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Audi A4 S Line TDI 115 Reliability, MOT Pass Rate & Common Faults

Free Audi A4 S Line TDI 115 car check

Is the Audi A4 S Line TDI 115 reliable? We analysed 777 real MOT tests across 160 vehicles to find out.

Got a specific Audi A4 S Line TDI 115? Enter the reg for a free check:

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Data last updated: · Based on 777 real MOT tests
MOT Pass Rate
73.1%
Typical Mileage
163,476mi
Annual Mileage
7,314mi/yr
Est. Lifespan
yrs

The Audi A4 S Line TDI 115 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 115.

Audi A4 S Line TDI 115 Number Plates

Number plates registered to a Audi A4 S Line TDI 115. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi A4 S Line TDI 115 Mileage — What's Normal?

How many miles does a typical Audi A4 S Line TDI 115 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
5,230 mi/yr
Typical
7,314 mi/yr
Average
8,538 mi/yr
Heavy usage
11,313 mi/yr

Audi A4 S Line TDI 115 Mileage Distribution

Total mileage recorded across all Audi A4 S Line TDI 115 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
163,476 mi
75th Percentile
190,787 mi
95th Percentile
257,988 mi
Max Recorded
1,655,165 mi

How Does the Audi A4 S Line TDI 115 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 115 THIS CAR 73.1% 777 163,476 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
Honda Civic Elegance I-mmd CVT 93.5% 275 21,534 mi — yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A4 S Line TDI 115 trails behind on MOT reliability.

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Should you buy a used Audi A4 S Line TDI 115?

The Audi A4 S Line TDI 115 has an overall MOT pass rate of 73.1% across 777 real MOT tests — roughly in line with the UK average.

A typical Audi A4 S Line TDI 115 owner drives around 7,314 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 115 — Frequently Asked Questions

Is the Audi A4 S Line TDI 115 reliable?
Based on 777 MOT tests, the Audi A4 S Line TDI 115 has a 73.1% pass rate — about average for UK cars.
What are the common problems on a Audi A4 S Line TDI 115?
The most common failure point is general wear and tear.
How many miles does a Audi A4 S Line TDI 115 do per year?
The typical Audi A4 S Line TDI 115 does around 7,314 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi A4 S Line TDI 115 last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi A4 S Line TDI 115?
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.