LEXUS NX (2021)
Running costs, common problems, and reliability data based on 7,761 real MOT tests in 2024.
MOT Pass Rate
97%
Total Tests (2024)
7,761
Avg Mileage
23,811 mi
Est. Annual Cost
£2,037
Is the 2021 LEXUS NX 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 NXs from 2021 passed their MOT first time in 2024. That's based on 7,761 tests across the UK. The average mileage at this age is 23,811 miles.
How does the 2021 LEXUS NX compare?
Mileage Analysis
The average 2021 LEXUS NX has 23,811 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 NX 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 NX by Year
Checking a specific LEXUS NX?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2021 LEXUS NX
The 2021 LEXUS NX is a premium with a 2494cc hybrid engine. 7,761 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 2021 cars for reliability.
With an average of 23,811 miles at 3 years old, LEXUS NX owners drive about as much as the UK average.
2021 LEXUS NX Fuel Costs
The 2494cc hybrid engine offers a reasonable balance between performance and economy. 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 NX?
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 NX Reliability Trend
The LEXUS NX has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Buying a Used 2021 LEXUS NX
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. With 7,761 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2021 LEXUS NX
The LEXUS NX is actually the most reliable option among similar hybrid premiums from this era. Here are comparable hybrid cars with similar engines:
- LAND ROVER RANGE ROVER SPORT (2019) 94% pass rate (-3%) from 33,069 tests
- TOYOTA RAV4 (2020) 95% pass rate (-2%) from 21,063 tests
- LAND ROVER RANGE ROVER (2019) 94% pass rate (-3%) from 15,073 tests
- BMW 330E M SPORT AUTO (2021) 88% pass rate (-9%) from 12,306 tests