LEXUS RX (2021)
Running costs, common problems, and reliability data based on 3,357 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
3,357
Avg Mileage
24,932 mi
Est. Annual Cost
£2,037
Is the 2021 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 3 years old, 97% of LEXUS RXs from 2021 passed their MOT first time in 2024. That's based on 3,357 tests across the UK. The average mileage at this age is 24,932 miles.
How does the 2021 LEXUS RX compare?
Mileage Analysis
The average 2021 LEXUS RX has 24,932 miles on the clock, which is in line with the expected 22,200 miles for a 3-year-old car, suggesting normal everyday use.
How much does a 2021 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 2021 LEXUS RX
The 2021 LEXUS RX is a premium performance with a 3456cc hybrid engine. 3,357 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 9% of all 2021 cars for reliability.
With an average of 24,932 miles at 3 years old, LEXUS RX owners drive about as much as the UK average.
2021 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 2021 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 2021 LEXUS RX
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet.
Alternatives to the 2021 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:
- BMW X5 XDRIVE45E M SPORT AUTO (2021) 88% pass rate (-9%) from 7,560 tests
- BMW M340I XDRIVE MHEV AUTO (2021) 93% pass rate (-4%) from 4,809 tests
- BMW M440I XDRIVE MHEV AUTO (2021) 92% pass rate (-5%) from 2,725 tests
- BMW 7 SERIES (2021) 94% pass rate (-3%) from 1,291 tests