2018 Audi A5 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TFSI S Line S tronic 4WD Euro 6 (s/s) 2dr (249 bhp)
• Year: 2018
• Mileage: 29,715 miles
• Fuel: Petrol
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 249 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: White
• CO2: 144 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 29,715 miles on the clock, this 2018 Audi A5 S Line has done roughly 41,400 fewer miles than a typical 2018 Audi A5. Priced at £18,491, it is advertised £463 below the AskCar estimate of £18,954. To work out the AskCar estimate, we analyse UK dealer adverts for 1,837 Audi A5 cars across different ages and specifications. It first appeared in our advert records today. The government's MOT record matches its advertised mileage. It is advertised by House of Brage in Aylesbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £463 (2%) under the AskCar estimate of £18,954.

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 1,837 priced Audi A5 adverts across different ages and specifications, as of 8 November 2026.

A 2018 Audi A5 with the 2.0 petrol engine is typically advertised at £13,500: the median of the 124 for sale on AskCar, as of 8 November 2026.

Time on sale

AskCar first saw this 2018 Audi A5 advertised today. About half of 2018 Audi A5 cars are gone from sale within a month of being advertised: 109 of the 212 first advertised between 11 July 2026 and 5 October 2026.

Price history

AskCar first saw this advert on 8 November 2026 at £18,491. 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 8 November 2026: valid until 17 June 2027.

It failed its MOT on 16 June 2026 (nearside rear coil spring fractured or broken; front windscreen washer provides insufficient washer liquid) and passed 1 day later, on 17 June 2026.

Advisories at the latest test: offside front outer tyre slightly damaged/cracking or perishing.

Mileage at that test: 28,273 miles, which matches the advertised 29,715 miles.

Advertised mileage is about 41,400 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

17 other 2018 Audi A5 S Line 2.0 petrol automatic coupes are for sale at UK dealers, from £8,940 to £19,990, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 petrol coupe, grey. Mileage: 28,100 miles. Price: £18,499, the same price as this car. Dealer: Hendy Ford Redhill in Redhill. AskCar page: https://askcar.co.uk/car/audi-a5-2018-032fae4c258a
• 2018 Audi A5 S Line, 2.0 petrol coupe, white. Mileage: 37,562 miles. Price: £14,200, £4,291 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a5-2018-a1f9de44c54c
• 2018 Audi A5 S Line, 2.0 petrol coupe, grey. Mileage: 42,597 miles. Price: £17,200, £1,291 less than this car. Dealer: Hilton Garage in Derby. AskCar page: https://askcar.co.uk/car/audi-a5-2018-09a3a86ed2ca

• The nearest: 2018 Audi A5 S Line, 2.0 petrol coupe, white, 37 miles from this car. Mileage: 86,000 miles. Price: £14,999, £3,492 less than this car. Dealer: Sapphire Motors in London. AskCar page: https://askcar.co.uk/car/audi-a5-2018-f762b93f388f