2018 Audi S4 prices
15 cars from UK dealers, updated 23 October 2026. Typical asking price £20,000.
AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.
Half of the 15 priced 2018 Audi S4 cars for sale are priced between £17,700 and £21,000.
Typical mileage 64,000 miles.
1 have had their price cut since they were first listed.
Is the price fair?
The prices above describe the cars currently advertised. They are not a valuation of every car of this model and year. Open a car to see its expected asking price, adjusted for mileage and specification, alongside the available evidence.
Cars for sale now
The cheaper cars like each one are on its AskCar page.
- 2018 Audi S4, 70,826 miles, £14,995, £3,338 under typical, Birmingham
- 2018 Audi S4, 45,000 miles, £19,990, Keighley
- 2018 Audi S4, 81,500 miles, £16,195, Oldham
- 2018 Audi S4, 74,911 miles, £17,499, Newtownabbey
- 2018 Audi S4, 15,778 miles, £23,995, Chester
- 2018 Audi S4, 69,000 miles, £17,990, Bedford
- 2018 Audi S4, 53,552 miles, £21,489, Derry
- 2018 Audi S4, 71,802 miles, £18,495, Oswestry
- 2018 Audi S4, 54,000 miles, £20,995, Bolton
- 2018 Audi S4, 64,000 miles, £19,999, Atherstone
- 2018 Audi S4, 64,600 miles, £19,995, Crawley
- 2018 Audi S4, 65,988 miles, £19,995, Croydon
- 2018 Audi S4, 90,000 miles, £16,999, Great Gransden
- 2018 Audi S4, 44,000 miles, £23,250, Kingswinford
- 2018 Audi S4, 64,000 miles, £20,995, Crawley
Audi S4 prices by year
More Audi
- All Audi S4
- All Audi cars
- Audi A3 (6,663)
- Audi A1 (4,853)
- Audi Q3 (3,548)
- Audi Q5 (3,132)
- Audi Q2 (2,741)
- Audi A5 (1,934)
- Audi A4 (1,496)
- Audi Q7 (1,351)
- Audi A4 Avant (1,244)
- Audi TT (1,151)
- Audi Q4 e-tron (1,084)
- Audi S3 (1,025)
- Audi A6 Saloon (895)
- Audi A6 Avant (798)
- Audi RS3 (496)