2023 Porsche 911 4.0 992 GT3 RS
Price: £254,950. Fair price: £6,370 (2%) over the AskCar estimate of £248,580, 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 RS
- Version: 4.0 992 GT3 RS PDK RWD Euro 6 (s/s) 2dr (518 bhp)
- Year: 2023
- Mileage: 7,800 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 4.0 litres, 518 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 299 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2023 Porsche 911 992 Gt3 RS is advertised with 7,800 miles, approximately 2,200 below the typical mileage for its age. The AskCar estimate for this car is £248,580. It is priced at £254,950, which is £6,370 above that estimate. 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 51 days ago. It is advertised by Redline Specialist Cars in Knaresborough. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £6,370 (2%) over the AskCar estimate of £248,580.
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 2023 Porsche 911 with the 4.0 petrol engine is typically advertised at £165,000: the median of the 32 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2023 Porsche 911 has been on sale for at least 51 days.
Price history
AskCar first saw this advert on 15 September 2026 at £249,990. Its asking price is now £254,950, £4,960 more.
Price changes recorded:
- 15 September 2026: £249,990
- 22 September 2026: £254,950
Mileage and MOT
Advertised mileage is about 2,200 miles lower than the median mileage of a 2023 Porsche 911 on AskCar.
Similar cars
6 other 2023 Porsche 911 992 GT3 RS 4.0 petrol automatic coupes are for sale at UK dealers, from £199,995 to £350,000, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2023 Porsche 911 992 GT3 RS, 4.0 petrol coupe, grey. Mileage: 8,800 miles. Price: £264,999, £10,049 more than this car. Dealer: Oakmoore Car Company in Birmingham. AskCar page: https://askcar.co.uk/car/porsche-911-2023-bc543a712d88
- 2023 Porsche 911 992 GT3 RS, 4.0 petrol coupe, yellow. Mileage: 3,000 miles. Price: £350,000, £95,050 more than this car. Dealer: Asean Corporation in Ealing. AskCar page: https://askcar.co.uk/car/porsche-911-2023-d55b5c7fd98d
- 2023 Porsche 911 992 GT3 RS, 4.0 petrol coupe, white. Mileage: 2,945 miles. Price: £274,995, £20,045 more than this car. Dealer: RPM Motors (N.I.) in Belfast. AskCar page: https://askcar.co.uk/car/porsche-911-2023-a1b87e4dc4ab
Browse all Porsche 911 cars for sale · 2023 Porsche 911 price guide
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Photos
56 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.