2018 Audi S5 3.0 TFSI V6
Price: £25,990. Above the going rate: £2,383 (10%) over the AskCar estimate of £23,607, 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 Auto 4WD Euro 6 (s/s) 2dr
- Year: 2018
- Mileage: 31,337 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.0 litres
- Gearbox: Automatic
- Drive: Four-wheel drive
- Colour: White
- CO2: 174 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 31,337 miles on the clock, this 2018 Audi S5 has done roughly 34,800 fewer miles than a typical 2018 Audi S5. Its asking price of £25,990 is £2,383 above the AskCar estimate of £23,607. The AskCar estimate uses UK dealer asking prices, including 360 Audi S5 adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 27 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Agnew Group Belfast Audi, based in Belfast. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Above the going rate: £2,383 (10%) over the AskCar estimate of £23,607.
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 27 days.
Price history
AskCar first saw this advert on 9 October 2026 at £25,990. 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 5 November 2026: valid until 14 December 2026.
It has had 3 MOTs. The latest, on 4 December 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 29,420 miles, which matches the advertised 31,337 miles.
Advertised mileage is about 34,800 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
38 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.