2018 Audi S5 3.0 TFSI V6
Price: £19,995. Fair price: £552 (2%) under the AskCar estimate of £20,547, 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 Cabriolet Tiptronic 4WD Euro 6 (s/s) 2dr (349 bhp)
- Year: 2018
- Mileage: 58,512 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.0 litres, 349 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: White
- CO2: 177 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi S5 is advertised with 58,512 miles, approximately 8,100 below the typical mileage for its age. Priced at £19,995, it is advertised £552 below the AskCar estimate of £20,547. The AskCar estimate uses UK dealer asking prices, including 361 Audi S5 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 5 days. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at EMG Motor Group in Royston. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £552 (2%) under the AskCar estimate of £20,547.
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
AskCar first saw this 2018 Audi S5 advertised 5 days ago. About 4 in 10 of 2018 Audi S5 cars are gone from sale within a month of being advertised: 37 of the 84 first advertised between 11 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 30 October 2026 at £19,995. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 14 December 2026.
It has had 6 MOTs. The latest, on 10 December 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 49,877 miles, which matches the advertised 58,512 miles.
Advertised mileage is about 8,100 miles lower 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
40 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.