from 2,784 tests
- LEXUS GS (2016) 94% pass rate (-3%) from 1,022 tests
- BMW 7 SERIES (2020) 95% pass rate (-2%) from 872 tests