2020 Audi A6 Saloon

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

£14,990

Far under the typical £20,039 for this model, age and mileage, drawing on 858 adverts of this make and model: £5,049 less. Worth asking why.

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: 45,420 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: Black
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 45,420 miles, around 11,300 fewer than typical for its age. At £14,990, this car is advertised £5,049 below our estimated market asking price of £20,039. This is a large difference, so check the price and vehicle details with the dealer. We use UK dealer asking prices, including 858 Audi A6 Saloon listings, and account for the car’s age, mileage and specification. This car was first seen in our listings data 5 days ago. Its recorded MOT is valid until 29 September 2027, and its advertised mileage is consistent with the latest MOT reading. The seller is B&T Autos, based in Rainham.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 16 October 2026, 5 days ago. Advert duration calculated on 21 October 2026.

Recorded asking prices
Date observed	Asking price
16 October 2026	£14,990
20 October 2026	£14,990

Price and mileage comparison

Estimated market asking price: £20,039. The asking price is £5,049 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.

Advertised mileage is approximately 11,300 miles lower than typical for a 2020 Audi A6 Saloon.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 29 September 2027. 45,356 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
£17,900	85,942 miles
£17,995	90,200 miles

These cars have covered 28,000–167,007 miles, compared with 45,420 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

B&T Autos, Rainham. Across the dealer network: 39 cars for sale.

Dealer postcode: RM13 9EB.