2018 Audi A7 3.0 TDI S Line

Price: £13,300. Good value: £2,974 (18%) under the AskCar estimate of £16,274, our expected asking price for this car from its model, age, mileage and specification, drawing on 352 priced Audi A7 adverts on AskCar as of 2 November 2026.

AskCar lists 362 used Audi A7 from 291 UK dealerships, as of 2 November 2026.

Overview

  • Make: Audi
  • Model: A7
  • Trim: S Line
  • Version: 3.0 TDI S Line S tronic 4WD Euro 6 5dr (10/14-) (214 bhp)
  • Year: 2018
  • Mileage: 91,728 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 3.0 litres, 214 bhp
  • Gearbox: Automatic (S tronic)
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 147 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A7 S Line is advertised with 91,728 miles, approximately 16,400 above the typical mileage for its age. The dealer is asking £13,300, which is £2,974 below the AskCar estimate of £16,274. To work out the AskCar estimate, we analyse UK dealer adverts for 352 Audi A7 cars across different ages and specifications. We first recorded this car for sale 5 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Car Planet Barnet in New Southgate. 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

Good value: £2,974 (18%) under the AskCar estimate of £16,274.

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 352 priced Audi A7 adverts across different ages and specifications, as of 2 November 2026.

A 2018 Audi A7 with the 3.0 diesel engine is typically advertised at £19,000: the median of the 29 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2018 Audi A7 advertised 5 days ago.

Price history

AskCar first saw this advert on 28 October 2026 at £13,300. 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 4 April 2027.

It has had 6 MOTs. The latest, on 11 March 2026, passed.

Advisories at the latest test: nearside rear tyre slightly damaged; nearside front lower suspension arm pin or bush worn but not resulting in excessive movement most rear; offside front lower suspension arm pin or bush worn but not resulting in excessive movement most rear.

Mileage at that test: 84,177 miles, which matches the advertised 91,728 miles.

Advertised mileage is about 16,400 miles higher than the median mileage of a 2018 Audi A7 on AskCar.

Similar cars

14 other 2018 Audi A7 S Line 3.0 diesel automatic hatchbacks are for sale at UK dealers, from £15,995 to £25,994, as of 2 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A7 S Line, 3.0 diesel hatchback, grey. Mileage: 92,000 miles. Price: £19,000, £5,700 more than this car. Dealer: Sean Kearney Cars in Magherafelt. AskCar page: https://askcar.co.uk/car/audi-a7-2018-300a1c460d58
  • 2018 Audi A7 S Line, 3.0 diesel hatchback, black. Mileage: 90,000 miles. Price: £17,999, £4,699 more than this car. Dealer: Tailored Autos in Bristol. AskCar page: https://askcar.co.uk/car/audi-a7-2018-dab11096d4d9
  • 2018 Audi A7 S Line, 3.0 diesel hatchback, black. Mileage: 95,000 miles. Price: £17,995, £4,695 more than this car. Dealer: Enzo Cars & Vans in Blackburn. AskCar page: https://askcar.co.uk/car/audi-a7-2018-112489b3b8c3
  • The nearest: 2018 Audi A7 S Line, 3.0 diesel hatchback, orange, 21 miles from this car. Mileage: 50,000 miles. Price: £25,994, £12,694 more than this car. Dealer: Wheels Excellence in Chesham. AskCar page: https://askcar.co.uk/car/audi-a7-2018-2390a22226c9

Browse all Audi A7 cars for sale · 2018 Audi A7 price guide

More like this

Photos

1 photo of this car is on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.