2017 Porsche 911 3.0 991 4S
Price: £66,990. Fair price: £4,310 (6%) over the AskCar estimate of £62,680, 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: 70,000 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 70,000 miles, this 2017 Porsche 911 991 4S has covered about 35,100 more miles than other 2017 Porsche 911 cars. The AskCar estimate for this car is £62,680. It is priced at £66,990, which is £4,310 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,947 Porsche 911 cars across different ages and specifications. The asking price is now £1,900 lower than when we first recorded the advert 35 days ago. Its advertised mileage matches the government's MOT record. It is for sale at Jdt Motor Company in Macclesfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £4,310 (6%) over the AskCar estimate of £62,680.
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 35 days.
Price history
AskCar first saw this advert on 30 September 2026 at £68,890. Its asking price is now £66,990, £1,900 less. The latest price cut was seen on 1 November 2026.
Price changes recorded:
- 30 September 2026: £68,890
- 19 October 2026: £67,890
- 1 November 2026: £66,990
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 15 January 2027.
It has had 7 MOTs. The latest, on 9 January 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 66,254 miles, which matches the advertised 70,000 miles.
Advertised mileage is about 35,100 miles higher 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: 32,603 miles. Price: £78,950, £11,960 more than this car. Dealer: Select Performance and Prestige in Hedsor. AskCar page: https://askcar.co.uk/car/porsche-911-2017-dc7c067c6bfd
Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide
More like this
- Used automatic Porsche 911 for sale
- Used petrol Porsche 911 for sale
- Used Porsche 911 for sale near Macclesfield
Photos
37 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.