2017 Porsche 911 3.0 991 4S
Price: £78,950. Fair price: £3,027 (3%) under the AskCar estimate of £81,977, 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 4S
- Version: 3.0 T 991 4S PDK 4WD Euro 6 (s/s) 2dr Targa (414 bhp)
- Year: 2017
- Mileage: 32,603 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.0 litres, 414 bhp
- Gearbox: Automatic (PDK)
- Drive: Four-wheel drive
- Colour: Blue
- CO2: 184 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 32,603 miles, this 2017 Porsche 911 991 4S has covered about 2,300 fewer miles than other 2017 Porsche 911 cars. Its asking price of £78,950 is £3,027 below the AskCar estimate of £81,977. The AskCar estimate uses UK dealer asking prices, including 1,947 Porsche 911 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 50 days ago, and its asking price has since fallen by £1,000. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Select Performance and Prestige, based in Bourne END. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £3,027 (3%) under the AskCar estimate of £81,977.
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
This 2017 Porsche 911 has been on sale for at least 50 days.
Price history
AskCar first saw this advert on 15 September 2026 at £79,950. Its asking price is now £78,950, £1,000 less. The latest price cut was seen on 13 October 2026.
Price changes recorded:
- 15 September 2026: £79,950
- 13 October 2026: £78,950
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 5 March 2027.
It has had 8 MOTs. The latest, on 28 February 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 31,616 miles, which matches the advertised 32,603 miles.
Advertised mileage is about 2,300 miles lower than the median mileage of a 2017 Porsche 911 on AskCar.
Similar cars
1 other 2017 Porsche 911 991 4S 3.0 petrol automatic convertible is for sale at UK dealers, as of 4 November 2026.
The closest to this car in mileage:
- 2017 Porsche 911 991 4S, 3.0 petrol convertible, blue. Mileage: 70,000 miles. Price: £66,990, £11,960 less than this car. Dealer: Jdt Motor Company in Macclesfield. AskCar page: https://askcar.co.uk/car/porsche-911-2017-b660eac1380d
Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide
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Photos
49 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.