Should I check the MOT history before buying a 2020 Audi Q8 S Line Ed 1 50 TDI Quat 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 2020 Audi Q8 S Line Ed 1 50 TDI Quat 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 2020 Audi Q8 S Line Ed 1 50 TDI Quat 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 2020 Audi Q8 S Line Ed 1 50 TDI Quat A reliable?

Based on MOT data from 273 vehicles, the 2020 Audi Q8 S Line Ed 1 50 TDI Quat A has a first-time MOT pass rate of 93.3%, 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 2020 Audi Q8 S Line Ed 1 50 TDI Quat 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 Q8 S Line Ed 1 50 TDI Quat A (2020)

273 real MOT outcomes analysed • 93.3% first-time pass rate

2020 Audi Q8 S Line Ed 1 50 TDI Quat A

CarHunch analysed 273 real MOT records for the 2020 Audi Q8 S Line Ed 1 50 TDI Quat 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 Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2020 Audi Q8 S Line ED 50 TDI passes its MOT first time at 90.2%, which is a solid 10 percentage points above the UK average of 80%—this diesel is genuinely reliable at the MOT stage. Dangerous defects are rare at just 5.9%, so safety isn't a concern for this cohort.

These cars are averaging around 39,600 miles at MOT, which is typical for a four-year-old vehicle, and they're throwing up very few failures (0.26 per car) but a moderate number of advisories (2.5 per car)—mainly wear items rather than structural problems. If you're considering this model, get a full pre-purchase inspection to flag those advisories early, because while it passes MOT reliably, keeping on top of minor wear will protect your investment.

We have limited data for the 2020 Audi Q8 S Line Ed 1 50 TDI Quat 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

93.3%

UK average ~80%

Better than average

Dangerous (ever)

5.9%

At least once in MOT history

Check this vehicle

Avg failures / car

0.26

Over 3.1 tests on record

Low

Typical mileage

37k

Middle half: 29k–48k

For context

These stats describe 273 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 273 Audi Q8 S Line Ed 1 50 TDI Quat A cars.

Before you buy a 2020 Audi Q8 S Line Ed 1 50 TDI Quat A

Based on MOT data from 273 vehicles — here's what to check.

📋 Check the full MOT history. 5.9% 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

Colour Breakdown

Based on 336 Audi Q8 S Line Ed 1 50 TDI Quat A vehicles registered in the UK — across all years. From DVLA registration records.

Black 33.3%

112

Blue 24.4%

Grey 22.6%

White 15.8%

Silver 3.9%

Mileage Distribution

Most 2020 Audi Q8 S Line Ed 1 50 TDI Quat 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.

37,028

typical

29,455

low mileage

48,227

high mileage

Half of all 2020 Audi Q8 S Line Ed 1 50 TDI Quat A vehicles fall between 29,455 and 48,227 miles.

Is the mileage you're seeing normal?

✓ Under 29,455 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.

✓ 29,455–48,227 miles — normal for age. This is where most 2020 Audi Q8 S Line Ed 1 50 TDI Quat As sit.

⚠ Over 65,106 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2020 Audi Q8 S Line Ed 1 50 TDI Quat A — Still on the Road

Almost all 2020 Audi Q8 S Line Ed 1 50 TDI Quat As are still on the road.

Strong survival — 239 vehicles still getting MOTs in 2025, 96% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.

MOT History Averages

3.1

Avg MOT tests per vehicle

0.26

Avg failures per vehicle

2.5

Avg advisories per vehicle

Compare with another model

See how the 2020 Audi Q8 S Line Ed 1 50 TDI Quat A stacks up against a rival.

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