LEXUS IS (2020)
Running costs, common problems, and reliability data based on 921 real MOT tests in 2024.
MOT Pass Rate
94%
Total Tests (2024)
921
Avg Mileage
37,054 mi
Est. Annual Cost
£2,037
Is the 2020 LEXUS IS reliable?
Excellent reliability. Very few MOT failures. That's 12 points above the national average of 82%. It also outperforms the LEXUS brand average of 87%.
At 4 years old, 94% of LEXUS ISs from 2020 passed their MOT first time in 2024. That's based on 921 tests across the UK. The average mileage at this age is 37,054 miles.
How does the 2020 LEXUS IS compare?
Mileage Analysis
The average 2020 LEXUS IS has 37,054 miles on the clock, which is above the expected 29,600 miles for a 4-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
How much does a 2020 LEXUS IS 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 IS by Year
Checking a specific LEXUS IS?
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About the 2020 LEXUS IS
The 2020 LEXUS IS is a premium with a 2494cc hybrid engine. 921 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model beats that benchmark.
With an average of 37,054 miles at 4 years old, LEXUS IS owners cover more miles than the average driver.
2020 LEXUS IS 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 2020 LEXUS IS?
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 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
LEXUS IS Reliability Trend
The LEXUS IS has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Buying a Used 2020 LEXUS IS
At 4 years old, the LEXUS IS offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2020 LEXUS IS
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable hybrid cars with similar engines:
- LAND ROVER RANGE ROVER SPORT (2019) 94% pass rate (same) from 33,069 tests
- TOYOTA RAV4 (2020) 95% pass rate (+1%) from 21,063 tests
- LAND ROVER RANGE ROVER (2018) 93% pass rate (-1%) from 17,091 tests
- BMW 330E M SPORT AUTO (2021) 88% pass rate (-6%) from 12,306 tests