2018 Audi S4 Avant 3.0 TFSI V6
Price: £19,820. Good value: £1,994 (9%) under the AskCar estimate of £21,814, 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 TFSI V6 Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)
- Year: 2018
- Mileage: 71,119 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 71,119 miles. Its asking price of £19,820 is £1,994 below the AskCar estimate of £21,814. The AskCar estimate uses 126 UK dealer adverts for the Audi S4 Avant, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 70 days ago, and its asking price has since fallen by £560. Its advertised mileage matches the government's MOT record. The seller is Evans Halshaw Ford Milton Keynes, based in Milton Keynes. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Good value: £1,994 (9%) under the AskCar estimate of £21,814.
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 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 7 November 2026.
Time on sale
This 2018 Audi S4 Avant has been on sale for at least 70 days.
Price history
AskCar first saw this advert on 29 August 2026 at £20,380. Its asking price is now £19,820, £560 less. The latest price cut was seen on 20 October 2026.
Price changes recorded:
- 29 August 2026: £20,380
- 22 September 2026: £20,160
- 7 October 2026: £20,040
- 20 October 2026: £19,820
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 26 August 2027.
It has had 8 MOTs. The latest, on 27 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 71,120 miles, which matches the advertised 71,119 miles.
Browse all Audi S4 Avant cars for sale · 2018 Audi S4 Avant price guide
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Photos
23 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.