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: 15,687 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

This 2018 Audi A5 S Line is advertised with 15,687 miles, approximately 56,200 below the typical mileage for its age. Its asking price of £19,990 is £338 below the AskCar estimate of £20,328. 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. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Otter Motors in Ottery St Mary. 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: £338 (1%) under the AskCar estimate of £20,328.

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 petrol 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. 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 £19,990. 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 13 April 2027.

It has had 7 MOTs. The latest, on 14 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 15,217 miles, which matches the advertised 15,687 miles.

Advertised mileage is about 56,200 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

18 other 2018 Audi A5 S Line 2.0 petrol automatic coupes are for sale at UK dealers, from £8,940 to £18,999, as of 2 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: £18,999, £991 less than 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, £5,790 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: 50,000 miles. Price: £15,690, £4,300 less than this car. Dealer: New Automotive in Sutton Coldfield. AskCar page: https://askcar.co.uk/car/audi-a5-2018-48caf205cbcd

• The nearest: 2018 Audi A5 S Line, 2.0 petrol coupe, grey, 56 miles from this car. Mileage: 145,041 miles. Price: £8,940, £11,050 less than this car. Dealer: Bristol Car Centre in Bristol. AskCar page: https://askcar.co.uk/car/audi-a5-2018-4bf5f9b89106