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Audi Q3 S Line Vorsprung 35 TDI S A (2021)

112 real MOT outcomes analysed • 92.5% first-time pass rate

2021 Audi Q3 S Line Vorsprung 35 TDI S A

CarHunch analysed 112 real MOT records for the 2021 Audi Q3 S Line Vorsprung 35 TDI S A. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.

This 2021 Audi Q3 diesel is significantly more reliable than the UK average, with a 92.5% first-time MOT pass rate against the national 80% benchmark. The 10.7% dangerous defect rate is reasonably low and shouldn't be a major concern for most buyers, though it's worth factoring in during pre-purchase inspections.

At just over 31,000 miles, this cohort sits exactly where you'd expect for a three-year-old vehicle, suggesting owners are using them normally without excessive wear. With only 0.26 average failures per vehicle but 2.5 advisories, these cars tend to need minor maintenance rather than serious repairs—budget for routine items like brakes and wear components, but the underlying engineering is proving sound.

Generally reliable 12.5% above UK average
92.5%
pass MOT first time
UK average: ~80%
31,746
typical mileage
24,843–35,602 middle half
10.7%
ever had a dangerous defect
recorded at any MOT
0.26
avg MOT failures per car
over 2.5 tests on record

What to check before buying a 2021 Audi Q3 S Line Vorsprung 35 TDI S A

Practical pre-purchase checks for this age and model.

  • 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
  • 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
  • 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
  • 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.

Before you buy a Audi Q3 S Line Vorsprung 35 TDI S A

MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.

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Mileage Distribution

Most 2021 Audi Q3 S Line Vorsprung 35 TDI S A vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.

24,843
low mileage
31,746
typical
35,602
high mileage

Half of all 2021 Audi Q3 S Line Vorsprung 35 TDI S A vehicles fall between 24,843 and 35,602 miles.

MOT History Averages

2.5
Avg MOT tests per vehicle
0.26
Avg failures per vehicle
2.5
Avg advisories per vehicle

Found a specific Audi Q3 S Line Vorsprung 35 TDI S A?

Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.

UK