2017 Porsche 911 3.0 991 Carrera S
Price: £57,990. Fair price: £4,831 (7%) under the AskCar estimate of £62,821, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,947 priced Porsche 911 adverts on AskCar as of 4 November 2026.
AskCar lists 2,434 used Porsche 911 from 619 UK dealerships, as of 4 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 991 Carrera S
- Version: 3.0 T 991 Carrera S PDK RWD Euro 6 (s/s) 2dr (414 bhp)
- Year: 2017
- Mileage: 55,632 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.0 litres, 414 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: White
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 55,632 miles on the clock, this 2017 Porsche 911 991 Carrera S has done roughly 20,700 more miles than a typical 2017 Porsche 911. The dealer is asking £57,990, which is £4,831 below the AskCar estimate of £62,821. To work out the AskCar estimate, we analyse UK dealer adverts for 1,947 Porsche 911 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 62 days. The government's MOT record matches its advertised mileage. It is for sale at Invictus Porsche in Uttlesford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £4,831 (7%) under the AskCar estimate of £62,821.
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 1,947 priced Porsche 911 adverts across different ages and specifications, as of 4 November 2026.
A 2017 Porsche 911 with the 3.0 petrol engine is typically advertised at £70,000: the median of the 48 for sale on AskCar, as of 4 November 2026.
Time on sale
The dealer may accept less. This 2017 Porsche 911 has been on sale for at least 62 days. About half of 2017 Porsche 911 cars are gone from sale within a month of being advertised: 35 of the 66 first advertised between 11 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 3 September 2026 at £57,990. 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 19 June 2027.
It has had 9 MOTs. The latest, on 15 June 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 54,875 miles, which matches the advertised 55,632 miles.
Advertised mileage is about 20,700 miles higher than the median mileage of a 2017 Porsche 911 on AskCar.
Similar cars
2 other 2017 Porsche 911 991 Carrera S 3.0 petrol automatic convertibles are for sale at UK dealers, from £66,995 to £69,880, as of 4 November 2026.
The 2 closest to this car in mileage:
- 2017 Porsche 911 991 Carrera S, 3.0 petrol convertible, black. Mileage: 41,926 miles. Price: £66,995, £9,005 more than this car. Dealer: Hamptons of Surrey in Farnham. AskCar page: https://askcar.co.uk/car/porsche-911-2017-fa10c51af54c
- 2017 Porsche 911 991 Carrera S, 3.0 petrol convertible, grey. Mileage: 11,000 miles. Price: £69,880, £11,890 more than this car. Dealer: Auto100.Co.Uk in Sutton in Ashfield. AskCar page: https://askcar.co.uk/car/porsche-911-2017-4b05eec0cc40
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 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.