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Audi A6 S Line TDI QUATTRO S-a Reliability, MOT Pass Rate & Common Faults

Free Audi A6 S Line TDI QUATTRO S-a car check

Is the Audi A6 S Line TDI QUATTRO S-a reliable? We analysed 627 real MOT tests across 176 vehicles to find out.

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Data last updated: · Based on 627 real MOT tests
MOT Pass Rate
93.5%
Typical Mileage
82,446mi
Annual Mileage
10,322mi/yr
Est. Lifespan
yrs

The Audi A6 S Line TDI QUATTRO S-a is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Audi A6 S Line TDI QUATTRO S-a.

Specifications

Audi A6 S Line TDI QUATTRO S-a — specs & performance

Verified from DVLA & DVSA records

A snapshot of the engine, performance, dimensions, fuel economy and running costs for the Audi A6 S Line TDI QUATTRO S-a — drawn from official DVLA vehicle records and the DVSA fuel-economy database.

2967cc
Engine
272bhp
Power
5.7sec
0–62 mph
138g/km
CO₂

Engine & Performance

Engine size
2967cc
Power
272 BHP
0–62 mph
5.7 sec
Fuel type
Diesel

Body & Dimensions

Body type
Car
Common colour
Grey
Wheel plan
2 Axle Rigid Body

Fuel Economy

Fuel-economy data not held for this model.

Tax & Emissions

CO2 output
138 g/km Band E
Emission class
Not Available
Road tax (12 mo.)
£145
Road tax (6 mo.)
£79.75
Insurance group
42 of 50
Sources: DVLA vehicle register · VCA emissions data. Specifications reflect a representative Audi A6 S Line TDI QUATTRO S-a record and may vary by trim, year and option pack.

Audi A6 S Line TDI QUATTRO S-a Number Plates

Number plates registered to a Audi A6 S Line TDI QUATTRO S-a. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Audi A6 S Line TDI QUATTRO S-a Mileage — What's Normal?

How many miles does a typical Audi A6 S Line TDI QUATTRO S-a owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
7,752 mi/yr
Typical
10,322 mi/yr
Average
11,567 mi/yr
Heavy usage
14,457 mi/yr

Audi A6 S Line TDI QUATTRO S-a Mileage Distribution

Total mileage recorded across all Audi A6 S Line TDI QUATTRO S-a MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
82,446 mi
75th Percentile
106,862 mi
95th Percentile
138,834 mi
Max Recorded
185,205 mi

How Does the Audi A6 S Line TDI QUATTRO S-a Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Audi A6 S Line TDI QUATTRO S-a THIS CAR 93.5% 627 82,446 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
Piaggio Diesis 78.3% 1,121 10,095 mi 24 yrs

Compared to the Audi A3 (78.0% pass rate) and the Audi A4 (76.1% pass rate), the Audi A6 S Line TDI QUATTRO S-a outperforms both on MOT reliability.

Found a Audi A6 S Line TDI QUATTRO S-a 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 A6 S Line TDI QUATTRO S-a

Should you buy a used Audi A6 S Line TDI QUATTRO S-a?

The Audi A6 S Line TDI QUATTRO S-a has an overall MOT pass rate of 93.5% across 627 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

A typical Audi A6 S Line TDI QUATTRO S-a owner drives around 10,322 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 A6 S Line TDI QUATTRO S-a — Frequently Asked Questions

Is the Audi A6 S Line TDI QUATTRO S-a reliable?
Based on 627 MOT tests, the Audi A6 S Line TDI QUATTRO S-a has a 93.5% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Audi A6 S Line TDI QUATTRO S-a?
The most common failure point is general wear and tear.
How many miles does a Audi A6 S Line TDI QUATTRO S-a do per year?
The typical Audi A6 S Line TDI QUATTRO S-a does around 10,322 miles per year. Anything significantly above or below this is worth investigating.
How long does a Audi A6 S Line TDI QUATTRO S-a last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Audi A6 S Line TDI QUATTRO S-a?
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.