Should I check the MOT history before buying a 2021 Audi Q3 S Line 35 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 Q3 S Line 35 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 Q3 S Line 35 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 Q3 S Line 35 TFSI MHEV S A reliable?

Based on MOT data from 2,131 vehicles, the 2021 Audi Q3 S Line 35 TFSI MHEV S A has a first-time MOT pass rate of 95.2%, 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 Q3 S Line 35 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 Q3 S Line 35 TFSI MHEV S A (2021)

2,131 real MOT outcomes analysed • 95.2% first-time pass rate

2021 Audi Q3 S Line 35 TFSI MHEV S A

CarHunch analysed 2,131 real MOT records for the 2021 Audi Q3 S Line 35 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

The 2021 Audi Q3 S Line 35 TFSI MHEV is a significantly more reliable proposition than the average UK car, with a 94.3% first-time MOT pass rate against the 80% national average—that's a 14-point margin suggesting genuinely robust engineering. Only 5.3% of vehicles have ever recorded a dangerous defect, which is reassuringly low and well below concern territory for a buyer.

At a median mileage of 26,991 miles for a three-year-old car, these examples are running light, and the average of just 0.15 failures per vehicle confirms that when problems do emerge, they're minor and infrequent. The 2.0 advisories per vehicle are typical wear-and-tear items rather than structural worries—so before buying one, get an independent pre-purchase inspection to confirm service history, but don't be put off by the MOT statistics alone.

The 2021 Audi Q3 S Line 35 TFSI MHEV S A passes its MOT first time more often than most UK vehicles (95.2% 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

95.2%

UK average ~80%

Better than average

Dangerous (ever)

5.3%

At least once in MOT history

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Avg failures / car

0.15

Over 2.2 tests on record

Low

Typical mileage

27k

Middle half: 20k–34k

For context

✅ Good baseline reliability. A 95.2% 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 2 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 2,131 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 2,131 Audi Q3 S Line 35 TFSI MHEV S A cars.

Before you buy a 2021 Audi Q3 S Line 35 TFSI MHEV S A

Based on MOT data from 2,131 vehicles — here's what to check.

📋 Check the full MOT history. 5.3% 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%)	2,077	95.1%	0.16

Colour Breakdown

Based on 10,373 Audi Q3 S Line 35 TFSI MHEV S A vehicles registered in the UK — across all years. From DVLA registration records.

Grey 38.2%

3,963

Black 23.6%

2,448

Blue 17.6%

1,824

White 16.6%

1,717

Silver 1.9%

197

Red 1.6%

167

Orange 0.5%

Mileage Distribution

Most 2021 Audi Q3 S Line 35 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.

26,991

typical

20,049

low mileage

34,310

high mileage

Half of all 2021 Audi Q3 S Line 35 TFSI MHEV S A vehicles fall between 20,049 and 34,310 miles.

Is the mileage you're seeing normal?

✓ Under 20,049 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.

✓ 20,049–34,310 miles — normal for age. This is where most 2021 Audi Q3 S Line 35 TFSI MHEV S As sit.

⚠ Over 46,318 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

0.15

Avg failures per vehicle

Avg advisories per vehicle

Other model years — Audi Q3 S Line 35 TFSI MHEV S A: All Q3 S Line 35 TFSI MHEV S A years → Which year to buy? →

2020 2022 2023 2024

Or browse all models: Audi →

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See how the 2021 Audi Q3 S Line 35 TFSI MHEV S A stacks up against a rival.

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