2021 Porsche 911 4.0 992 GT3
Price: £154,950. Fair price: £346 (under 1%) under the AskCar estimate of £155,296, 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: 992 GT3
- Version: 4.0 992 GT3 Manual RWD Euro 6 2dr (503 bhp)
- Year: 2021
- Mileage: 7,297 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 503 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: Green
- CO2: 294 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2021 Porsche 911 992 Gt3 has covered 7,297 miles, around 7,700 fewer miles than is typical for its age. Its asking price of £154,950 is £346 below the AskCar estimate of £155,296. To work out the AskCar estimate, we analyse UK dealer adverts for 1,962 Porsche 911 cars across different ages and specifications. This car was first seen in our listings data 36 days ago. It is for sale at Romans International in Banstead. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £346 (under 1%) under the AskCar estimate of £155,296.
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.
A 2021 Porsche 911 with the 4.0 petrol engine is typically advertised at £155,000: the median of the 11 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2021 Porsche 911 has been on sale for at least 36 days.
Price history
AskCar first saw this advert on 30 September 2026 at £154,950. Its asking price has not changed.
Mileage and MOT
Advertised mileage is about 7,700 miles lower than the median mileage of a 2021 Porsche 911 on AskCar.
Similar cars
3 other 2021 Porsche 911 992 GT3 4.0 petrol manual coupes are for sale at UK dealers, from £149,950 to £154,900, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2021 Porsche 911 992 GT3, 4.0 petrol coupe, silver. Mileage: 9,167 miles. Price: £149,975, £4,975 less than this car. Dealer: Portland Of Bawtry in Doncaster. AskCar page: https://askcar.co.uk/car/porsche-911-2021-e13f9bbf90b7
- 2021 Porsche 911 992 GT3, 4.0 petrol coupe, blue. Mileage: 14,000 miles. Price: £149,950, £5,000 less than this car. Dealer: Digbeth Motor Sales in Birmingham. AskCar page: https://askcar.co.uk/car/porsche-911-2021-74c696e84a26
- 2021 Porsche 911 992 GT3, 4.0 petrol coupe, blue. Mileage: 19,250 miles. Price: £154,900, £50 less than this car. Dealer: Baytree Cars in Derby. AskCar page: https://askcar.co.uk/car/porsche-911-2021-ff1e561649ef
Browse all Porsche 911 cars for sale · 2021 Porsche 911 price guide
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Photos
42 photos of this car are 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.