Mitsubishi ASX reliability, MPG and running costs
Figures updated
The Mitsubishi ASX is a small suv. In 2024 MOT tests it scored 113 for reliability (100 is average), ranking 188 of 442, and 23.8% failed first time against a UK average of 28.5%. Its most common MOT failure is brake pads (3.1% of tests).
Ranked 188 of 442 cars in the 2024 MOT Reliability League, and 7 of 27 small SUVs
In 2024, 29,240 Mitsubishi ASXes aged 3 to 20 had an MOT and 23.8% failed first time (UK average 28.5%). Taking age and mileage into account, the Mitsubishi ASX is 12% less likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 11.5% failed (UK 12.7%).
First-time fail rate
23.8%
UK 28.5%
Fail rate at 3 years
11.5%
UK 12.7%
Average miles a year
8,200
Typical age at test: 9 years
Mitsubishi ASX MOT failure rate by age
Most common Mitsubishi ASX MOT faults
- Brake pads: less than 1.5 mm thick3.1% of tests
- Wipers: does not clear the windscreen effectively2.5% of tests
- Tread depth: tread depth below requirements of 1.6mm2.2% of tests
- Position lamp: not working1.9% of tests
- Rigid brake pipes: excessively corroded1.8% of tests
- Rbt (sp): efficiency below requirements1.6% of tests
What the Mitsubishi ASX fails on
| Area | Tests failing | vs similar cars |
|---|---|---|
| Brakes | 8.8% | ▲ 1.5× as often |
| Suspension | 6.9% | ▼ 13% less often |
| Lights and electrics | 5.3% | ▼ 45% less often |
| Tyres | 4.2% | ▼ 38% less often |
| Visibility | 4.1% | About average |
| Steering | 2.3% | ▲ 1.3× as often |
| Exhaust and emissions | 1.9% | ▼ 26% less often |
| Body and structure | 1.7% | ▼ 32% less often |
| Seat belts and airbags | 0.5% | ▼ 28% less often |
| Wheels | 0.3% | ▼ 26% less often |
What MPG does the Mitsubishi ASX do?
Official economy for the Mitsubishi ASX ranges from 37.7 to 61.4mpg across the 28 versions listed by the Vehicle Certification Agency (2012–2021). A typical petrol version manages 47.1mpg and a typical diesel 54.3mpg. Expect 10–15% less in real-world driving.
Work out a journey's fuel costHow much is road tax on a Mitsubishi ASX?
Any Mitsubishi ASX first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Mitsubishi ASX registered between March 2001 and March 2017 is taxed on its CO2: £35 to £275 a year.
Work out tax for a specific carMitsubishi ASX specs and running costs
Official figures for 28 versions sold in the UK between 2012 and 2021.
Fuel types
Diesel, Petrol
Official economy
37.7–61.4 mpg
CO2
119–169 g/km
Power
117 PS
| Version | Fuel | Economy | CO2 | Car tax |
|---|---|---|---|---|
| ASX ASX Juro117 PS · M5 · listed 2021 | Petrol | 37.7 mpg | 169g | £200 |
| ASX ASX Black117 PS · M5 · listed 2019 | Petrol | – | – | – |
| ASX 1.6 2WDM6 · listed 2018 | Diesel | 61.4 mpg | 119g | £200 |
| ASX 1.6 4WDM6 · listed 2018 | Diesel | 56.5 mpg | 132g | £200 |
| ASX 2.2 4WDA6 · listed 2018 | Diesel | 48.7 mpg | 152g | £200 |
| ASX ZC 1.6 2WDM6 · listed 2018 | Petrol | 48.7 mpg | 135g | £200 |
| ASX ASX3 1.8 2WD6MT · listed 2015 | Diesel | 55.4 mpg | 134g | £200 |
| ASX ASX4 1.8 4WD6MT · listed 2015 | Diesel | 54.3 mpg | 136g | £200 |
| ASX ASX4 2.2 Diesel 4WD Auto5AT · listed 2015 | Diesel | 48.7 mpg | 153g | £275 |
| ASX ASX4 Black 1.8 2WDM6 · listed 2015 | Diesel | 54.3 mpg | 136g | £200 |
| ASX ASX4 Black 1.8 4WDM6 · listed 2015 | Diesel | 54.3 mpg | 138g | £200 |
| ASX ASX2 1.6 2WD5MT · listed 2015 | Petrol | 47.1 mpg | 137g | £200 |
| ASX ASX3 1.6 2WD5MT · listed 2015 | Petrol | 47.1 mpg | 137g | £200 |
| ASX ASX4 Black 1.6 2WDM5 · listed 2015 | Petrol | 47.1 mpg | 139g | £200 |
| ASX ASX3 1.8 2WDManual · listed 2014 | Diesel | 55.4 mpg | 134g | £200 |
Economy and CO2 are official NEDC (before 2018) or 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. Showing the 15 most recent of 28 versions.
What a Mitsubishi ASX costs to fuel
- petrol, typical official 47.1mpg…
- diesel, typical official 54.3mpg…
Official figures are usually 10–15% better than real-world driving.
Work out a journey in a Mitsubishi ASXBuying a used Mitsubishi ASX?
Check the MOT history of the exact car: every result, advisory and mileage reading, free.
Compare the Mitsubishi ASX with other small SUVs
Reliability, economy, car tax and running costs side by side.
Other Mitsubishi models
Frequently asked questions
›Is the Mitsubishi ASX reliable?
Its MOT record is better than average: the Mitsubishi ASX is 12% less likely to fail than the average car of the same age and mileage, with a reliability score of 113 in our 2024 league (100 is average).
›What are common problems with the Mitsubishi ASX?
The most common MOT fault is “Brake pads: less than 1.5 mm thick”, found in 3.1% of tests. It fails on brakes more often than similar cars.
›What MPG does the Mitsubishi ASX do?
Official economy for the Mitsubishi ASX ranges from 37.7 to 61.4mpg across the 28 versions listed by the Vehicle Certification Agency (2012–2021). A typical petrol version manages 47.1mpg and a typical diesel 54.3mpg. Expect 10–15% less in real-world driving.
›How much is road tax on a Mitsubishi ASX?
Any Mitsubishi ASX first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates). A Mitsubishi ASX registered between March 2001 and March 2017 is taxed on its CO2: £35 to £275 a year.
›How many Mitsubishi ASXes fail their MOT?
23.8% of Mitsubishi ASXes aged 3 to 20 failed their MOT first time in 2024, and 11.5% failed at their first MOT.
Sources: DVSA anonymised MOT tests 2024, all versions of the Mitsubishi ASX 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.