Should I check the MOT history before buying a 2021 Audi A3 Technik 30 TFSI MHEV S A?

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 Audi A3 Technik 30 TFSI MHEV S A?

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 Audi A3 Technik 30 TFSI MHEV S A?

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 Audi A3 Technik 30 TFSI MHEV S A reliable?

Based on MOT data from 341 vehicles, the 2021 Audi A3 Technik 30 TFSI MHEV S A has a first-time MOT pass rate of 93.4%, 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 Audi A3 Technik 30 TFSI MHEV S A?

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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Audi A3 Technik 30 TFSI MHEV S A (2021)

341 real MOT outcomes analysed • 93.4% first-time pass rate

2021 Audi A3 Technik 30 TFSI MHEV S A

CarHunch analysed 341 real MOT records for the 2021 Audi A3 Technik 30 TFSI MHEV S A. 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

Moderate sample. 341 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

This 2021 A3 is a strong performer, with a 92.5% first-time pass rate that comfortably beats the UK average of 80%—and that consistency holds across the petrol variants at 92.4%. Dangerous defects are rare at just 4.7% of vehicles, so safety concerns shouldn't factor into your decision.

These cars are sitting at a sensible 28,700 miles median for their age, and the low failure count of 0.21 per vehicle suggests the hybrid powertrain and running gear are holding up well. Budget for around 1.6 minor advisories per MOT cycle—mostly routine wear items—and you're looking at a genuinely reliable choice; just have any pre-purchase inspection focus on the hybrid battery health and cooling system, which are the expensive components if they go wrong.

The 2021 Audi A3 Technik 30 TFSI MHEV S A passes its MOT first time more often than most UK vehicles (93.4% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

First-time pass

93.4%

UK average ~80%

Better than average

Dangerous (ever)

4.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.21

Over 2.3 tests on record

Low

Typical mileage

29k

Middle half: 20k–39k

For context

✅ Good baseline reliability. A 93.4% 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 1.6 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

These stats describe 341 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.

A solid choice — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 341 Audi A3 Technik 30 TFSI MHEV S A cars.

Before you buy a 2021 Audi A3 Technik 30 TFSI MHEV S A

Based on MOT data from 341 vehicles — here's what to check.

📋 Check the full MOT history. 4.7% 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 (99%)	337	93.3%	0.21

Colour Breakdown

Based on 1,137 Audi A3 Technik 30 TFSI MHEV S A vehicles registered in the UK — across all years. From DVLA registration records.

Black 40.5%

461

White 39.2%

446

Grey 11.3%

129

Blue 5%

Silver 2.4%

Red 1.5%

Mileage Distribution

Most 2021 Audi A3 Technik 30 TFSI MHEV S A 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.

28,669

typical

20,207

low mileage

38,704

high mileage

Half of all 2021 Audi A3 Technik 30 TFSI MHEV S A vehicles fall between 20,207 and 38,704 miles.

Is the mileage you're seeing normal?

✓ Under 20,207 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.

✓ 20,207–38,704 miles — normal for age. This is where most 2021 Audi A3 Technik 30 TFSI MHEV S As sit.

⚠ Over 52,250 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

0.21

Avg failures per vehicle

1.6

Avg advisories per vehicle

Other model years — Audi A3 Technik 30 TFSI MHEV S A: All A3 Technik 30 TFSI MHEV S A years → Which year to buy? →

2022 2023

Or browse all models: Audi →

Compare with another model

See how the 2021 Audi A3 Technik 30 TFSI MHEV S A stacks up against a rival.

A solid choice — agree?