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: 69,472 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 3.0 litres, 215 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Red
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line is advertised with 69,472 miles, approximately 2,400 below the typical mileage for its age. The dealer is asking £12,990, which is £2,003 below the AskCar estimate of £14,993. 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 69 days. Its advertised mileage matches the government's MOT record. You can find this car at Toccar in Barton-Upon-Humber. 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

Good value: £2,003 (13%) under the AskCar estimate of £14,993.

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 69 days. 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 25 August 2026 at £12,990. 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 2 November 2026: valid until 18 August 2027.

It has had 8 MOTs. The latest, on 12 August 2026, passed.

Advisories at the latest test: nearside front tyre slightly damaged/cracking or perishing slight outer sidewall damage nsf; nearside rear tyre worn close to legal limit/worn on edge; offside rear tyre worn close to legal limit/worn on edge; and 2 more.

Mileage at that test: 69,303 miles, which matches the advertised 69,472 miles.

Advertised mileage is about 2,400 miles lower 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: 70,386 miles. Price: £15,495, £2,505 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, white. Mileage: 94,177 miles. Price: £11,994, £996 less than this car. Dealer: Car Vault in Welwyn Garden City. AskCar page: https://askcar.co.uk/car/audi-a5-2018-da4d2f3246d8
• 2018 Audi A5 S Line, 3.0 diesel coupe, grey. Mileage: 105,000 miles. Price: £9,695, £3,295 less than this car. Dealer: Station Road Automotives in Leicester. AskCar page: https://askcar.co.uk/car/audi-a5-2018-c527a88c45ed