2018 Audi S5 3.0 TFSI V6
Price: £18,995. Fair price: £255 (1%) under the AskCar estimate of £19,250, our expected asking price for this car from its model, age, mileage and specification, drawing on 361 priced Audi S5 adverts on AskCar as of 4 November 2026.
AskCar lists 372 used Audi S5 from 297 UK dealerships, as of 4 November 2026.
Overview
- Make: Audi
- Model: S5
- Version: 3.0 TFSI V6 Sportback Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)
- Year: 2018
- Mileage: 82,000 miles
- Fuel: Petrol
- Body: Hatchback, 5 doors, 4 seats
- Engine: 3.0 litres, 349 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Grey
- CO2: 174 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi S5 has covered 82,000 miles, around 15,400 more miles than is typical for its age. The dealer is asking £18,995, which is £255 below the AskCar estimate of £19,250. To work out the AskCar estimate, we analyse UK dealer adverts for 361 Audi S5 cars across different ages and specifications. The asking price is now £800 lower than when we first recorded the advert 23 days ago. Its advertised mileage matches the government's MOT record. The seller is CSH Performance, based in Elland. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £255 (1%) under the AskCar estimate of £19,250.
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 361 priced Audi S5 adverts across different ages and specifications, as of 4 November 2026.
A 2018 Audi S5 with the 3.0 petrol engine is typically advertised at £20,200: the median of the 61 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2018 Audi S5 has been on sale for at least 23 days.
Price history
AskCar first saw this advert on 12 October 2026 at £19,795. Its asking price is now £18,995, £800 less. The latest price cut was seen on 2 November 2026.
Price changes recorded:
- 12 October 2026: £19,795
- 2 November 2026: £18,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 6 November 2027.
It has had 7 MOTs. The latest, on 15 October 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 82,283 miles, which matches the advertised 82,000 miles.
Advertised mileage is about 15,400 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
49 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.