2018 Audi A5 3.0 TDI V6 S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 3.0 TDI V6 S Line S tronic 4WD Euro 6 (s/s) 2dr (215 bhp)
• Year: 2018
• Mileage: 94,177 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 215 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line has covered 94,177 miles, around 22,300 more miles than is typical for its age. Its asking price of £11,994 is £593 below the AskCar estimate of £12,587. To work out the AskCar estimate, we analyse UK dealer adverts for 1,830 Audi A5 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 72 days, and its asking price is down £1,200. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Car Vault, based in Welwyn Garden City. 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: £593 (4%) under the AskCar estimate of £12,587.

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 1,830 priced Audi A5 adverts across different ages and specifications, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi A5 has been on sale for at least 72 days, and its asking price has been cut by £1,200. About half of 2018 Audi A5 cars are gone from sale within a month of being advertised: 101 of the 197 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 22 August 2026 at £13,194. Its asking price is now £11,994, £1,200 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 22 August 2026: £13,194
• 19 September 2026: £12,794
• 3 October 2026: £12,194
• 21 October 2026: £11,994

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 September 2027.

It has had 7 MOTs. The latest, on 22 August 2026, passed.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge.

Mileage at that test: 94,327 miles, which matches the advertised 94,177 miles.

Advertised mileage is about 22,300 miles higher than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

3 other 2018 Audi A5 S Line 3.0 diesel automatic coupes are for sale at UK dealers, from £9,695 to £15,495, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 3.0 diesel coupe, grey. Mileage: 105,000 miles. Price: £9,695, £2,299 less than this car. Dealer: Station Road Automotives in Leicester. AskCar page: https://askcar.co.uk/car/audi-a5-2018-c527a88c45ed
• 2018 Audi A5 S Line, 3.0 diesel coupe, grey. Mileage: 70,386 miles. Price: £15,495, £3,501 more than this car. Dealer: Thomas Devlin Car Sales in Antrim. AskCar page: https://askcar.co.uk/car/audi-a5-2018-3119545bde78
• 2018 Audi A5 S Line, 3.0 diesel coupe, red. Mileage: 69,472 miles. Price: £12,990, £996 more than this car. Dealer: Toccar in Barton-upon-Humber. AskCar page: https://askcar.co.uk/car/audi-a5-2018-54578aebfa8d