2018 Audi S5 3.0 TFSI V6
Price: £16,991. Fair price: £107 (under 1%) over the AskCar estimate of £16,884, our expected asking price for this car from its model, age, mileage and specification, drawing on 360 priced Audi S5 adverts on AskCar as of 5 November 2026.
AskCar lists 373 used Audi S5 from 298 UK dealerships, as of 5 November 2026.
Overview
- Make: Audi
- Model: S5
- Version: 3.0 TFSI V6 Tiptronic 4WD Euro 6 (s/s) 2dr (349 bhp)
- Year: 2018
- Mileage: 96,999 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.0 litres, 349 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Black
- CO2: 170 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 96,999 miles, this 2018 Audi S5 has covered about 30,900 more miles than other 2018 Audi S5 cars. The AskCar estimate for this car is £16,884. It is priced at £16,991, which is £107 above that estimate. The AskCar estimate uses UK dealer asking prices, including 360 Audi S5 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 51 days ago, the asking price has dropped by £300. Its advertised mileage matches the government's MOT record. The seller is Greenaway Autos, based in Pontypridd. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £107 (under 1%) over the AskCar estimate of £16,884.
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 360 priced Audi S5 adverts across different ages and specifications, as of 5 November 2026.
A 2018 Audi S5 with the 3.0 petrol engine is typically advertised at £20,400: the median of the 61 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2018 Audi S5 has been on sale for at least 51 days.
Price history
AskCar first saw this advert on 15 September 2026 at £17,291. Its asking price is now £16,991, £300 less. The latest price cut was seen on 27 October 2026.
Price changes recorded:
- 15 September 2026: £17,291
- 27 October 2026: £16,991
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 11 November 2026.
It has had 7 MOTs. The latest, on 20 October 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 82,864 miles, which matches the advertised 96,999 miles.
Advertised mileage is about 30,900 miles higher than the median mileage of a 2018 Audi S5 on AskCar.
Browse all Audi S5 cars for sale · 2018 Audi S5 price guide
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Photos
30 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.