2018 Audi A5 2.0 TDI S Line

Overview

• Make: Audi
• Model: A5
• Trim: S Line
• Version: 2.0 TDI S Line S tronic FWD Euro 6 (s/s) 2dr (187 bhp)
• Year: 2018
• Mileage: 99,386 miles
• Fuel: Diesel
• Body: Coupe, 2 doors, 4 seats
• Engine: 2.0 litres, 187 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 111 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 99,386 miles, this 2018 Audi A5 S Line has covered about 28,000 more miles than other 2018 Audi A5 cars. Priced at £10,350, it is advertised £397 below the AskCar estimate of £10,747. The AskCar estimate uses 1,865 UK dealer adverts for the Audi A5, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Car Planet Barnet in New Southgate. 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: £397 (3%) under the AskCar estimate of £10,747.

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

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: 104 of the 204 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £10,350. 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 4 November 2026: valid until 29 September 2027.

It has had 9 MOTs. The latest, on 16 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 97,310 miles, which matches the advertised 99,386 miles.

Advertised mileage is about 28,000 miles higher than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

17 other 2018 Audi A5 S Line 2.0 diesel automatic coupes are for sale at UK dealers, from £9,499 to £18,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2018 Audi A5 S Line, 2.0 diesel coupe, grey. Mileage: 99,072 miles. Price: £11,695, £1,345 more than this car. Dealer: Switch Cars in Southall. AskCar page: https://askcar.co.uk/car/audi-a5-2018-292efd2650c1
• 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 101,797 miles. Price: £10,890, £540 more than this car. Dealer: West Brook Car Sales in Peterborough. AskCar page: https://askcar.co.uk/car/audi-a5-2018-2a5331ca5d29
• 2018 Audi A5 S Line, 2.0 diesel coupe, white. Mileage: 90,000 miles. Price: £11,995, £1,645 more than this car. Dealer: MT Motors ( Gildersome ) in Leeds. AskCar page: https://askcar.co.uk/car/audi-a5-2018-b777347bc6d0

• The nearest: 2018 Audi A5 S Line, 2.0 diesel coupe, black, 12 miles from this car. Mileage: 58,700 miles. Price: £13,150, £2,800 more than this car. Dealer: Car Planet Watford in Watford. AskCar page: https://askcar.co.uk/car/audi-a5-2018-8433c8946770