2017 Audi S5 3.0 TFSI V6

Price: £17,950. Fair price: £714 (3%) under the AskCar estimate of £18,664, our expected asking price for this car from its model, age, mileage and specification, drawing on 354 priced Audi S5 adverts on AskCar as of 2 November 2026.

AskCar lists 366 used Audi S5 from 294 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: S5
  • Version: 3.0 TFSI V6 Cabriolet Tiptronic 4WD Euro 6 (s/s) 2dr (349 bhp)
  • Year: 2017
  • Mileage: 66,581 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 2017 Audi S5 has covered 66,581 miles. Priced at £17,950, it is advertised £714 below the AskCar estimate of £18,664. The AskCar estimate uses 354 UK dealer adverts for the Audi S5, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 14 days ago. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Motor Lounge in Radlett. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £714 (3%) under the AskCar estimate of £18,664.

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 354 priced Audi S5 adverts across different ages and specifications, as of 2 November 2026.

A 2017 Audi S5 with the 3.0 petrol engine is typically advertised at £19,300: the median of the 121 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2017 Audi S5 has been on sale for at least 14 days.

Price history

AskCar first saw this advert on 19 October 2026 at £17,950. 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 2 November 2026: valid until 17 May 2027.

It has had 7 MOTs. The latest, on 18 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 66,578 miles, which matches the advertised 66,581 miles.

Advertised mileage is about 1,400 miles lower than the median mileage of a 2017 Audi S5 on AskCar.

Browse all Audi S5 cars for sale · 2017 Audi S5 price guide

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Photos

84 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.