2018 Audi A5 2.0 TDI ultra S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI ultra S Line Manual FWD Euro 6 (s/s) 5dr Sportback (187 bhp)
• Year: 2018
• Mileage: 109,000 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: White
• CO2: 113 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line is advertised with 109,000 miles, approximately 37,600 above the typical mileage for its age. Priced at £10,995, it is advertised £747 above the AskCar estimate of £10,248. The AskCar estimate uses 1,865 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 40 days ago, the asking price has dropped by £455. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by RM Trade Sales in Mid Ulster. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £747 (7%) over the AskCar estimate of £10,248.

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 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,500: the median of the 121 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2018 Audi A5 has been on sale for at least 40 days.

Price history

AskCar first saw this advert on 25 September 2026 at £11,450. Its asking price is now £10,995, £455 less. The latest price cut was seen on 8 October 2026.

Price changes recorded:

• 25 September 2026: £11,450
• 8 October 2026: £10,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 17 August 2027.

It failed its MOT on 12 August 2026 and passed 6 days later, on 18 August 2026.

There were no advisories at the latest test.

Mileage at that test: 109,243 miles, which matches the advertised 109,000 miles.

Advertised mileage is about 37,600 miles higher than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

3 other 2018 Audi A5 S Line 2.0 diesel manual hatchbacks are for sale at UK dealers, from £11,500 to £15,990, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 89,300 miles. Price: £11,500, £505 more than this car. Dealer: Keepers Cars in Stonehouse. AskCar page: https://askcar.co.uk/car/audi-a5-2018-253063fa0b37
• 2018 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 68,000 miles. Price: £14,895, £3,900 more than this car. Dealer: Hynes Motors in Newry. AskCar page: https://askcar.co.uk/car/audi-a5-2018-41b49969fb5e
• 2018 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 46,211 miles. Price: £15,990, £4,995 more than this car. Dealer: Formula One Car Supermarket in Falkirk. AskCar page: https://askcar.co.uk/car/audi-a5-2018-3a2b28dfb64f