2018 Audi S4 3.0
Version: 3.0 V6 TFSI Tiptronic 4WD Euro 6 4dr (349 bhp)
Price: £20,900. Fair price: £47 (under 1%) over the AskCar estimate of £20,853, our expected asking price for this car from its model, age, mileage and specification, drawing on 85 priced Audi S4 adverts on AskCar as of 31 October 2026.
AskCar lists 87 used Audi S4 from 75 UK dealerships, as of 31 October 2026.
Overview
- Make
- Audi
- Model
- S4
- Version
- 3.0 V6 TFSI Tiptronic 4WD Euro 6 4dr (349 bhp)
- Mileage
- 55,465 miles
- Year
- 2018
- Fuel type
- Petrol
- Body type
- Saloon
- Engine
- 3.0 L
- Gearbox
- Automatic
- Power
- 349 bhp
- Seats
- 5
- CO2
- 174 g/km
- Colour
- Red
- Doors
- 4
- Driven wheels
- Four Wheel Drive
- Gearbox version
- Tiptronic
- Emissions standard
- Euro 6
About this car
With 55,465 miles on the clock, this 2018 Audi S4 has done roughly 9,100 fewer miles than a typical 2018 Audi S4. The dealer is asking £20,900, which is £47 above the AskCar estimate of £20,853. To work out the AskCar estimate, we analyse UK dealer adverts for 85 Audi S4 cars across different ages and specifications. We have tracked this advert for 2 days. MOT records show an expiry date of 29 July 2027, and the latest recorded mileage is consistent with the advert. The seller is Sytner Select Northampton, based in Northampton.
Stock data as of 31 October 2026.
Price history
AskCar first saw this advert on 29 October 2026, 2 days ago.
| Date observed | Asking price |
|---|---|
| 29 October 2026 | £20,900 |
| 31 October 2026 | £20,900 |
Price and mileage comparison
Fair price: £47 (under 1%) over the AskCar estimate of £20,853.
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 85 priced Audi S4 adverts across different ages and specifications, as of 31 October 2026.
Advertised mileage is about 9,100 miles lower than the median mileage of a 2018 Audi S4 on AskCar.
The advertised mileage is consistent with the last MOT reading.
MOT
MOT: valid until 29 July 2027. 54,483 miles at the last test.
Other matching cars
16 other 2018 Audi S4 automatic petrol cars are for sale at UK dealers from £14,995 to £23,995, as of 31 October 2026.
The 5 cheapest:
- 2018 Audi S4. Price: £14,995. Mileage: 70,826 miles. Dealer: United Traders Yardley in Birmingham. AskCar page: https://askcar.co.uk/car/audi-s4-2018-d16bd6fe0178
- 2018 Audi S4. Price: £16,195. Mileage: 81,500 miles. Dealer: Pavilion Motor Company in Oldham. AskCar page: https://askcar.co.uk/car/audi-s4-2018-353a701c0e40
- 2018 Audi S4. Price: £16,999. Mileage: 90,000 miles. Dealer: Larks Motor Group in Great Gransden. AskCar page: https://askcar.co.uk/car/audi-s4-2018-1f5ca84fbb2e
- 2018 Audi S4. Price: £17,499. Mileage: 74,911 miles. Dealer: Lookers in Newtownabbey. AskCar page: https://askcar.co.uk/car/audi-s4-2018-35e3ba109f1c
- 2018 Audi S4. Price: £17,990. Mileage: 69,000 miles. Dealer: Park Road Garage in Bedford. AskCar page: https://askcar.co.uk/car/audi-s4-2018-d7ea84e4ed4d
The 16 matching cars have covered 15,778 to 90,000 miles, compared with 55,465 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all Audi S4 cars for sale · 2018 Audi S4 price guide
Photos
9 photos of this car are on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 31 October 2026, AskCar lists 583,548 cars and vans from 12,716 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.