Should I check the MOT history before buying a 2021 Ford Fiesta Stline X Edition T 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 Ford Fiesta Stline X Edition T 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 Ford Fiesta Stline X Edition T 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 Ford Fiesta Stline X Edition T MHEV reliable?

Based on MOT data from 2,911 vehicles, the 2021 Ford Fiesta Stline X Edition T MHEV has a first-time MOT pass rate of 91%, 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 Ford Fiesta Stline X Edition T 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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Ford Fiesta Stline X Edition T MHEV (2021)

2,911 real MOT outcomes analysed • 91% first-time pass rate

2021 Ford Fiesta Stline X Edition T MHEV

CarHunch analysed 2,911 real MOT records for the 2021 Ford Fiesta Stline X Edition T 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 Still on the Road MOT Averages Colour Breakdown Compare Models

This 2021 Ford Fiesta ST-Line X is a strong performer, with an 89.5% first-time MOT pass rate that sits well above the UK average of 80%, and only 8.1% of vehicles have ever recorded a dangerous defect—a low concern for safety-critical issues. The petrol variant (which makes up the vast majority of the cohort) maintains that 89.3% pass rate consistently.

At a median mileage of just over 23,000 miles for a three-year-old car, these Fiestas are running well within typical wear expectations, and the modest average of 0.29 failures per vehicle suggests few structural or mechanical problems are emerging. With 1.4 advisories per car on average, minor wear items like brake pad thickness and light corrosion are the main maintenance conversation—so before buying, ask the seller for service history to confirm routine maintenance has been kept up.

The 2021 Ford Fiesta Stline X Edition T MHEV passes its MOT first time more often than most UK vehicles (91% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ About 1 in 12 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

91%

UK average ~80%

Better than average

Dangerous (ever)

8.1%

At least once in MOT history

Check this vehicle

Avg failures / car

0.29

Over 2.4 tests on record

Low

Typical mileage

23k

Middle half: 16k–31k

For context

✅ Good baseline reliability. A 91% 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 2,911 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 2,911 Ford Fiesta Stline X Edition T MHEV cars.

Before you buy a 2021 Ford Fiesta Stline X Edition T MHEV

Based on MOT data from 2,911 vehicles — here's what to check.

📋 Check the full MOT history. 8.1% 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%)	2,832	90.8%	0.3
Other (2%)	58	99.1%	0.02

Colour Breakdown

Based on 6,606 Ford Fiesta Stline X Edition T MHEV vehicles registered in the UK — across all years. From DVLA registration records.

Grey 24.1%

1,595

Black 22.5%

1,487

White 21.7%

1,433

Blue 19%

1,252

Red 7.3%

483

Silver 5.4%

356

Mileage Distribution

Most 2021 Ford Fiesta Stline X Edition T 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.

23,049

typical

16,386

low mileage

30,978

high mileage

Half of all 2021 Ford Fiesta Stline X Edition T MHEV vehicles fall between 16,386 and 30,978 miles.

Is the mileage you're seeing normal?

✓ Under 16,386 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.

✓ 16,386–30,978 miles — normal for age. This is where most 2021 Ford Fiesta Stline X Edition T MHEVs sit.

⚠ Over 41,820 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2021 Ford Fiesta Stline X Edition T MHEV — Still on the Road

Almost all 2021 Ford Fiesta Stline X Edition T MHEVs are still on the road.

Strong survival — 2,815 vehicles still getting MOTs in 2025, 100% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.

MOT History Averages

2.4

Avg MOT tests per vehicle

0.29

Avg failures per vehicle

1.4

Avg advisories per vehicle

Other model years — Ford Fiesta Stline X Edition T MHEV: All Fiesta Stline X Edition T MHEV years → Which year to buy? →

2020 2022 2023

Or browse all models: Ford →

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See how the 2021 Ford Fiesta Stline X Edition T MHEV stacks up against a rival.

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