2018 Audi A5 2.0 TDI ultra S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI ultra S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (187 bhp)
• Year: 2018
• Mileage: 83,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: White
• CO2: 112 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 83,000 miles on the clock, this 2018 Audi A5 S Line has done roughly 11,100 more miles than a typical 2018 Audi A5. The dealer is asking £14,389, which is £477 above the AskCar estimate of £13,912. To work out the AskCar estimate, we analyse UK dealer adverts for 1,830 Audi A5 cars across different ages and specifications. Since we first spotted the advert 27 days ago, the asking price has dropped by £600. We checked its advertised mileage against the government's MOT record, and they match. The seller is TNG Automotive, based in Croydon. 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: £477 (3%) over the AskCar estimate of £13,912.

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

This 2018 Audi A5 has been on sale for at least 27 days.

Price history

AskCar first saw this advert on 6 October 2026 at £14,989. Its asking price is now £14,389, £600 less. The latest price cut was seen on 23 October 2026.

Price changes recorded:

• 6 October 2026: £14,989
• 18 October 2026: £14,589
• 23 October 2026: £14,389

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 14 June 2027.

It failed its MOT on 27 May 2026 (engine MIL inoperative or indicates a malfunction; offside front windscreen wiper blade defective smearing) and passed 6 days later, on 2 June 2026.

Advisories at the latest test: rear lower coil spring mounting corroded but not seriously weakened both sides.

Mileage at that test: 79,668 miles, which matches the advertised 83,000 miles.

Advertised mileage is about 11,100 miles higher 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, red. Mileage: 85,000 miles. Price: £13,999, £390 less than this car. Dealer: Nottingham Road Car Sales in Derby. AskCar page: https://askcar.co.uk/car/audi-a5-2018-b858d7b9b410
• 2018 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 87,000 miles. Price: £14,895, £506 more than this car. Dealer: Hynes Motors in Newry. AskCar page: https://askcar.co.uk/car/audi-a5-2018-692a25e10b70
• 2018 Audi A5 S Line, 2.0 diesel hatchback, black. Mileage: 89,400 miles. Price: £14,450, £61 more than this car. Dealer: Jack Reid Cars in Carrickfergus. AskCar page: https://askcar.co.uk/car/audi-a5-2018-620bebb84a45

• The nearest: 2018 Audi A5 S Line, 2.0 diesel hatchback, black, 14 miles from this car. Mileage: 68,000 miles. Price: £13,789, £600 less than this car. Dealer: Bluehawk Automotive in Hounslow. AskCar page: https://askcar.co.uk/car/audi-a5-2018-774977c4e3ca