2020 Audi S4 3.0 TDI V6
Price: £23,990. Fair price: £1,345 (5%) over the AskCar estimate of £22,645, our expected asking price for this car from its model, age, mileage and specification, drawing on 93 priced Audi S4 adverts on AskCar as of 6 November 2026.
AskCar lists 95 used Audi S4 from 84 UK dealerships, as of 6 November 2026.
Overview
- Make: Audi
- Model: S4
- Version: 3.0 TDI V6 Tiptronic 4WD Euro 6 (s/s) 4dr (342 bhp)
- Year: 2020
- Mileage: 74,640 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: 160 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi S4 is advertised with 74,640 miles, approximately 13,700 above the typical mileage for its age. The dealer is asking £23,990, which is £1,345 above the AskCar estimate of £22,645. To work out the AskCar estimate, we analyse UK dealer adverts for 93 Audi S4 cars across different ages and specifications. It first appeared in our advert records 21 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Quattro Tech Cars in St Ives. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £1,345 (5%) over the AskCar estimate of £22,645.
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 93 priced Audi S4 adverts across different ages and specifications, as of 6 November 2026.
A 2020 Audi S4 with the 3.0 diesel engine is typically advertised at £24,700: the median of the 13 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2020 Audi S4 has been on sale for at least 21 days.
Price history
AskCar first saw this advert on 16 October 2026 at £23,990. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 30 January 2027.
It has had 4 MOTs. The latest, on 20 January 2026, passed.
Advisories at the latest test: offside rear child seat fitted not allowing full inspection of adult belt.
Mileage at that test: 66,053 miles, which matches the advertised 74,640 miles.
Advertised mileage is about 13,700 miles higher than the median mileage of a 2020 Audi S4 on AskCar.
Browse all Audi S4 cars for sale · 2020 Audi S4 price guide
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Photos
58 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.