Should I check the MOT history before buying a 2021 Fiat 500x?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Fiat 500x?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Fiat 500x?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2021 Fiat 500x reliable?

Based on MOT data from 863 vehicles, the 2021 Fiat 500x has a first-time MOT pass rate of 92.4%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2021 Fiat 500x?

The most frequently recorded MOT issues on the 2021 Fiat 500x are: Nearside Front Tyre worn close to legal limit/worn on edge (30.1% of vehicles), Offside Front Tyre worn close to legal limit/worn on edge (29.7% of vehicles), Offside Rear Tyre slightly damaged/cracking or perishing (24% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 2021 Fiat 500x?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Fiat 500x (2021)

863 real MOT outcomes analysed • 92.4% first-time pass rate

2021 Fiat 500x

CarHunch analysed 863 real MOT records for the 2021 Fiat 500x. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Mileage Distribution MOT Averages Colour Breakdown Compare Models

The 2021 FIAT 500X is a genuinely reliable performer, with a 92.4% first-time MOT pass rate that sits well above the UK average of 80%. Dangerous defects have appeared in only 7% of vehicles tested, which is reassuringly low and well below the threshold that would suggest systemic safety concerns.

These cars are running at modest mileage—a median of 29,595 miles for three-year-old examples—so you're looking at relatively lightly used stock in the market. With an average of just 0.25 failures and 1.4 advisories per vehicle, the 500X shows up as straightforward to maintain: when you do visit the garage, expect minor wear items rather than structural problems, so don't hesitate to have a pre-purchase inspection done on any example you're seriously considering.

The 2021 Fiat 500x passes its MOT first time more often than most UK vehicles (92.4% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ Around 1 in 20 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

92.4%

UK average ~80%

Better than average

Dangerous (ever)

At least once in MOT history

Check this vehicle

Avg failures / car

0.25

Over 2.3 tests on record

Low

Typical mileage

30k

Middle half: 20k–43k

For context

✅ Good baseline reliability. A 92.4% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 863 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

A solid choice — agree?

What tends to go wrong

Across 863 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 30.1%

Nearside Front Tyre worn close to legal limit/worn on edge · Offside Front Tyre worn close to legal limit/worn on edge · Offside Rear Tyre slightly damaged/cracking or perishing · …

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Other issues 11.9%

Nearside Rear Child Seat fitted not allowing full inspection of adult belt

Brake wear 8%

Rear Brake disc worn, pitted or scored, but not seriously weakened · Front Brake pad(s) wearing thin · Offside Rear Brake disc worn, pitted or scored, but not seriously weakened · …

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Exhaust & emissions 6.2%

Exhaust Lambda reading after 2nd fast idle outside specified limits

Data covers a 3-year window centred on 2021.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 863 Fiat 500x cars.

Before you buy a 2021 Fiat 500x

Based on MOT data from 863 vehicles — here's what to check.

📋 Check the full MOT history. 7% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Colour Breakdown

Based on 34,186 Fiat 500x vehicles registered in the UK — across all years. From DVLA registration records.

Grey 22.4%

7,656

Red 20.4%

6,976

Black 17%

5,816

White 16.5%

5,657

Blue 12.5%

4,262

Green 4.5%

1,544

Bronze 3%

1,015

Beige 2.8%

946

Yellow 0.6%

205

Silver 0.2%

Cream 0.1%

Orange 0.1%

Mileage Distribution

Most 2021 Fiat 500x vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

29,595

typical

19,958

low mileage

43,020

high mileage

Half of all 2021 Fiat 500x vehicles fall between 19,958 and 43,020 miles.

Is the mileage you're seeing normal?

✓ Under 19,958 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 19,958–43,020 miles — normal for age. This is where most 2021 Fiat 500xs sit.

⚠ Over 58,077 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.3

Avg MOT tests per vehicle

0.25

Avg failures per vehicle

1.4

Avg advisories per vehicle

Other model years — Fiat 500x: All 500x years → Which year to buy? →

2015 2016 2017 2018 2019 2020 2022

Or browse all models: Fiat →

Compare with another model

See how the 2021 Fiat 500x stacks up against a rival.

A solid choice — agree?