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Audi A4 S Line 170 TDI Dpf Reliability, MOT Pass Rate & Common Faults

Free Audi A4 S Line 170 TDI Dpf car check

Is the Audi A4 S Line 170 TDI Dpf reliable? We analysed 855 real MOT tests across 143 vehicles to find out.

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Data last updated: · Based on 855 real MOT tests
MOT Pass Rate
78.8%
Typical Mileage
128,775mi
Annual Mileage
9,175mi/yr
Est. Lifespan
yrs

The Audi A4 S Line 170 TDI Dpf 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 170 TDI Dpf.

Audi A4 S Line 170 TDI Dpf Number Plates

Number plates registered to a Audi A4 S Line 170 TDI Dpf. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi A4 S Line 170 TDI Dpf Mileage — What's Normal?

How many miles does a typical Audi A4 S Line 170 TDI Dpf owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
6,051 mi/yr
Typical
9,175 mi/yr
Average
9,833 mi/yr
Heavy usage
12,725 mi/yr

Audi A4 S Line 170 TDI Dpf Mileage Distribution

Total mileage recorded across all Audi A4 S Line 170 TDI Dpf MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
128,775 mi
75th Percentile
158,086 mi
95th Percentile
209,081 mi
Max Recorded
2,318,967 mi

How Does the Audi A4 S Line 170 TDI Dpf 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 170 TDI Dpf THIS CAR 78.8% 855 128,775 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
Yamaha Xj 6 S Abs Diversion 88.2% 1,097 13,216 mi 17 yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A4 S Line 170 TDI Dpf outperforms both on MOT reliability.

Found a Audi A4 S Line 170 TDI Dpf you like?

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Should you buy a used Audi A4 S Line 170 TDI Dpf?

The Audi A4 S Line 170 TDI Dpf has an overall MOT pass rate of 78.8% across 855 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 170 TDI Dpf owner drives around 9,175 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 170 TDI Dpf — Frequently Asked Questions

Is the Audi A4 S Line 170 TDI Dpf reliable?
Based on 855 MOT tests, the Audi A4 S Line 170 TDI Dpf has a 78.8% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Audi A4 S Line 170 TDI Dpf?
The most common failure point is general wear and tear.
How many miles does a Audi A4 S Line 170 TDI Dpf do per year?
The typical Audi A4 S Line 170 TDI Dpf does around 9,175 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi A4 S Line 170 TDI Dpf last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi A4 S Line 170 TDI Dpf?
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.