Audi A3 MOT pass rate and common problems
82.2% of 710,267 Audi A3 MOT tests pass.
At 82.2%, the A3 passes slightly less often than the average across all Audi models (84.5%).
The Audi A3 has a pass rate of 82.2%, a little higher than the national average for cars (79.2%).
Own this Audi A3?
This is the average across every Audi A3 in the dataset. Look up your own registration for its actual MOT history, and a free place to keep its maintenance records.
Have service invoices? Upload and keep them with your car’s history →
How to check and keep your Audi’s service history →
Pass rate by vehicle age
Pass rate drops sharply with age: the Audi A3 tested at 0–3 years pass 91.9% of the time, compared with just 68.0% at 15+ years.
| Vehicle age | Pass rate | Tests | Average mileage |
|---|---|---|---|
| 0–3 years | 91.9% | 27,632 | 28,062 miles |
| 3–6 years | 92.0% | 105,461 | 39,994 miles |
| 6–10 years | 88.3% | 253,811 | 69,960 miles |
| 10–15 years | 76.3% | 208,444 | 107,882 miles |
| 15+ years | 68.0% | 114,919 | 133,169 miles |
Common MOT failure reasons for the Audi A3
The most common reason the Audi A3 fails its MOT is suspension — present in 39.6% of failed tests, most often logged as "Ball joint dust cover no longer prevents the ingress of dirt".
| Category | Share of failed tests | Example |
|---|---|---|
| Suspension | 39.6% | Ball joint dust cover no longer prevents the ingress of dirt |
| Lamps, reflectors and electrical equipment | 37.9% | Not working |
| Tyres | 33.2% | Tread depth below requirements of 1.6mm |
| Brakes | 29.4% | Less than 1.5 mm thick |
| Noise, emissions and leaks | 12.5% | Inoperative or indicates a malfunction |
| Visibility | 11.3% | Does not clear the windscreen effectively |
| Body, chassis, structure | 10.7% | Constant velocity boot split or insecure, no longer prevents the ingress of dirt |
| Seat belts and supplementary restraint systems | 3.4% | Warning lamp indicates a fault |
| Identification of the vehicle | 2.0% | Does not conform to the specified requirements |
| Steering | 1.6% | Ball joint has excessive play |
Buying a used Audi A3: what to check
These checks follow the Audi A3’s own MOT record: the areas it fails on most often, and how that changes as the car gets older. None of them replaces a mechanic’s inspection, but they tell you where to look first.
The biggest drop in pass rate for the Audi A3 comes between 6–10 years and 10–15 years old, from 88.3% to 76.3%. If you are looking at one in or just past that range, read its MOT history closely.
By mileage, the steepest fall is from 60,000–90,000 mi to 90,000–120,000 mi: 83.9% down to 76.6%. Mileage matters as well as age, so compare the car’s recorded mileages with its year.
1. Suspension
Recorded in 39.6% of failed Audi A3 MOTs. Rare on young cars, but 22.3% of tests at 15+ years failed on suspension.
Listen for knocks over bumps and speed humps, and check the car sits level. Push down on each corner: it should settle rather than keep bouncing.
2. Lights and electrics
Recorded in 37.9% of failed Audi A3 MOTs. 21.4% of tests at 15+ years failed on lights and electrics, against 1.3% at 0–3 years.
Walk round with the lights on: headlights (dipped and main), indicators, brake lights, fog light and number-plate lamp. Check the dashboard warning lights come on with the ignition, then go out once the engine starts.
3. Tyres
Recorded in 33.2% of failed Audi A3 MOTs.
Check tread depth across the whole width of every tyre, including the inner edge. Uneven wear can point to alignment or suspension problems. Look for cuts and bulges in the sidewalls.
4. Brakes
Recorded in 29.4% of failed Audi A3 MOTs. Rare on young cars, but 15.7% of tests at 15+ years failed on brakes.
On the test drive, the car should stop straight without pulling or juddering, and the handbrake should hold it on a slope. Look through the wheels for scored or heavily lipped discs.
5. Exhaust, emissions and leaks
Recorded in 12.5% of failed Audi A3 MOTs. Rare on young cars, but 7.9% of tests at 15+ years failed on exhaust, emissions and leaks.
Look under the car for fresh oil or coolant, and listen for blows or rattles from the exhaust. Watch for smoke from the tailpipe when the engine starts and when you accelerate.
Check the car’s own MOT history. Averages describe the model, not the car in front of you. Look up its registration for past failures, advisories that were never fixed, and gaps or dips in the recorded mileage.
Ask for the service history. Invoices show what was done and when; a stamp alone shows less. See how to check Audi service history and what a service history check can tell you.
Related Audi models
- Audi A4 — 80.0% pass rate
- Audi A1 — 82.9% pass rate
- Audi A5 — 85.0% pass rate
- Audi Q3 — 87.6% pass rate
- Audi A6 — 85.3% pass rate
- Audi TT — 83.4% pass rate
Frequently asked questions
- What is the MOT pass rate for the Audi A3?
- 82.2% of Audi A3 MOT tests pass, based on 710,267 tests in the DVSA anonymised MOT tests and results dataset.
- What are the most common MOT failures for the Audi A3?
- The most common reason the Audi A3 fails its MOT is suspension — present in 39.6% of failed tests, most often logged as "Ball joint dust cover no longer prevents the ingress of dirt".
- What are the common problems with the Audi A3?
- Going by its MOT results, the most common problem areas on the Audi A3 are suspension; lights and electrics; tyres. Rare on young cars, but 22.3% of tests at 15+ years failed on suspension.
- What should I check when buying a used Audi A3?
- Start with the areas it most often fails its MOT on: suspension; lights and electrics; tyres; brakes; exhaust, emissions and leaks. Then check the specific car's MOT history by registration for failures, advisories and mileage, and ask the seller for service invoices.
- Does this show the Audi A3's service history?
- No — this is MOT test data, which covers roadworthiness, not servicing. A service history is a separate record of maintenance work, which a specific car only has if its owner has kept it. See the Audi service history guide for how to check and keep one.