2020 Audi S4 3.0 TDI V6

Overview

• Make: Audi
• Model: S4
• Version: 3.0 TDI V6 Tiptronic 4WD Euro 6 (s/s) 4dr (342 bhp)
• Year: 2020
• Mileage: 64,368 miles
• Fuel: Diesel
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 342 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 182 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 Audi S4 is advertised with 64,368 miles, approximately 4,100 above the typical mileage for its age. The dealer is asking £22,806, which is £1,367 below the AskCar estimate of £24,173. To work out the AskCar estimate, we analyse UK dealer adverts for 91 Audi S4 cars across different ages and specifications. Since we first spotted the advert 12 days ago, the asking price has dropped by £952. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Carbase Bristol, based in Bristol. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,367 (5%) under the AskCar estimate of £24,173.

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

It draws on 91 priced Audi S4 adverts across different ages and specifications, as of 4 November 2026.

A 2020 Audi S4 with the 3.0 diesel engine is typically advertised at £24,800: the median of the 12 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2020 Audi S4 has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 23 October 2026 at £23,758. Its asking price is now £22,806, £952 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 23 October 2026: £23,758
• 27 October 2026: £23,419
• 28 October 2026: £23,068
• 29 October 2026: £22,944
• 31 October 2026: £22,867
• 3 November 2026: £22,806

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 1 May 2027.

It has had 6 MOTs. The latest, on 1 May 2026, passed.

Advisories at the latest test: rear registration plate deteriorated but not likely to be misread.

Mileage at that test: 60,014 miles, which matches the advertised 64,368 miles.

Advertised mileage is about 4,100 miles higher than the median mileage of a 2020 Audi S4 on AskCar.