Fiat model reference
Fiat 500X
What our record holds on the 500X, sold in the UK since 2015: body styles, fuel types and the road tax a used one pays.
No reliability figure is published for the Fiat 500X that this site could cite. What circulates instead is survey data from panels that select themselves, and warranty claim rates published by companies with something to sell.
Any percentage would be our own calculation. Which years count, and whether a facelift and a new generation sharing the 500X name are one model or two, both move the answer, and neither choice is anybody official's.
So the field does not exist. We do not average the other Fiat models into a number and put it here, and we do not push a marque figure down onto the 500X. What is real and specific is the paperwork for one car.
No fault ordering is published for the 500X
A 2019 1.3 FireFly pays the standard rate, £200 a year in 2026/27.
That figure is a worked example for the year and engine named, not a rate for every 500X. Read the CO2 figure and the first registration date off the V5C before you budget, because both change the answer.
See every band for this tax yearStanding next to one
Buying a used 500X: what the record settles
Our record puts the 500X's UK sales period at since 2015. That range is the useful starting point, because everything about the cost of running one turns on where a particular example sits inside it. It came in one body style here, SUV, with 3 fuel types: petrol, diesel and petrol mild hybrid.
The 500X was on sale on both sides of the road tax change of 1 April 2017, and that is the single most useful thing to know before you buy one. An example first registered up to 31 March 2017 is taxed on its CO2 figure under the lettered bands, so engine, gearbox and even wheel size can move two cars of the same year into different bands. One registered from 1 April 2017 pays the flat standard rate instead and its CO2 stops mattering. Two otherwise identical cars a year apart can cost noticeably different amounts to keep taxed, and only the V5C tells you which one you are looking at.
For running costs the fuel matters more than the badge. On the diesels the emissions section is where a neglected car loses its certificate: the particulate filter is inspected and the smoke reading is measured against a limit, and a filter that has never had a long run to clear itself will not pass on a good intention. A mild hybrid is a petrol car for both the test and the tax: the alternative fuel discount that used to shave a little off the bill ended on 1 April 2025. Four wheel drive versions carry more driveline than the two wheel drive ones. Driveshaft boots, propshaft joints and the extra bushes are all inspected, and they are the items that turn a cheap purchase into an expensive first year.
None of that is a substitute for the record of the actual car. The invoices name what was replaced, when and at what mileage, and the same job appearing twice in three years says more about a 500X than any statistic about the model ever could. A mileage that goes backwards across a paperwork trail is worth walking away from whatever the badge is.
Fiat has sold cars in Britain since the early 1900s and its modern presence rests almost entirely on two small cars, the 500 and the Panda. The 500 has been on sale here since 2007 with only one major change, so parts and body panels are cheap and plentiful. Corrosion on the rear subframe mounts and suspension turrets is the thing to look under a used Punto for. That is context on the marque rather than on this car, and there is more of it, along with every other model line, on the Fiat page.