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Audi A4 S Line TDI 140 Reliability, MOT Pass Rate & Common Faults

Free Audi A4 S Line TDI 140 car check

Is the Audi A4 S Line TDI 140 reliable? We analysed 3,394 real MOT tests across 694 vehicles to find out.

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Data last updated: · Based on 3,394 real MOT tests
MOT Pass Rate
76.1%
Typical Mileage
150,464mi
Annual Mileage
7,074mi/yr
Est. Lifespan
yrs

The Audi A4 S Line TDI 140 is above 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 140.

Audi A4 S Line TDI 140 Number Plates

Number plates registered to a Audi A4 S Line TDI 140. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi A4 S Line TDI 140 Mileage — What's Normal?

How many miles does a typical Audi A4 S Line TDI 140 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
4,323 mi/yr
Typical
7,074 mi/yr
Average
7,764 mi/yr
Heavy usage
10,373 mi/yr

Audi A4 S Line TDI 140 Mileage Distribution

Total mileage recorded across all Audi A4 S Line TDI 140 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
150,464 mi
75th Percentile
175,745 mi
95th Percentile
216,938 mi
Max Recorded
2,016,018 mi

How Does the Audi A4 S Line TDI 140 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 140 THIS CAR 76.1% 3,394 150,464 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
Harley-davidson Vrsca V-rod 89.8% 1,045 5,639 mi 24 yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A4 S Line TDI 140 sits in the middle of the pack on MOT reliability.

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Should you buy a used Audi A4 S Line TDI 140?

The Audi A4 S Line TDI 140 has an overall MOT pass rate of 76.1% across 3,394 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

A typical Audi A4 S Line TDI 140 owner drives around 7,074 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 140 — Frequently Asked Questions

Is the Audi A4 S Line TDI 140 reliable?
Based on 3,394 MOT tests, the Audi A4 S Line TDI 140 has a 76.1% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Audi A4 S Line TDI 140?
The most common failure point is general wear and tear.
How many miles does a Audi A4 S Line TDI 140 do per year?
The typical Audi A4 S Line TDI 140 does around 7,074 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi A4 S Line TDI 140 last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi A4 S Line TDI 140?
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.