Should I check the MOT history before buying a 2021 Hyundai Bayon Premium T Gdi 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 Hyundai Bayon Premium T Gdi 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 Hyundai Bayon Premium T Gdi 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 Hyundai Bayon Premium T Gdi MHEV reliable?

Based on MOT data from 448 vehicles, the 2021 Hyundai Bayon Premium T Gdi MHEV has a first-time MOT pass rate of 92.9%, 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 Bayon Premium T Gdi 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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Hyundai Bayon Premium T Gdi MHEV (2021)

448 real MOT outcomes analysed • 92.9% first-time pass rate

2021 Hyundai Bayon Premium T Gdi MHEV

CarHunch analysed 448 real MOT records for the 2021 Hyundai Bayon Premium T Gdi MHEV. 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 Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Colour Breakdown Compare Models

Moderate sample. 448 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

This 2021 Hyundai Bayon is significantly more reliable than the UK average, with a 92.5% first-time MOT pass rate compared to the national 80%—a genuinely strong result. The 4.5% dangerous defect rate is well below concerning levels, suggesting buyers won't face unexpected safety issues.

At just over 23,000 miles median, these cars are running light for their age, which explains the low 0.22 failures per vehicle. The 1.1 advisories per car indicate minor wear rather than serious mechanical problems, so when budgeting for maintenance, expect routine rather than costly repairs—though as a hybrid, confirm your preferred mechanic has experience with the electric system before purchase.

The 2021 Hyundai Bayon Premium T Gdi MHEV passes its MOT first time more often than most UK vehicles (92.9% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

First-time pass

92.9%

UK average ~80%

Better than average

Dangerous (ever)

4.5%

At least once in MOT history

Check this vehicle

Avg failures / car

0.22

Over 2.2 tests on record

Low

Typical mileage

23k

Middle half: 17k–31k

For context

✅ Good baseline reliability. A 92.9% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

These stats describe 448 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 448 Hyundai Bayon Premium T Gdi MHEV cars.

Before you buy a 2021 Hyundai Bayon Premium T Gdi MHEV

Based on MOT data from 448 vehicles — here's what to check.

📋 Check the full MOT history. 4.5% 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) (98%)	439	92.9%	0.22

Colour Breakdown

Based on 2,508 Hyundai Bayon Premium T Gdi MHEV vehicles registered in the UK — across all years. From DVLA registration records.

Grey 25.4%

638

Blue 20.2%

506

Green 19%

476

White 8%

201

Black 7.5%

188

Red 7.5%

188

Turquoise 5.3%

133

Silver 3.6%

Bronze 3.5%

Mileage Distribution

Most 2021 Hyundai Bayon Premium T Gdi 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.

23,135

typical

16,795

low mileage

31,489

high mileage

Half of all 2021 Hyundai Bayon Premium T Gdi MHEV vehicles fall between 16,795 and 31,489 miles.

Is the mileage you're seeing normal?

✓ Under 16,795 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.

✓ 16,795–31,489 miles — normal for age. This is where most 2021 Hyundai Bayon Premium T Gdi MHEVs sit.

⚠ Over 42,510 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

0.22

Avg failures per vehicle

1.1

Avg advisories per vehicle

Other model years — Hyundai Bayon Premium T Gdi MHEV: All Bayon Premium T Gdi MHEV years → Which year to buy? →

2022 2023 2024

Or browse all models: Hyundai →

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See how the 2021 Hyundai Bayon Premium T Gdi MHEV stacks up against a rival.

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