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Audi A4 S Line TDI Auto Reliability, MOT Pass Rate & Common Faults

Free Audi A4 S Line TDI Auto car check

Is the Audi A4 S Line TDI Auto reliable? We analysed 1,066 real MOT tests across 193 vehicles to find out.

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Data last updated: · Based on 1,066 real MOT tests
MOT Pass Rate
74.3%
Typical Mileage
140,819mi
Annual Mileage
8,470mi/yr
Est. Lifespan
yrs

The Audi A4 S Line TDI Auto 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 Auto.

Audi A4 S Line TDI Auto Number Plates

Number plates registered to a Audi A4 S Line TDI Auto. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi A4 S Line TDI Auto Mileage — What's Normal?

How many miles does a typical Audi A4 S Line TDI Auto owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
5,649 mi/yr
Typical
8,470 mi/yr
Average
9,104 mi/yr
Heavy usage
11,572 mi/yr

Audi A4 S Line TDI Auto Mileage Distribution

Total mileage recorded across all Audi A4 S Line TDI Auto MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
140,819 mi
75th Percentile
162,483 mi
95th Percentile
198,818 mi
Max Recorded
1,442,204 mi

How Does the Audi A4 S Line TDI Auto 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 Auto THIS CAR 74.3% 1,066 140,819 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
Fiat Uno 60 S 62.8% 444 69,690 mi 36 yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A4 S Line TDI Auto trails behind on MOT reliability.

Found a Audi A4 S Line TDI Auto you like?

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Should you buy a used Audi A4 S Line TDI Auto?

The Audi A4 S Line TDI Auto has an overall MOT pass rate of 74.3% across 1,066 real MOT tests — roughly in line with the UK average.

A typical Audi A4 S Line TDI Auto owner drives around 8,470 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.

Audi A4 S Line TDI Auto — Frequently Asked Questions

Is the Audi A4 S Line TDI Auto reliable?
Based on 1,066 MOT tests, the Audi A4 S Line TDI Auto has a 74.3% pass rate — about average for UK cars.
What are the common problems on a Audi A4 S Line TDI Auto?
The most common failure point is general wear and tear.
How many miles does a Audi A4 S Line TDI Auto do per year?
The typical Audi A4 S Line TDI Auto does around 8,470 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi A4 S Line TDI Auto last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi A4 S Line TDI Auto?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.