2017 Porsche 911 3.0 991 Carrera S
Price: £69,980. Good value: £11,598 (14%) under the AskCar estimate of £81,578, 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 Carrera S
- Version: 3.0 T 991 Carrera S PDK RWD Euro 6 (s/s) 2dr (414 bhp)
- Year: 2017
- Mileage: 11,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.0 litres, 414 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Grey
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2017 Porsche 911 991 Carrera S is advertised with 11,000 miles, approximately 23,500 below the typical mileage for its age. Priced at £69,980, it is advertised £11,598 below the AskCar estimate of £81,578. The AskCar estimate uses UK dealer asking prices, including 1,926 Porsche 911 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 59 days ago, the asking price has dropped by £5,000. It is for sale at Auto100.Co.Uk in Sutton-in-Ashfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £11,598 (14%) under the AskCar estimate of £81,578.
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.
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 2 November 2026.
Time on sale
This 2017 Porsche 911 has been on sale for at least 59 days.
Price history
AskCar first saw this advert on 4 September 2026 at £74,980. Its asking price is now £69,980, £5,000 less. The latest price cut was seen on 30 October 2026.
Price changes recorded:
- 4 September 2026: £74,980
- 18 September 2026: £72,980
- 26 September 2026: £70,980
- 30 October 2026: £69,980
Mileage and MOT
Advertised mileage is about 23,500 miles lower than the median mileage of a 2017 Porsche 911 on AskCar.
Similar cars
3 other 2017 Porsche 911 991 Carrera S 3.0 petrol automatic convertibles are for sale at UK dealers, from £54,990 to £66,995, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2017 Porsche 911 991 Carrera S, 3.0 petrol convertible, black. Mileage: 41,926 miles. Price: £66,995, £2,985 less 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, white. Mileage: 55,632 miles. Price: £57,990, £11,990 less than this car. Dealer: Invictus Porsche in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/porsche-911-2017-4fb394ce3550
- 2017 Porsche 911 991 Carrera S, 3.0 petrol convertible, black. Mileage: 60,070 miles. Price: £54,990, £14,990 less than this car. Dealer: Group 1 Assured Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/porsche-911-2017-981dcb2e7e38
Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide
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Photos
46 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.