2018 Audi S4 Avant 3.0 TFSI V6
Price: £18,900. Good value: £2,312 (10%) under the AskCar estimate of £21,212, our expected asking price for this car from its model, age, mileage and specification, drawing on 128 priced Audi S4 Avant adverts on AskCar as of 6 November 2026.
AskCar lists 129 used Audi S4 Avant from 117 UK dealerships, as of 6 November 2026.
Overview
- Make: Audi
- Model: S4 Avant
- Version: 3.0 TFSI V6 Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)
- Year: 2018
- Mileage: 75,070 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 349 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: White
- CO2: 175 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi S4 Avant has covered 75,070 miles, around 4,000 more miles than is typical for its age. Priced at £18,900, it is advertised £2,312 below the AskCar estimate of £21,212. The AskCar estimate uses UK dealer asking prices, including 128 Audi S4 Avant adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 75 days ago, and its asking price has since fallen by £3,000. Its advertised mileage matches the government's MOT record. The seller is Sytner Select Northampton, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Good value: £2,312 (10%) under the AskCar estimate of £21,212.
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 128 priced Audi S4 Avant adverts across different ages and specifications, as of 6 November 2026.
A 2018 Audi S4 Avant with the 3.0 petrol engine is typically advertised at £21,500: the median of the 20 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2018 Audi S4 Avant has been on sale for at least 75 days.
Price history
AskCar first saw this advert on 23 August 2026 at £21,900. Its asking price is now £18,900, £3,000 less. The latest price cut was seen on 29 October 2026.
Price changes recorded:
- 23 August 2026: £21,900
- 17 September 2026: £20,900
- 26 September 2026: £20,650
- 8 October 2026: £20,400
- 16 October 2026: £19,750
- 22 October 2026: £19,400
- 29 October 2026: £18,900
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 6 November 2026: valid until 13 April 2027.
It has had 6 MOTs. The latest, on 17 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 72,130 miles, which matches the advertised 75,070 miles.
Advertised mileage is about 4,000 miles higher than the median mileage of a 2018 Audi S4 Avant on AskCar.
Browse all Audi S4 Avant cars for sale · 2018 Audi S4 Avant price guide
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Photos
29 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.