Audi A3 (2015)
2015 Audi A3
CarHunch analysed 44,825 real MOT records for the 2015 Audi A3. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
The 2015 Audi A3 passes its MOT on first attempt 87.6% of the time, well above the UK average of 80%, suggesting these cars are generally well-maintained—though a concerning 34.1% have recorded a dangerous defect at some point, which is notably high and worth investigating on any used example. Petrol versions perform slightly better than diesels, with pass rates of 89.3% versus 86.1%, so if you're choosing between the two, petrol edges ahead on reliability.
At a median mileage of 65,270 miles for cars now nine years old, these A3s have been driven fairly normally, and the average 1.21 failures per test suggests most issues are caught before they become serious—though 8.5 advisories per vehicle indicates wear is accumulating. When you view a specific car, ask the seller for its full MOT history and get any dangerous defect flags checked by an independent Audi specialist before committing.
What to check before buying a 2015 Audi A3
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.
- ⚠️ 34.1% of these vehicles have had a dangerous defect recorded. Enter the reg below — the full MOT history will show exactly what was flagged and whether it was resolved.
- 📄 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 A3
MOT history is one piece of the puzzle. These checks can reveal what CarHunch can't.
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Diesel (54%) | 24,040 | 86.1% | 1.35 |
| Petrol (44%) | 19,599 | 89.3% | 1.03 |
| Hybrid Electric (Clean) (3%) | 1,178 | 88.1% | 1.13 |
| Other (0%) | 7 | 97.1% | 0.14 |
| Diesel (0%) | 1 | 100% | 0 |
Mileage Distribution
Most 2015 Audi A3 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.
Half of all 2015 Audi A3 vehicles fall between 50,482 and 83,481 miles.
2015 Audi A3 — Still on the Road
Strong survival — 40,082 vehicles still getting MOTs in 2025, 94% of the peak.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2018–2025.
MOT History Averages
Most Common MOT Issues — 2015 Audi A3
Based on actual MOT test records for this model. Percentage shows how often each item appears across all vehicles in this cohort.
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50.3%
Offside Front Tyre worn close to legal limit/worn on edge
-
48%
Nearside Front Tyre worn close to legal limit/worn on edge
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28.2%
Rear Brake disc worn, pitted or scored, but not seriously weakened
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28.1%
Nearside Rear Tyre worn close to legal limit/worn on edge
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25.9%
Front Brake pad(s) wearing thin
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25.6%
Offside Rear Tyre worn close to legal limit/worn on edge
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22.1%
Rear Brake pad(s) wearing thin
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19.5%
Offside Rear Tyre slightly damaged/cracking or perishing
Data covers a 3-year window centred on 2015. Counts include advisories and failures.
Found a specific Audi A3?
Enter the reg to see its individual MOT history, AI Hunches, and how it compares to this cohort.