2018 Audi S4 Avant 3.0 TFSI V6

Price: £24,889. Fair price: £671 (2%) over the AskCar estimate of £24,218, 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 2 November 2026.

AskCar lists 128 used Audi S4 Avant from 117 UK dealerships, as of 2 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: 56,500 miles
  • Fuel: Petrol
  • Body: Estate, 5 doors, 5 seats
  • Engine: 3.0 litres, 349 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Four-wheel drive
  • Colour: Blue
  • CO2: 175 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi S4 Avant is advertised with 56,500 miles, approximately 15,100 below the typical mileage for its age. Its asking price of £24,889 is £671 above the AskCar estimate of £24,218. 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 32 days ago, and its asking price has since fallen by £400. The government's MOT record matches its advertised mileage. It is advertised by Stonebrook Motors in Longford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £671 (2%) over the AskCar estimate of £24,218.

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 2 November 2026.

A 2018 Audi S4 Avant with the 3.0 petrol engine is typically advertised at £22,000: the median of the 21 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi S4 Avant has been on sale for at least 32 days.

Price history

AskCar first saw this advert on 1 October 2026 at £25,289. Its asking price is now £24,889, £400 less. The latest price cut was seen on 12 October 2026.

Price changes recorded:

  • 1 October 2026: £25,289
  • 12 October 2026: £24,889

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 15 July 2027.

It has had 6 MOTs. The latest, on 1 July 2026, passed.

Advisories at the latest test: nearside front upper suspension arm pin or bush worn but not resulting in excessive movement both arms; offside front upper suspension arm pin or bush worn but not resulting in excessive movement both arms; nearside rear tyre worn close to legal limit/worn on edge 2.6 mm; and 1 more.

Mileage at that test: 52,964 miles, which matches the advertised 56,500 miles.

Advertised mileage is about 15,100 miles lower 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

87 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.