Should I check the MOT history before buying a 2021 Hyundai I20 N Line MHEV T Gdi?

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 Hyundai I20 N Line MHEV T Gdi?

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 Hyundai I20 N Line MHEV T Gdi?

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 Hyundai I20 N Line MHEV T Gdi reliable?

Based on MOT data from 236 vehicles, the 2021 Hyundai I20 N Line MHEV T Gdi 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 Hyundai I20 N Line MHEV T Gdi?

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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Hyundai I20 N Line MHEV T Gdi (2021)

236 real MOT outcomes analysed • 91% first-time pass rate

2021 Hyundai I20 N Line MHEV T Gdi

CarHunch analysed 236 real MOT records for the 2021 Hyundai I20 N Line MHEV T Gdi. 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

This 2021 Hyundai i20 N Line MHEV is notably reliable, with a 90.2% first-time pass rate that substantially beats the UK average of 80%, and only 5.9% of vehicles have ever recorded a dangerous defect—well below the threshold for concern. The hybrid-electric drivetrain shows no weakness, maintaining the same 90.1% pass rate across the sample.

At an average mileage of 24,324 km, these vehicles are lightly used for their age, which partly explains the strong performance, but the real story is in the low failure count: just 0.28 failures per vehicle suggests the powertrain and core mechanicals are genuinely tough. Before buying, run a full service history check to confirm regular maintenance has been done, as these hybrids reward consistent care.

We have limited data for the 2021 Hyundai I20 N Line MHEV T Gdi — treat the figures below as indicative rather than definitive.

⚠️ 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

91%

UK average ~80%

Better than average

Dangerous (ever)

5.9%

At least once in MOT history

Check this vehicle

Avg failures / car

0.28

Over 2.2 tests on record

Low

Typical mileage

23k

Middle half: 17k–29k

For context

These stats describe 236 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 236 Hyundai I20 N Line MHEV T Gdi cars.

Before you buy a 2021 Hyundai I20 N Line MHEV T Gdi

Based on MOT data from 236 vehicles — here's what to check.

📋 Check the full MOT history. 5.9% 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
Hybrid Electric (Clean) (99%)	234	90.9%	0.28

Colour Breakdown

Based on 1,903 Hyundai I20 N Line MHEV T Gdi vehicles registered in the UK — across all years. From DVLA registration records.

White 24.6%

468

Grey 23.1%

440

Blue 15.6%

296

Black 15.5%

295

Red 9%

172

Green 5%

Turquoise 3.5%

Silver 2.3%

Bronze 1.5%

Mileage Distribution

Most 2021 Hyundai I20 N Line MHEV T Gdi 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.

22,592

typical

16,845

low mileage

29,200

high mileage

Half of all 2021 Hyundai I20 N Line MHEV T Gdi vehicles fall between 16,845 and 29,200 miles.

Is the mileage you're seeing normal?

✓ Under 16,845 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.

✓ 16,845–29,200 miles — normal for age. This is where most 2021 Hyundai I20 N Line MHEV T Gdis sit.

⚠ Over 39,420 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

2.2

Avg MOT tests per vehicle

0.28

Avg failures per vehicle

1.1

Avg advisories per vehicle

Other model years — Hyundai I20 N Line MHEV T Gdi: All I20 N Line MHEV T Gdi years → Which year to buy? →

2022 2023 2024

Or browse all models: Hyundai →

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See how the 2021 Hyundai I20 N Line MHEV T Gdi stacks up against a rival.

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