2017 Porsche 911 3.8 991 Turbo

Price: £99,990. Fair price: £1,787 (1%) under the AskCar estimate of £101,777, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,972 priced Porsche 911 adverts on AskCar as of 7 November 2026.

AskCar lists 2,462 used Porsche 911 from 621 UK dealerships, as of 7 November 2026.

Overview

  • Make: Porsche
  • Model: 911
  • Trim: 991 Turbo
  • Version: 3.8 T 991 Turbo PDK 4WD Euro 6 (s/s) 2dr (533 bhp)
  • Year: 2017
  • Mileage: 20,047 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 3.8 litres, 533 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Four-wheel drive
  • Colour: Silver
  • CO2: 212 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2017 Porsche 911 991 Turbo is advertised with 20,047 miles, approximately 13,700 below the typical mileage for its age. The dealer is asking £99,990, which is £1,787 below the AskCar estimate of £101,777. To work out the AskCar estimate, we analyse UK dealer adverts for 1,972 Porsche 911 cars across different ages and specifications. We have tracked this advert for 1 day. It is for sale at Exoria Cars in Abbots Langley. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,787 (1%) under the AskCar estimate of £101,777.

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 1,972 priced Porsche 911 adverts across different ages and specifications, as of 7 November 2026.

Time on sale

AskCar first saw this 2017 Porsche 911 advertised 1 day ago. About half of 2017 Porsche 911 cars are gone from sale within a month of being advertised: 35 of the 67 first advertised between 11 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 6 November 2026 at £99,990. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 13,700 miles lower than the median mileage of a 2017 Porsche 911 on AskCar.

Similar cars

2 other 2017 Porsche 911 991 Turbo 3.8 petrol automatic coupes are for sale at UK dealers, from £74,990 to £88,995, as of 7 November 2026.

The 2 closest to this car in mileage:

  • 2017 Porsche 911 991 Turbo, 3.8 petrol coupe, black. Mileage: 34,000 miles. Price: £88,995, £10,995 less than this car. Dealer: Motor vehicle group in Tibshelf. AskCar page: https://askcar.co.uk/car/porsche-911-2017-1e818f16f08c
  • 2017 Porsche 911 991 Turbo, 3.8 petrol coupe, black. Mileage: 70,092 miles. Price: £74,990, £25,000 less than this car. Dealer: Noya Motor Group in Peterborough. AskCar page: https://askcar.co.uk/car/porsche-911-2017-767a2bb8ed60

Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide

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Photos

65 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.