Lexus RX reliability, MPG and running costs
Figures updated
The Lexus RX is a car. In 2024 MOT tests it scored 252 for reliability (100 is average), ranking 10 of 442, and 8.1% failed first time against a UK average of 28.5%. Its most common MOT failure is condition (1.2% of tests).
Ranked 10 of 442 cars in the 2024 MOT Reliability League
In 2024, 13,976 Lexus RXes aged 3 to 20 had an MOT and 8.1% failed first time (UK average 28.5%). Taking age and mileage into account, the Lexus RX is 60% less likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 4.4% failed (UK 12.7%).
First-time fail rate
8.1%
UK 28.5%
Fail rate at 3 years
4.4%
UK 12.7%
Average miles a year
8,400
Typical age at test: 6 years
Lexus RX MOT failure rate by age
Most common Lexus RX MOT faults
- Condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.2% of tests
- Tread depth: tread depth below requirements of 1.6mm1.0% of tests
- Wipers: does not clear the windscreen effectively1.0% of tests
- Condition: has ply or cords exposed0.8% of tests
- Headlamp aim: too low0.7% of tests
- Brake pads: less than 1.5 mm thick0.6% of tests
What the Lexus RX fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Tyres | 3.5% | ▼ 41% less often |
| Lights and electrics | 1.7% | ▼ 70% less often |
| Visibility | 1.4% | ▼ 60% less often |
| Brakes | 1.1% | ▼ 73% less often |
| Suspension | 0.8% | ▼ 81% less often |
| Body and structure | 0.2% | ▼ 88% less often |
| Exhaust and emissions | 0.1% | ▼ 95% less often |
| Wheels | 0.1% | ▼ 76% less often |
| Seat belts and airbags | 0.1% | ▼ 89% less often |
| Steering | 0.0% | ▼ 99% less often |
What MPG does the Lexus RX do?
Official economy for the Lexus RX ranges from 23.2 to 48.7mpg across the 116 versions listed by the Vehicle Certification Agency (2006–2025).
Work out a journey's fuel costHow much is road tax on a Lexus RX?
Any Lexus RX first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Lexus RX registered between March 2001 and March 2017 is taxed on its CO2: £790 a year.
Work out tax for a specific carLexus RX specs and running costs
Official figures for 116 versions sold in the UK between 2006 and 2025.
Fuel types
Hybrid, Petrol, Plug-in hybrid
Official economy
23.2–48.7 mpg
CO2
25–288 g/km
Power
184–371 PS
| Version | Fuel | Economy | CO2 | Car tax | Company car tax |
|---|---|---|---|---|---|
| RX RX 350h Premium207 PS · CVT · listed 2025 | Hybrid | 44.1 mpg | 144g | £200 | 34% |
| RX RX 350h Premium with Sunroof207 PS · CVT · listed 2025 | Hybrid | 44.1 mpg | 145g | £200 | 35% |
| RX RX 350h Premium Plus207 PS · CVT · listed 2025 | Hybrid | 44.1 mpg | 144g | £200 | 34% |
| RX RX 350h Premium Plus with Pan Roof207 PS · CVT · listed 2025 | Hybrid | 44.1 mpg | 145g | £200 | 35% |
| RX RX 350h F SPORT Design207 PS · CVT · listed 2025 | Hybrid | 44.1 mpg | 144g | £200 | 34% |
| RX RX 350h F SPORT Design with Pan Roof207 PS · CVT · listed 2025 | Hybrid | 44.1 mpg | 145g | £200 | 35% |
| RX RX 350h Takumi207 PS · CVT · listed 2025 | Hybrid | 44.1 mpg | 146g | £200 | 35% |
| RX 350h RX350h Premium Plus Pack Pan250 PS · E-CVT · listed 2025 | Hybrid | 44.1 mpg | 144g | £200 | 34% |
| RX 350h RX 350h F SPORT Design250 PS · E-CVT · listed 2025 | Hybrid | 44.8 mpg | 143g | £200 | 34% |
| RX 350h RX 350h F SPORT Design Pan Roof250 PS · E-CVT · listed 2025 | Hybrid | 44.1 mpg | 144g | £200 | 34% |
| RX 350h RX350h Takumi250 PS · E-CVT · listed 2025 | Hybrid | 44.1 mpg | 145g | £200 | 35% |
| RX 350h RX350h Premium Pack250 PS · E-CVT · listed 2025 | Hybrid | 44.8 mpg | 143g | £200 | 34% |
| RX 350h RX350h Premium Pack Sunroof250 PS · E-CVT · listed 2025 | Hybrid | 44.8 mpg | 143g | £200 | 34% |
| RX 350h RX350h Premium Plus Pack250 PS · E-CVT · listed 2025 | Hybrid | 44.8 mpg | 143g | £200 | 34% |
| RX 350h RX 350h Premium250 PS · E-CVT · listed 2025 | Hybrid | 44.8 mpg | 143g | £200 | 34% |
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 116 versions.
Buying a used Lexus RX?
Check the MOT history of the exact car: every result, advisory and mileage reading, free.
Other Lexus models
Frequently asked questions
›Is the Lexus RX reliable?
Its MOT record is better than average: the Lexus RX is 60% less likely to fail than the average car of the same age and mileage, with a reliability score of 252 in our 2024 league (100 is average).
›What are common problems with the Lexus RX?
The most common MOT fault is “Condition: has a cut in excess of the requirements deep enough to reach the ply or cords”, found in 1.2% of tests.
›What MPG does the Lexus RX do?
Official economy for the Lexus RX ranges from 23.2 to 48.7mpg across the 116 versions listed by the Vehicle Certification Agency (2006–2025).
›How much is road tax on a Lexus RX?
Any Lexus RX first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Lexus RX registered between March 2001 and March 2017 is taxed on its CO2: £790 a year.
›How many Lexus RXes fail their MOT?
8.1% of Lexus RXes aged 3 to 20 failed their MOT first time in 2024, and 4.4% failed at their first MOT.
Sources: DVSA anonymised MOT tests 2024, all versions of the Lexus RX 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.