2017 Porsche 911 4.0 991 GT3
Price: £119,850. Fair price: £4,833 (4%) over the AskCar estimate of £115,017, 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 GT3
- Version: 4.0 991 GT3 PDK RWD Euro 6 2dr (492 bhp)
- Year: 2017
- Mileage: 39,000 miles
- Fuel: Petrol
- Body: Coupe, 2 doors
- Engine: 4.0 litres, 492 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Red
- CO2: 288 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2017 Porsche 911 991 Gt3 has covered 39,000 miles, around 4,100 more miles than is typical for its age. The AskCar estimate for this car is £115,017. It is priced at £119,850, which is £4,833 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. We first recorded this car for sale today. It is for sale at Hillmoren in Markfield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £4,833 (4%) over the AskCar estimate of £115,017.
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.
Time on sale
AskCar first saw this 2017 Porsche 911 advertised today. 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 4 November 2026 at £119,850. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 4,100 miles higher than the median mileage of a 2017 Porsche 911 on AskCar.
Similar cars
1 other 2017 Porsche 911 991 GT3 4.0 petrol automatic coupe is for sale at UK dealers, as of 4 November 2026.
The closest to this car in mileage:
- 2017 Porsche 911 991 GT3, 4.0 petrol coupe, black. Mileage: 58,600 miles. Price: £118,450, £1,400 less than this car. Dealer: Shinsean Automotive in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/porsche-911-2017-50f8f4ea76f3
Browse all Porsche 911 cars for sale · 2017 Porsche 911 price guide
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Photos
2 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.