2018 Audi S5 3.0 TFSI V6

Overview

• Make: Audi
• Model: S5
• Version: 3.0 TFSI V6 Cabriolet Tiptronic 4WD Euro 6 (s/s) 2dr (349 bhp)
• Year: 2018
• Mileage: 66,125 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.0 litres, 349 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Blue
• CO2: 177 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi S5 has covered 66,125 miles. The AskCar estimate for this car is £19,478. It is priced at £19,499, which is £21 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 354 Audi S5 cars across different ages and specifications. Since we first spotted the advert 84 days ago, the asking price has dropped by £1,500. The government's MOT record matches its advertised mileage. You can find this car at cinch Corby in North Northamptonshire. 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: £21 (under 1%) over the AskCar estimate of £19,478.

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 2018 Audi S5 with the 3.0 petrol engine is typically advertised at £20,500: the median of the 57 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2018 Audi S5 has been on sale for at least 84 days.

Price history

AskCar first saw this advert on 10 August 2026 at £20,999. Its asking price is now £19,499, £1,500 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 10 August 2026: £20,999
• 14 August 2026: £21,208
• 21 August 2026: £20,649
• 11 September 2026: £20,699
• 26 September 2026: £20,499
• 30 September 2026: £20,399
• 3 October 2026: £20,299
• 8 October 2026: £19,999
• 21 October 2026: £19,699
• 23 October 2026: £19,499
• 27 October 2026: £19,299
• 31 October 2026: £19,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 27 August 2027.

It failed its MOT on 16 July 2026 (nearside front upper suspension arm pin or bush excessively worn rear arm; offside front upper suspension arm pin or bush excessively worn rear arm) and passed 24 days later, on 9 August 2026.

There were no advisories at the latest test.

Mileage at that test: 66,124 miles, which matches the advertised 66,125 miles.