Lexus UX reliability, MPG and running costs
Figures updated
The Lexus UX is a car. In 2024 MOT tests it scored 201 for reliability (100 is average), ranking 23 of 442, and 6.4% failed first time against a UK average of 28.5%. Its most common MOT failure is wipers (1.1% of tests).
Ranked 23 of 442 cars in the 2024 MOT Reliability League
In 2024, 10,926 Lexus UXes aged 3 to 20 had an MOT and 6.4% failed first time (UK average 28.5%). Taking age and mileage into account, the Lexus UX is 50% less likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 5.8% failed (UK 12.7%).
First-time fail rate
6.4%
UK 28.5%
Fail rate at 3 years
5.8%
UK 12.7%
Average miles a year
8,100
Typical age at test: 4 years
Lexus UX MOT failure rate by age
Most common Lexus UX MOT faults
- Wipers: does not clear the windscreen effectively1.1% of tests
- Condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.0% of tests
- Condition: has ply or cords exposed0.7% of tests
- Headlamp aim: too low0.6% of tests
- Tread depth: tread depth below requirements of 1.6mm0.6% of tests
- Headlamp aim: too high0.4% of tests
What the Lexus UX fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Tyres | 3.2% | ▼ 34% less often |
| Visibility | 1.5% | ▼ 51% less often |
| Lights and electrics | 1.4% | ▼ 51% less often |
| Brakes | 0.4% | ▼ 81% less often |
| Body and structure | 0.1% | ▼ 75% less often |
| Suspension | 0.1% | ▼ 92% less often |
| Seat belts and airbags | 0.1% | ▼ 86% less often |
| Exhaust and emissions | 0.0% | ▼ 96% less often |
| Wheels | 0.0% | ▼ 83% less often |
| Steering | 0.0% | ▼ 95% less often |
What MPG does the Lexus UX do?
Official economy for the Lexus UX ranges from 47 to 56.4mpg across the 106 versions listed by the Vehicle Certification Agency (2019–2025). Electric versions average 4 miles per kWh, with an official range of 190 to 281 miles.
Work out a journey's fuel costHow much is road tax on a Lexus UX?
Any Lexus UX first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).
Work out tax for a specific carLexus UX specs and running costs
Official figures for 106 versions sold in the UK between 2019 and 2025.
Fuel types
Electric, Hybrid
Official economy
47.0–56.4 mpg
Electric range
190–281 miles
Efficiency
4.0 mi/kWh
CO2
113–137 g/km
Power
152–204 PS
| Version | Fuel | Economy | CO2 | Car tax | Company car tax |
|---|---|---|---|---|---|
| UX 300e UX 300e Urban204 PS · N/A · listed 2025 | Electric | 4 mi/kWh | 0g | £200 | 4% |
| UX 300e UX 300e Premium204 PS · N/A · listed 2025 | Electric | 4 mi/kWh | 0g | £200 | 4% |
| UX 300e UX 300e Premium Plus204 PS · N/A · listed 2025 | Electric | 4 mi/kWh | 0g | £200 | 4% |
| UX 300e UX 300e Premium Plus Tech Pack204 PS · N/A · listed 2025 | Electric | 4 mi/kWh | 0g | £200 | 4% |
| UX 300e UX 300e Takumi204 PS · N/A · listed 2025 | Electric | 4 mi/kWh | 0g | £200 | 4% |
| UX 300h Urban199 PS · CVT · listed 2025 | Hybrid | 56.4 mpg | 113g | £200 | 28% |
| UX 300h F SPORT Design199 PS · CVT · listed 2025 | Hybrid | 54.3 mpg | 117g | £200 | 29% |
| UX 300h F SPORT Design Tech Pack199 PS · CVT · listed 2025 | Hybrid | 54.3 mpg | 117g | £200 | 29% |
| UX 300h Premium Plus199 PS · CVT · listed 2025 | Hybrid | 54.3 mpg | 117g | £200 | 29% |
| UX 300h Premium Plus AWD199 PS · CVT · listed 2025 | Hybrid | 50.4 mpg | 126g | £200 | 31% |
| UX 300h Premium199 PS · CVT · listed 2025 | Hybrid | 56.4 mpg | 113g | £200 | 28% |
| UX 300h F SPORT199 PS · CVT · listed 2025 | Hybrid | 54.3 mpg | 118g | £200 | 29% |
| UX 300h F SPORT AWD199 PS · CVT · listed 2025 | Hybrid | 50.4 mpg | 127g | £200 | 31% |
| UX 300h F SPORT Takumi199 PS · CVT · listed 2025 | Hybrid | 54.3 mpg | 119g | £200 | 29% |
| UX 300h FSPORT Takumi AWD199 PS · CVT · listed 2025 | Hybrid | 49.5 mpg | 128g | £200 | 31% |
Economy and CO2 are official WLTP figures. Car tax is the yearly rate at current rates for a car first registered in the year listed, before any expensive car supplement. Company car tax is the 2026/27 benefit-in-kind rate. Showing the 15 most recent of 106 versions.
What a Lexus UX costs to fuel
- Electric, typical official 4 miles per kWh…
Official figures are usually 10–15% better than real-world driving.
Work out your charging costsBuying a used Lexus UX?
Check the MOT history of the exact car: every result, advisory and mileage reading, free.
Other Lexus models
Frequently asked questions
›Is the Lexus UX reliable?
Its MOT record is better than average: the Lexus UX is 50% less likely to fail than the average car of the same age and mileage, with a reliability score of 201 in our 2024 league (100 is average).
›What are common problems with the Lexus UX?
The most common MOT fault is “Wipers: does not clear the windscreen effectively”, found in 1.1% of tests.
›What MPG does the Lexus UX do?
Official economy for the Lexus UX ranges from 47 to 56.4mpg across the 106 versions listed by the Vehicle Certification Agency (2019–2025). Electric versions average 4 miles per kWh, with an official range of 190 to 281 miles.
›How much is road tax on a Lexus UX?
Any Lexus UX first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).
›How many Lexus UXes fail their MOT?
6.4% of Lexus UXes aged 3 to 20 failed their MOT first time in 2024, and 5.8% failed at their first MOT.
Sources: DVSA anonymised MOT tests 2024, all versions of the Lexus UX combined (Open Government Licence v3.0); official economy and CO2 from Vehicle Certification Agency data, © Crown copyright. VCA cannot accept liability for its accuracy. How we calculate the league.