2018 Audi S5 3.0 TFSI V6

Overview

• Make: Audi
• Model: S5
• Version: 3.0 TFSI V6 Sportback Tiptronic 4WD Euro 6 (s/s) 5dr (349 bhp)
• Year: 2018
• Mileage: 81,279 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 81,279 miles, around 15,200 more miles than is typical for its age. Its asking price of £19,490 is £273 above the AskCar estimate of £19,217. To work out the AskCar estimate, we analyse UK dealer adverts for 354 Audi S5 cars across different ages and specifications. We first recorded this car for sale 3 days ago. Its advertised mileage matches the government's MOT record. You can find this car at Autohaven Motors in High Wycombe. 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: £273 (1%) over the AskCar estimate of £19,217.

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

AskCar first saw this 2018 Audi S5 advertised 3 days ago. About half of 2018 Audi S5 cars are gone from sale within a month of being advertised: 35 of the 76 first advertised between 11 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 30 October 2026 at £19,490. 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 15 April 2027.

It failed its MOT on 15 April 2026 (nearside front tyre has a lump, caused by separation or partial failure of its structure) and passed 1 day later, on 16 April 2026.

Advisories at the latest test: front brake pad(s) wearing thin.

Mileage at that test: 78,148 miles, which matches the advertised 81,279 miles.

Advertised mileage is about 15,200 miles higher than the median mileage of a 2018 Audi S5 on AskCar.