Should I check the MOT history before buying a 2021 Audi A4 Technik 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 A4 Technik 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 A4 Technik 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 A4 Technik 35 TFSI MHEV S A reliable?

Based on MOT data from 281 vehicles, the 2021 Audi A4 Technik 35 TFSI MHEV S A has a first-time MOT pass rate of 93.7%, 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 A4 Technik 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 A4 Technik 35 TFSI MHEV S A (2021)

281 real MOT outcomes analysed • 93.7% first-time pass rate

2021 Audi A4 Technik 35 TFSI MHEV S A

CarHunch analysed 281 real MOT records for the 2021 Audi A4 Technik 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

This 2021 Audi A4 is significantly more reliable than average, with a 92.7% first-time pass rate that comfortably beats the UK average of 80%—and dangerous defects are rare, affecting just 5.7% of vehicles. The petrol engine variant maintains that strong performance at 92.6%, making it a dependable choice for buyers prioritising safety and durability.

At 39,443 miles on average for a 2021 model, these cars are running well within normal wear parameters, which explains why the failure rate is exceptionally low at 0.21 per vehicle. The modest 1.5 advisories per car suggest routine maintenance rather than systemic issues, so check the full service history before buying and you should expect a trouble-free ownership experience.

We have limited data for the 2021 Audi A4 Technik 35 TFSI MHEV S A — 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

93.7%

UK average ~80%

Better than average

Dangerous (ever)

5.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.21

Over 2.3 tests on record

Low

Typical mileage

33k

Middle half: 25k–47k

For context

These stats describe 281 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 281 Audi A4 Technik 35 TFSI MHEV S A cars.

Before you buy a 2021 Audi A4 Technik 35 TFSI MHEV S A

Based on MOT data from 281 vehicles — here's what to check.

📋 Check the full MOT history. 5.7% 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 (97%)	273	93.6%	0.21

Colour Breakdown

Based on 2,381 Audi A4 Technik 35 TFSI MHEV S A vehicles registered in the UK — across all years. From DVLA registration records.

Black 49.5%

1,179

White 17.2%

410

Grey 13.9%

332

Blue 12.5%

297

Silver 5.1%

121

Red 1%

Green 0.8%

Mileage Distribution

Most 2021 Audi A4 Technik 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.

33,436

typical

24,526

low mileage

47,436

high mileage

Half of all 2021 Audi A4 Technik 35 TFSI MHEV S A vehicles fall between 24,526 and 47,436 miles.

Is the mileage you're seeing normal?

✓ Under 24,526 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.

✓ 24,526–47,436 miles — normal for age. This is where most 2021 Audi A4 Technik 35 TFSI MHEV S As sit.

⚠ Over 64,038 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

1.5

Avg advisories per vehicle

Other model years — Audi A4 Technik 35 TFSI MHEV S A: All A4 Technik 35 TFSI MHEV S A years → Which year to buy? →

2022 2023

Or browse all models: Audi →

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See how the 2021 Audi A4 Technik 35 TFSI MHEV S A stacks up against a rival.

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