2018 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI S Line S tronic 4WD Euro 6 (s/s) 5dr Sportback (187 bhp)
• Year: 2018
• Mileage: 69,100 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 121 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 69,100 miles on the clock, this 2018 Audi A5 S Line has done roughly 2,800 fewer miles than a typical 2018 Audi A5. The dealer is asking £14,499, which is £698 below the AskCar estimate of £15,197. 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 158 days, and its asking price is down £1,496. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by MHY Trade Cars in West Drayton. 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: £698 (4%) under the AskCar estimate of £15,197.

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.

A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,900: the median of the 117 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2018 Audi A5 has been on sale for at least 158 days, and its asking price has been cut by £1,496. 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 28 May 2026 at £15,995. Its asking price is now £14,499, £1,496 less. The latest price cut was seen on 30 September 2026.

Price changes recorded:

• 29 May 2026: £15,995
• 16 June 2026: £15,950
• 22 June 2026: £15,550
• 29 June 2026: £15,490
• 25 July 2026: £14,995
• 9 September 2026: £14,850
• 22 September 2026: £14,750
• 30 September 2026: £14,499

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 20 May 2027.

It has had 7 MOTs. The latest, on 21 May 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 69,087 miles, which matches the advertised 69,100 miles.

Advertised mileage is about 2,800 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

16 other 2018 Audi A5 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £11,900 to £19,500, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 68,000 miles. Price: £13,789, £710 less than this car. Dealer: Bluehawk Automotive in Hounslow. AskCar page: https://askcar.co.uk/car/audi-a5-2018-774977c4e3ca
• 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 67,700 miles. Price: £15,999, £1,500 more than this car. Dealer: CG Motor Land in Leicester. AskCar page: https://askcar.co.uk/car/audi-a5-2018-08fedcc62f6a
• 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 73,000 miles. Price: £14,490, the same price as this car. Dealer: LVMC in High Ongar. AskCar page: https://askcar.co.uk/car/audi-a5-2018-ec5126d01072