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

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 500 Pop MHEV?

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 500 Pop MHEV?

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 500 Pop MHEV reliable?

Based on MOT data from 669 vehicles, the 2021 Fiat 500 Pop MHEV has a first-time MOT pass rate of 90.4%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

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

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 500 Pop MHEV (2021)

669 real MOT outcomes analysed • 90.4% first-time pass rate

2021 Fiat 500 Pop MHEV

CarHunch analysed 669 real MOT records for the 2021 Fiat 500 Pop MHEV. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Colour Breakdown Compare Models

The 2021 FIAT 500 POP MHEV is more reliable than the typical UK car, with an 89.6% first-time pass rate that sits well above the 80% average. A dangerous defect rate of 12.7% is present but not alarming, meaning most owners won't encounter a safety-critical issue during their MOT.

At 22,360 miles median for a three-year-old car, these vehicles are running light, which partly explains the strong pass performance. Average failures are just 0.3 per vehicle, but advisories average 1.4—a sign that minor wear items like wiper blades and fluid levels need routine attention before they become proper failures. Check service history carefully when buying, as consistent maintenance will keep one of these well ahead of the reliability curve.

The 2021 Fiat 500 Pop MHEV passes its MOT first time more often than most UK vehicles (90.4% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ Around 1 in 8 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

90.4%

UK average ~80%

Better than average

Dangerous (ever)

12.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.3

Over 2.3 tests on record

Low

Typical mileage

22k

Middle half: 13k–38k

For context

✅ Good baseline reliability. A 90.4% 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 669 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.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 669 Fiat 500 Pop MHEV cars.

Before you buy a 2021 Fiat 500 Pop MHEV

Based on MOT data from 669 vehicles — here's what to check.

📋 Check the full MOT history. 12.7% 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

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (97%)	646	90.1%	0.31

Colour Breakdown

Based on 1,361 Fiat 500 Pop MHEV vehicles registered in the UK — across all years. From DVLA registration records.

Grey 30.4%

414

White 16.2%

220

Red 14.8%

202

Black 10.5%

143

Orange 9%

122

Green 7.6%

104

Pink 6.6%

Blue 4.8%

Mileage Distribution

Most 2021 Fiat 500 Pop MHEV 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.

22,360

typical

13,431

low mileage

37,670

high mileage

Half of all 2021 Fiat 500 Pop MHEV vehicles fall between 13,431 and 37,670 miles.

Is the mileage you're seeing normal?

✓ Under 13,431 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.

✓ 13,431–37,670 miles — normal for age. This is where most 2021 Fiat 500 Pop MHEVs sit.

⚠ Over 50,854 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

0.3

Avg failures per vehicle

1.4

Avg advisories per vehicle

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

2020 2022

Or browse all models: Fiat →

Compare with another model

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

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