2020 Audi S4 Avant 3.0 TDI V6
Price: £29,995. Fair price: £1,439 (4%) under the AskCar estimate of £31,434, our expected asking price for this car from its model, age, mileage and specification, drawing on 126 priced Audi S4 Avant adverts on AskCar as of 7 November 2026.
AskCar lists 128 used Audi S4 Avant from 118 UK dealerships, as of 7 November 2026.
Overview
- Make: Audi
- Model: S4 Avant
- Version: 3.0 TDI V6 Tiptronic 4WD Euro 6 (s/s) 5dr (342 bhp)
- Year: 2020
- Mileage: 41,000 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 342 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 163 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2020 Audi S4 Avant is advertised with 41,000 miles, approximately 19,900 below the typical mileage for its age. The dealer is asking £29,995, which is £1,439 below the AskCar estimate of £31,434. To work out the AskCar estimate, we analyse UK dealer adverts for 126 Audi S4 Avant cars across different ages and specifications. Since we first spotted the advert 84 days ago, the asking price has dropped by £1,000. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Midlands Motor House in Brierley Hill. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £1,439 (4%) under the AskCar estimate of £31,434.
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 126 priced Audi S4 Avant adverts across different ages and specifications, as of 7 November 2026.
A 2020 Audi S4 Avant with the 3.0 diesel engine is typically advertised at £27,700: the median of the 21 for sale on AskCar, as of 7 November 2026.
Time on sale
This 2020 Audi S4 Avant has been on sale for at least 84 days.
Price history
AskCar first saw this advert on 15 August 2026 at £30,995. Its asking price is now £29,995, £1,000 less. The latest price cut was seen on 18 September 2026.
Price changes recorded:
- 15 August 2026: £30,995
- 9 September 2026: £30,495
- 18 September 2026: £29,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 2 June 2027.
It has had 5 MOTs. The latest, on 3 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 36,436 miles, which matches the advertised 41,000 miles.
Advertised mileage is about 19,900 miles lower than the median mileage of a 2020 Audi S4 Avant on AskCar.
Browse all Audi S4 Avant cars for sale · 2020 Audi S4 Avant price guide
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Photos
38 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.