2018 Audi A7 3.0 TDI V6 S Line
Price: £20,814. Fair price: £1,309 (5%) under the AskCar estimate of £22,123, 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 V6 50 S Line Tiptronic 4WD Euro 6 (s/s) 5dr Sportback (282 bhp)
- Year: 2018
- Mileage: 65,666 miles
- Fuel: Diesel
- Body: Hatchback, 5 doors, 5 seats
- Engine: 3.0 litres, 282 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 150 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2018 Audi A7 S Line has covered 65,666 miles, around 9,700 fewer miles than is typical for its age. Priced at £20,814, it is advertised £1,309 below the AskCar estimate of £22,123. The AskCar estimate uses 352 UK dealer adverts for the Audi A7, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 52 days ago, the asking price has dropped by £1,299. We checked its advertised mileage against the government's MOT record, and they match. The seller is Lookers Audi Guildford, based in Guildford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £1,309 (5%) under the AskCar estimate of £22,123.
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
This 2018 Audi A7 has been on sale for at least 52 days.
Price history
AskCar first saw this advert on 11 September 2026 at £22,113. Its asking price is now £20,814, £1,299 less. The latest price cut was seen on 27 October 2026.
Price changes recorded:
- 11 September 2026: £22,113
- 12 September 2026: £22,336
- 22 September 2026: £22,457
- 29 September 2026: £22,303
- 2 October 2026: £22,149
- 6 October 2026: £21,774
- 8 October 2026: £21,665
- 17 October 2026: £21,335
- 24 October 2026: £21,102
- 27 October 2026: £20,814
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 8 September 2027.
It has had 7 MOTs. The latest, on 9 September 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 65,668 miles, which matches the advertised 65,666 miles.
Advertised mileage is about 9,700 miles lower 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 £13,300 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, silver. Mileage: 67,667 miles. Price: £21,995, £1,181 more than this car. Dealer: Hartlepool Motor Company in Hartlepool. AskCar page: https://askcar.co.uk/car/audi-a7-2018-331016b04f87
- 2018 Audi A7 S Line, 3.0 diesel hatchback, white. Mileage: 61,000 miles. Price: £22,495, £1,681 more than this car. Dealer: Autothentic in Tockwith. AskCar page: https://askcar.co.uk/car/audi-a7-2018-bce2e87f5ec1
- 2018 Audi A7 S Line, 3.0 diesel hatchback, white. Mileage: 75,368 miles. Price: £18,795, £2,019 less than this car. Dealer: Tenby Car Supermarket in Luton. AskCar page: https://askcar.co.uk/car/audi-a7-2018-e2ec269bf6e0
- The nearest: 2018 Audi A7 S Line, 3.0 diesel hatchback, silver, 31 miles from this car. Mileage: 91,728 miles. Price: £13,300, £7,514 less than this car. Dealer: Car Planet Barnet in Barnet. AskCar page: https://askcar.co.uk/car/audi-a7-2018-2aec59f4cef6
Browse all Audi A7 cars for sale · 2018 Audi A7 price guide
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Photos
34 photos of this car are 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.