2018 Audi S4 Avant 3.0 TFSI V6

Price: £18,995. Fair price: £1,167 (6%) over the AskCar estimate of £17,828, 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: 100,186 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 100,186 miles, around 29,100 more miles than is typical for its age. Its asking price of £18,995 is £1,167 above the AskCar estimate of £17,828. To work out the AskCar estimate, we analyse UK dealer adverts for 126 Audi S4 Avant cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 85 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Motornova, based in Windsor and Maidenhead. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,167 (6%) over the AskCar estimate of £17,828.

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 85 days.

Price history

AskCar first saw this advert on 14 August 2026 at £19,495. Its asking price is now £18,995, £500 less. The latest price cut was seen on 30 August 2026.

Price changes recorded:

  • 14 August 2026: £19,495
  • 30 August 2026: £18,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 8 February 2027.

It has had 6 MOTs. The latest, on 19 January 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 95,410 miles, which matches the advertised 100,186 miles.

Advertised mileage is about 29,100 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

48 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.