2018 Audi S4 3.0 TFSI V6
Price: £14,995. Good value: £3,369 (18%) under the AskCar estimate of £18,364, our expected asking price for this car from its model, age, mileage and specification, drawing on 88 priced Audi S4 adverts on AskCar as of 2 November 2026.
AskCar lists 90 used Audi S4 from 78 UK dealerships, as of 2 November 2026.
Overview
- Make: Audi
- Model: S4
- Version: 3.0 TFSI V6 Tiptronic 4WD Euro 6 (s/s) 4dr (349 bhp)
- Year: 2018
- Mileage: 70,826 miles
- Fuel: Petrol
- Body: Saloon, 4 doors, 5 seats
- Engine: 3.0 litres, 349 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 174 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi S4 has covered 70,826 miles, around 6,200 more miles than is typical for its age. The dealer is asking £14,995, which is £3,369 below the AskCar estimate of £18,364. To work out the AskCar estimate, we analyse UK dealer adverts for 88 Audi S4 cars across different ages and specifications. This car was first seen in our listings data 30 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at United Traders Yardley in Birmingham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £3,369 (18%) under the AskCar estimate of £18,364.
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 88 priced Audi S4 adverts across different ages and specifications, as of 2 November 2026.
A 2018 Audi S4 with the 3.0 petrol engine is typically advertised at £20,000: the median of the 17 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2018 Audi S4 has been on sale for at least 30 days.
Price history
AskCar first saw this advert on 3 October 2026 at £14,995. Its asking price has not changed.
Price changes recorded:
- 3 October 2026: £14,995
- 22 October 2026: £13,995
- 23 October 2026: £14,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 1 December 2026.
It has had 7 MOTs. The latest, on 29 November 2025, passed.
Advisories at the latest test: rear brake disc worn, but not excessively both; rear brake pad(s) wearing thin.
Mileage at that test: 63,530 miles, which matches the advertised 70,826 miles.
Advertised mileage is about 6,200 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
73 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.