2018 Audi S4 Avant 3.0 TFSI V6
Price: £21,000. Fair price: £334 (1%) over the AskCar estimate of £20,666, 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 8 November 2026.
AskCar lists 129 used Audi S4 Avant from 117 UK dealerships, as of 8 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: 78,867 miles
- Fuel: Petrol
- Body: Estate, 5 doors, 5 seats
- Engine: 3.0 litres, 349 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 175 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi S4 Avant is advertised with 78,867 miles, approximately 7,700 above the typical mileage for its age. Its asking price of £21,000 is £334 above the AskCar estimate of £20,666. The AskCar estimate uses 128 UK dealer adverts for the Audi S4 Avant, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 60 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Cheadle Car Sales, based in Cheadle. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £334 (1%) over the AskCar estimate of £20,666.
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 8 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 8 November 2026.
Time on sale
This 2018 Audi S4 Avant has been on sale for at least 60 days.
Price history
AskCar first saw this advert on 9 September 2026 at £21,000. 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 8 November 2026: valid until 16 December 2026.
It has had 8 MOTs. The latest, on 17 December 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 73,800 miles, which matches the advertised 78,867 miles.
Advertised mileage is about 7,700 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
42 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 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.