2021 Audi S4 Avant 3.0 Black Edition
Price: £35,995. Fair price: £1,605 (4%) over the AskCar estimate of £34,390, 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
- Trim: Black Edition
- Version: 3.0 TDI Black Edition Tiptronic 4WD Euro 6 5dr (336 bhp)
- Year: 2021
- Mileage: 40,076 miles
- Fuel: Diesel
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 336 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 191 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Audi S4 Avant Black Edition has covered 40,076 miles. The AskCar estimate for this car is £34,390. It is priced at £35,995, which is £1,605 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 126 Audi S4 Avant cars across different ages and specifications. We have tracked this advert for 43 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Autocentre Inverurie, based in Invervrie. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Fair price: £1,605 (4%) over the AskCar estimate of £34,390.
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.
Time on sale
This 2021 Audi S4 Avant has been on sale for at least 43 days.
Price history
AskCar first saw this advert on 25 September 2026 at £35,995. 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 7 November 2026: valid until 5 December 2026.
It has had 2 MOTs. The latest, on 10 November 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 36,113 miles, which matches the advertised 40,076 miles.
Similar cars
1 other 2021 Audi S4 Avant Black Edition 3.0 diesel automatic estate is for sale at UK dealers, as of 7 November 2026.
The closest to this car in mileage:
- 2021 Audi S4 Avant Black Edition, 3.0 diesel estate, blue. Mileage: 53,640 miles. Price: £29,400, £6,595 less than this car. Dealer: Sytner Select Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/audi-s4-avant-2021-819f7423683d
Browse all Audi S4 Avant cars for sale · 2021 Audi S4 Avant price guide
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Photos
42 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.