2017 Porsche 911 3.8 991 Turbo S
Price: £114,950. Fair price: £4,846 (4%) over the AskCar estimate of £110,104, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,926 priced Porsche 911 adverts on AskCar as of 2 November 2026.
AskCar lists 2,411 used Porsche 911 from 625 UK dealerships, as of 2 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 991 Turbo S
- Version: 3.8 T 991 Turbo S PDK 4WD Euro 6 (s/s) 2dr (572 bhp)
- Year: 2017
- Mileage: 29,000 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 4 seats
- Engine: 3.8 litres, 572 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 212 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 29,000 miles, this 2017 Porsche 911 991 Turbo S has covered about 5,500 fewer miles than other 2017 Porsche 911 cars. The AskCar estimate for this car is £110,104. It is priced at £114,950, which is £4,846 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,926 Porsche 911 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 158 days. You can find this car at A C G Motors in Manchester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £4,846 (4%) over the AskCar estimate of £110,104.
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 1,926 priced Porsche 911 adverts across different ages and specifications, as of 2 November 2026.
Time on sale
The dealer may accept less. This 2017 Porsche 911 has been on sale for at least 158 days. About half of 2017 Porsche 911 cars are gone from sale within a month of being advertised: 34 of the 63 first advertised between 11 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 28 May 2026 at £114,950. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 5,500 miles lower than the median mileage of a 2017 Porsche 911 on AskCar.
Similar cars
2 other 2017 Porsche 911 991 Turbo S 3.8 petrol automatic coupes are for sale at UK dealers, from £111,995 to £118,980, as of 2 November 2026.
The 2 closest to this car in mileage:
- 2017 Porsche 911 991 Turbo S, 3.8 petrol coupe, silver. Mileage: 18,900 miles. Price: £111,995, £2,955 less than this car. Dealer: Clinkard in Southampton. AskCar page: https://askcar.co.uk/car/porsche-911-2017-4da70bdd28ef
- 2017 Porsche 911 991 Turbo S, 3.8 petrol coupe, silver. Mileage: 8,500 miles. Price: £118,980, £4,030 more than this car. Dealer: Tier One Automotive in Kings Langley. AskCar page: https://askcar.co.uk/car/porsche-911-2017-361934ac294c
Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide
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Photos
32 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.