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) 5dr Sportback (249 bhp)
• Year: 2018
• Mileage: 48,170 miles
• Fuel: Petrol
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 249 bhp
• Gearbox: Automatic (S tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 147 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 48,170 miles, this 2018 Audi A5 S Line has covered about 23,700 fewer miles than other 2018 Audi A5 cars. The AskCar estimate for this car is £18,798. It is priced at £19,995, which is £1,197 above that estimate. 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 99 days. Its advertised mileage matches the government's MOT record. The seller is Billzo Motors, based in Manchester. 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: £1,197 (6%) over the AskCar estimate of £18,798.

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 99 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 26 July 2026 at £19,995. 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 11 November 2026.

It has had 7 MOTs. The latest, on 12 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 47,141 miles, which matches the advertised 48,170 miles.

Advertised mileage is about 23,700 miles lower than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

23 other 2018 Audi A5 S Line 2.0 petrol automatic hatchbacks are for sale at UK dealers, from £10,989 to £19,999, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 petrol hatchback, grey. Mileage: 47,453 miles. Price: £15,100, £4,895 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a5-2018-4fa27c9cdef7
• 2018 Audi A5 S Line, 2.0 petrol hatchback, black. Mileage: 52,834 miles. Price: £14,989, £5,006 less than this car. Dealer: Autobarn Motor Company in Burnley. AskCar page: https://askcar.co.uk/car/audi-a5-2018-755e69a4aa5e
• 2018 Audi A5 S Line, 2.0 petrol hatchback, white. Mileage: 53,200 miles. Price: £17,490, £2,505 less than this car. Dealer: Rovia Cars in Waltham Cross. AskCar page: https://askcar.co.uk/car/audi-a5-2018-54f74e0ba284

• The nearest: 2018 Audi A5 S Line, 2.0 petrol hatchback, silver, 3 miles from this car. Mileage: 56,153 miles. Price: £16,990, £3,005 less than this car. Dealer: Williams Select in Old Trafford. AskCar page: https://askcar.co.uk/car/audi-a5-2018-95909c5e85e3