2020 Audi A6 Saloon

2.0 TDI S Line S tronic FWD Euro 6 4dr 40 (201 bhp)

£18,799

Fair price: within 8% of the typical £18,908 for this model, age and mileage, drawing on 858 adverts of this make and model.

Overview

Make: Audi
Model: A6 Saloon
Trim: S LINE
Version: 2.0 TDI S Line S tronic FWD Euro 6 4dr 40 (201 bhp)
Mileage: 56,690 miles
Year: 2020
Fuel type: Diesel
Body type: Saloon
Engine: 2.0 L
Gearbox: Automatic
Power: 201 bhp
Seats: 5
CO2: 142 g/km
Colour: Grey
Doors: 4
Driven wheels: Front Wheel Drive
Gearbox version: S tronic
Engine badge: TDI
Emissions standard: Euro 6

About this car

This 2020 Audi A6 Saloon S Line has covered 56,690 miles. The dealer is asking £18,799, which is £109 below our market estimate of £18,908. To estimate its market asking price, we analyse UK dealer adverts for 858 Audi A6 Saloon cars across different ages and specifications. We first recorded this advert 29 days ago, and its asking price has since fallen by £700. The latest MOT record shows an expiry date of 30 July 2027, with the advertised mileage consistent with the recorded reading. It is advertised by cinch in Tunbridge Wells.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 September 2026, 29 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £700 from the first recorded £19,499. 3 price reductions recorded, the latest observed on 9 October 2026.

Recorded asking prices
Date observed	Asking price
22 September 2026	£19,499
23 September 2026	£19,299
1 October 2026	£18,899
9 October 2026	£18,799
20 October 2026	£18,799

Price and mileage comparison

Estimated market asking price: £18,908. The asking price is £109 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 858 adverts of this make and model across different ages and specifications.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 30 July 2027. 54,959 miles at the last test.

16 other cars with the same year, trim, gearbox and fuel are for sale from £11,995 to £22,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£11,995	167,007 miles
£13,995	121,848 miles
£13,995	111,302 miles
£14,990	45,420 miles
£17,900	85,942 miles

These cars have covered 28,000–167,007 miles, compared with 56,690 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 · 2020 Audi A6 Saloon price guide

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Dealer

cinch, Tunbridge Wells. Across the dealer network: 134 branches, 10,656 cars for sale.

Dealer postcode: TN2 3UY.