2018 Audi S4 3.0
Price: £17,299. Fair price: £1,151 (6%) under the AskCar estimate of £18,450, our expected asking price for this car from its model, age, mileage and specification, drawing on 92 priced Audi S4 adverts on AskCar as of 5 November 2026.
AskCar lists 95 used Audi S4 from 83 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: S4
- Version: 3.0 V6 TFSI Tiptronic 4WD Euro 6 4dr (349 bhp)
- Year: 2018
- Mileage: 74,911 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 349 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 174 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi S4 is advertised with 74,911 miles, approximately 10,600 above the typical mileage for its age. The AskCar estimate for this car is £18,450. It is priced at £17,299, which is £1,151 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 92 Audi S4 cars across different ages and specifications. We first saw this car advertised 15 days ago. Its asking price has since fallen by £200. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Lookers in Newtownabbey. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £1,151 (6%) under the AskCar estimate of £18,450.
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 92 priced Audi S4 adverts across different ages and specifications, as of 5 November 2026.
A 2018 Audi S4 with the 3.0 petrol engine is typically advertised at £20,000: the median of the 16 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2018 Audi S4 has been on sale for at least 15 days.
Price history
AskCar first saw this advert on 21 October 2026 at £17,499. Its asking price is now £17,299, £200 less. The latest price cut was seen on 1 November 2026.
Price changes recorded:
- 21 October 2026: £17,499
- 1 November 2026: £17,299
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 27 March 2027.
It has had 4 MOTs. The latest, on 28 March 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 69,885 miles, which matches the advertised 74,911 miles.
Advertised mileage is about 10,600 miles higher than the median mileage of a 2018 Audi S4 on AskCar.
Browse all Audi S4 cars for sale · 2018 Audi S4 price guide
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Photos
31 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.