2017 Porsche 911 4.0 991 GT3
Price: £136,995. Fair price: £4,579 (3%) over the AskCar estimate of £132,416, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,962 priced Porsche 911 adverts on AskCar as of 5 November 2026.
AskCar lists 2,460 used Porsche 911 from 619 UK dealerships, as of 5 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: 19,428 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 492 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 288 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
At 19,428 miles, this 2017 Porsche 911 991 Gt3 has covered about 14,400 fewer miles than other 2017 Porsche 911 cars. Its asking price of £136,995 is £4,579 above the AskCar estimate of £132,416. To work out the AskCar estimate, we analyse UK dealer adverts for 1,962 Porsche 911 cars across different ages and specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. You can find this car at D P Vehicles in Ashford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £4,579 (3%) over the AskCar estimate of £132,416.
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 1,962 priced Porsche 911 adverts across different ages and specifications, as of 5 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 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £136,995. Its asking price has not changed.
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 6 October 2027.
It has had 5 MOTs. The latest, on 7 October 2026, passed.
Advisories at the latest test: rear tyre worn close to legal limit/worn on edge both.
Mileage at that test: 19,432 miles, which matches the advertised 19,428 miles.
Advertised mileage is about 14,400 miles lower than the median mileage of a 2017 Porsche 911 on AskCar.
Similar cars
2 other 2017 Porsche 911 991 GT3 4.0 petrol automatic coupes are for sale at UK dealers, from £118,450 to £119,850, as of 5 November 2026.
The 2 closest to this car in mileage:
- 2017 Porsche 911 991 GT3, 4.0 petrol coupe, red. Mileage: 39,000 miles. Price: £119,850, £17,145 less than this car. Dealer: Hillmoren in Leicester. AskCar page: https://askcar.co.uk/car/porsche-911-2017-f3f9f6588e9b
- 2017 Porsche 911 991 GT3, 4.0 petrol coupe, black. Mileage: 58,600 miles. Price: £118,450, £18,545 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
1 photo of this car is on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.