2017 Porsche 911 3.0 991 Carrera S
Price: £66,995. Fair price: £657 (under 1%) under the AskCar estimate of £67,652, 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: 41,926 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.0 litres, 414 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 178 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2017 Porsche 911 991 Carrera S is advertised with 41,926 miles, approximately 7,500 above the typical mileage for its age. The AskCar estimate for this car is £67,652. It is priced at £66,995, which is £657 below that estimate. The AskCar estimate uses 1,926 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 97 days. The recorded MOT expired on 18 September 2026, so ask the dealer whether it has been renewed. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Hamptons of Surrey, based in Farnham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £657 (under 1%) under the AskCar estimate of £67,652.
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 97 days.
Price history
AskCar first saw this advert on 28 July 2026 at £64,995. Its asking price is now £66,995, £2,000 more.
Price changes recorded:
- 28 July 2026: £64,995
- 9 August 2026: £65,995
- 27 September 2026: £67,995
- 20 October 2026: £67,495
- 29 October 2026: £66,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 18 September 2026; ask the dealer for the current MOT.
It failed its MOT on 17 September 2025 (nearside rear tyre tread depth below requirements of 1.6mm; offside rear tyre tread depth below requirements of 1.6mm) and passed 2 days later, on 19 September 2025.
There were no advisories at the latest test.
Mileage at that test: 38,496 miles, which matches the advertised 41,926 miles.
Advertised mileage is about 7,500 miles higher 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 £69,980, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2017 Porsche 911 991 Carrera S, 3.0 petrol convertible, white. Mileage: 55,632 miles. Price: £57,990, £9,005 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, £12,005 less than this car. Dealer: Group 1 Assured Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/porsche-911-2017-981dcb2e7e38
- 2017 Porsche 911 991 Carrera S, 3.0 petrol convertible, grey. Mileage: 11,000 miles. Price: £69,980, £2,985 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
97 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.