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Fiat 500X reliability, MPG and running costs

Figures updated

The Fiat 500X is a small suv. In 2024 MOT tests it scored 84 for reliability (100 is average), ranking 365 of 442, and 24.6% failed first time against a UK average of 28.5%. Its most common MOT failure is position lamp (5.4% of tests).

84Well below average

Ranked 365 of 442 cars in the 2024 MOT Reliability League, and 20 of 27 small SUVs

In 2024, 35,427 Fiat 500Xes aged 3 to 20 had an MOT and 24.6% failed first time (UK average 28.5%). Taking age and mileage into account, the Fiat 500X is 19% more likely to fail than the average car of the same age and mileage. At the first MOT, at three years old, 10.7% failed (UK 12.7%).

First-time fail rate

24.6%

UK 28.5%

Fail rate at 3 years

10.7%

UK 12.7%

Average miles a year

7,600

Typical age at test: 7 years

Fiat 500X MOT failure rate by age

0%10%20%30%40%357910UK average 31%500X 31%

Most common Fiat 500X MOT faults

  1. Position lamp: not working5.4% of tests
  2. Track rod end: ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt3.8% of tests
  3. Tread depth: tread depth below requirements of 1.6mm2.7% of tests
  4. Malfunction indicator lamp: inoperative or indicates a malfunction2.2% of tests
  5. Washers: provides insufficient washer liquid1.6% of tests
  6. Condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.5% of tests

What the Fiat 500X fails on

AreaTests failingvs similar cars
Lights and electrics8.3%▲ 1.5× as often
Tyres6.9%▲ 1.1× as often
Steering5.7%▲ 5.8× as often
Suspension4.2%About average
Exhaust and emissions3.1%▲ 1.9× as often
Brakes2.9%▼ 31% less often
Visibility2.8%▼ 18% less often
Body and structure1.1%▼ 17% less often
Seat belts and airbags0.3%▼ 26% less often
Wheels0.0%▼ 90% less often

What MPG does the Fiat 500X do?

Official economy for the Fiat 500X ranges from 40.4 to 52.2mpg across the 42 versions listed by the Vehicle Certification Agency (2019–2024). A typical petrol version manages 45.6mpg. Expect 10–15% less in real-world driving.

Work out a journey's fuel cost

How much is road tax on a Fiat 500X?

Any Fiat 500X 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 car

Fiat 500X specs and running costs

Official figures for 42 versions sold in the UK between 2019 and 2024.

Fuel types

Petrol

Official economy

40.4–52.2 mpg

CO2

122–156 g/km

Power

96–151 PS

VersionFuelEconomyCO2Car taxCompany car tax
500X 500X Dolcevita 1.5 130hp Hybrid 48V DDCT (VL)96 PS · SA7 · listed 2024Petrol52.2 mpg122g£20030%
500X 500X Dolcevita Top 1.5 130hp Hybrid 48V DDCT (VL)96 PS · SA7 · listed 2024Petrol52.2 mpg122g£20030%
500X 500X (RED) 1.5 130HP Hybrid 48V DDCT (VL)96 PS · SA7 · listed 2024Petrol52.2 mpg122g£20030%
500X 500X Dolcevita (RED) 1.5 130HP Hybrid 48V DDCT (VL)96 PS · SA7 · listed 2024Petrol52.2 mpg122g£20030%
500X 500X 1.5 130hp Hybrid 48V DDCT (VL)96 PS · SA7 · listed 2024Petrol52.2 mpg122g£20030%
500X 500X Top 1.5 130hp Hybrid 48V DDCT (VL)96 PS · SA7 · listed 2024Petrol52.2 mpg122g£20030%
500X 500X Dolcevita 1.5 130hp Hybrid 48V DDCT (VH)96 PS · SA7 · listed 2024Petrol45.8 mpg139g£20033%
500X 500X Dolcevita Top 1.5 130hp Hybrid 48V DDCT (VH)96 PS · SA7 · listed 2024Petrol45.8 mpg139g£20033%
500X 500X (RED) 1.5 130HP Hybrid 48V DDCT (VH)96 PS · SA7 · listed 2024Petrol45.8 mpg139g£20033%
500X 500X Dolcevita (RED) 1.5 130HP Hybrid 48V DDCT (VH)96 PS · SA7 · listed 2024Petrol45.8 mpg139g£20033%
500X 500X 1.5 130hp Hybrid 48V DDCT (VH)96 PS · SA7 · listed 2024Petrol45.8 mpg139g£20033%
500X 500XTop 1.5 130hp Hybrid 48V DDCT (VH)96 PS · SA7 · listed 2024Petrol45.8 mpg139g£20033%
500X DOLCEVITA SPORT 1.5 130hp Hybrid 48V DDCT (VL)96 PS · SA7 · listed 2024Petrol50.2 mpg128g£20031%
500X DOLCEVITA SPORT 1.5 130hp Hybrid 48V DDCT (VH)96 PS · SA7 · listed 2024Petrol44.9 mpg143g£20034%
500X CROSS 1.5 130hp Hybrid 48V DDCT (VL)131 PS · SA7 · listed 2023Petrol50.2 mpg128g£20031%

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 42 versions.

What a Fiat 500X costs to fuel

  • petrol, typical official 45.6mpg…

Official figures are usually 10–15% better than real-world driving.

Work out a journey in a Fiat 500X

Buying a used Fiat 500X?

Check the MOT history of the exact car: every result, advisory and mileage reading, free.

Compare the Fiat 500X with other small SUVs

Reliability, economy, car tax and running costs side by side.

Other Fiat models

Frequently asked questions

›Is the Fiat 500X reliable?

Its MOT record is worse than average: the Fiat 500X is 19% more likely to fail than the average car of the same age and mileage, with a reliability score of 84 in our 2024 league (100 is average).

›What are common problems with the Fiat 500X?

The most common MOT fault is “Position lamp: not working”, found in 5.4% of tests. It fails on steering and exhaust and emissions more often than similar cars.

›What MPG does the Fiat 500X do?

Official economy for the Fiat 500X ranges from 40.4 to 52.2mpg across the 42 versions listed by the Vehicle Certification Agency (2019–2024). A typical petrol version manages 45.6mpg. Expect 10–15% less in real-world driving.

›How much is road tax on a Fiat 500X?

Any Fiat 500X first registered from April 2017 pays the standard rate of £200 a year after its first year (2026/27 rates).

›How many Fiat 500Xes fail their MOT?

24.6% of Fiat 500Xes aged 3 to 20 failed their MOT first time in 2024, and 10.7% failed at their first MOT.

Sources: DVSA anonymised MOT tests 2024, all versions of the Fiat 500X 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.