Audi A4 S Line TDI 170 Reliability, MOT Pass Rate & Common Faults
Free Audi A4 S Line TDI 170 car check
Is the Audi A4 S Line TDI 170 reliable? We analysed 1,026 real MOT tests across 188 vehicles to find out.
Got a specific Audi A4 S Line TDI 170? Enter the reg for a free check:
The Audi A4 S Line TDI 170 is about average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Audi A4 S Line TDI 170.
Audi A4 S Line TDI 170 Number Plates
Number plates registered to a Audi A4 S Line TDI 170. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.
Audi A4 S Line TDI 170 Mileage — What's Normal?
How many miles does a typical Audi A4 S Line TDI 170 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.
Audi A4 S Line TDI 170 Mileage Distribution
Total mileage recorded across all Audi A4 S Line TDI 170 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.
How Does the Audi A4 S Line TDI 170 Compare?
MOT pass rates compared to similar models. Click any model for the full breakdown.
| Model | Pass Rate | Tests | Typical Mileage | Lifespan |
|---|---|---|---|---|
| Audi A4 S Line TDI 170 THIS CAR | 74.3% | 1,026 | 148,574 mi | — yrs |
| Audi A3 | 78% | 7,415,025 | 78,776 mi | 29 yrs |
| Audi A4 | 76.1% | 7,096,957 | 96,834 mi | 31 yrs |
| Audi A6 | 78.4% | 2,724,792 | 98,890 mi | 31 yrs |
| Ford Bronco | 76.2% | 736 | 49,872 mi | 39 yrs |
Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A4 S Line TDI 170 trails behind on MOT reliability.
Found a Audi A4 S Line TDI 170 you like?
Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.
Check a specific Audi A4 S Line TDI 170Should you buy a used Audi A4 S Line TDI 170?
The Audi A4 S Line TDI 170 has an overall MOT pass rate of 74.3% across 1,026 real MOT tests — roughly in line with the UK average.
A typical Audi A4 S Line TDI 170 owner drives around 6,834 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.
Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.