Should I check the MOT history before buying a 2021 MG 3 Exclusive Nav Vti Tech?

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 MG 3 Exclusive Nav Vti Tech?

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 MG 3 Exclusive Nav Vti Tech?

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 MG 3 Exclusive Nav Vti Tech reliable?

Based on MOT data from 1,239 vehicles, the 2021 MG 3 Exclusive Nav Vti Tech has a first-time MOT pass rate of 89.9%, 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 MG 3 Exclusive Nav Vti Tech?

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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MG 3 Exclusive Nav Vti Tech (2021)

1,239 real MOT outcomes analysed • 89.9% first-time pass rate

2021 MG 3 Exclusive Nav Vti Tech

CarHunch analysed 1,239 real MOT records for the 2021 MG 3 Exclusive Nav Vti Tech. 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 MG 3 is a reliable performer, with an 88.8% first-time MOT pass rate that sits comfortably above the UK average of 80%, suggesting owners can generally expect trouble-free annual tests. The dangerous defect rate of 7.6% is acceptable and not a cause for concern when shopping used.

At around 20,600 miles median mileage for a three-year-old car, these examples are running low, which partly explains the strong pass rate and the modest 0.32 average failures per vehicle. Before buying, check the service history carefully and budget for upcoming maintenance, since the 1.7 average advisories per test indicate wear items like tyres and brakes will need attention sooner rather than later.

The 2021 MG 3 Exclusive Nav Vti Tech passes its MOT first time more often than most UK vehicles (89.9% 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

89.9%

UK average ~80%

Better than average

Dangerous (ever)

7.6%

At least once in MOT history

Check this vehicle

Avg failures / car

0.32

Over 2.4 tests on record

Low

Typical mileage

21k

Middle half: 15k–28k

For context

✅ Good baseline reliability. A 89.9% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔧 Expect consumable spend. An average of 1.7 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 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 1,239 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 1,239 MG 3 Exclusive Nav Vti Tech cars.

Before you buy a 2021 MG 3 Exclusive Nav Vti Tech

Based on MOT data from 1,239 vehicles — here's what to check.

📋 Check the full MOT history. 7.6% 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 (98%)	1,214	89.8%	0.33

Colour Breakdown

Based on 11,507 MG 3 Exclusive Nav Vti Tech vehicles registered in the UK — across all years. From DVLA registration records.

Black 28%

3,225

White 26.3%

3,026

Silver 21.8%

2,512

Blue 15.7%

1,802

Yellow 4.7%

546

Red 3.4%

396

Mileage Distribution

Most 2021 MG 3 Exclusive Nav Vti Tech 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.

20,590

typical

14,754

low mileage

28,219

high mileage

Half of all 2021 MG 3 Exclusive Nav Vti Tech vehicles fall between 14,754 and 28,219 miles.

Is the mileage you're seeing normal?

✓ Under 14,754 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.

✓ 14,754–28,219 miles — normal for age. This is where most 2021 MG 3 Exclusive Nav Vti Techs sit.

⚠ Over 38,095 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

2.4

Avg MOT tests per vehicle

0.32

Avg failures per vehicle

1.7

Avg advisories per vehicle

Other model years — MG 3 Exclusive Nav Vti Tech: All 3 Exclusive Nav Vti Tech years → Which year to buy? →

2020 2022 2023 2024

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