2021 Audi A6 Saloon

2.0 TDI S Line S tronic 4WD Euro 6 4dr (201 bhp)

£21,000

Fair price: within 8% of the typical £22,379 for this model, age and mileage, drawing on 864 adverts of this make and model.

Overview

Make
Audi
Model
A6 Saloon
Trim
S LINE
Version
2.0 TDI S Line S tronic 4WD Euro 6 4dr (201 bhp)
Mileage
54,000 miles
Year
2021
Fuel type
Diesel
Body type
Saloon
Engine
2.0 L
Gearbox
Automatic
Power
201 bhp
Seats
5
CO2
147 g/km
Colour
Black
Doors
4
Driven wheels
Four Wheel Drive
Gearbox version
S tronic
Engine badge
TDI
Emissions standard
Euro 6

About this car

The advertised mileage for this 2021 Audi A6 Saloon S Line is 54,000 miles. Our estimated market asking price is £22,379. This car is advertised at £21,000, which is £1,379 below that figure. We use UK dealer asking prices, including 864 Audi A6 Saloon listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 13 days ago. The latest MOT record shows an expiry date of 1 May 2027, with the advertised mileage consistent with the recorded reading. It is for sale at GMC Cars Online in Lingfield.

Stock data from 21 October 2026.

How we estimate prices and check cars

Price history

First seen on 9 October 2026, 13 days ago. Advert duration calculated on 22 October 2026.

Recorded asking prices
Date observedAsking price
9 October 2026£21,000
21 October 2026£21,000

Price and mileage comparison

Estimated market asking price: £22,379. The asking price is £1,379 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 864 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,800 miles lower than typical for a 2021 Audi A6 Saloon.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 1 May 2027. 50,311 miles at the last test.

15 other cars with the same year, trim, gearbox and fuel are for sale from £15,840 to £23,395.

Other matching cars (up to five, cheapest first)
Asking priceMileage
£15,84091,045 miles
£16,49597,450 miles
£16,70079,921 miles
£16,99592,280 miles
£17,99572,952 miles

These cars have covered 25,889–97,450 miles, compared with 54,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all Audi A6 Saloon cars for sale · 2021 Audi A6 Saloon price guide

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos