2023 Porsche 911 4.0 992 GT3 RS

Price: £199,995. Good value: £28,878 (12%) under the AskCar estimate of £228,873, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,926 priced Porsche 911 adverts on AskCar as of 2 November 2026.

AskCar lists 2,411 used Porsche 911 from 625 UK dealerships, as of 2 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: 13,382 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 2 seats
  • Engine: 4.0 litres, 518 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Rear-wheel drive
  • Colour: Grey
  • CO2: 299 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Porsche 911 992 Gt3 RS has covered 13,382 miles, around 3,700 more miles than is typical for its age. The AskCar estimate for this car is £228,873. It is priced at £199,995, which is £28,878 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,926 Porsche 911 cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 99 days. It is advertised by RPM Motors (N.I.) in Crumlin. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £28,878 (12%) under the AskCar estimate of £228,873.

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 1,926 priced Porsche 911 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Porsche 911 with the 4.0 petrol engine is typically advertised at £165,000: the median of the 31 for sale on AskCar, as of 2 November 2026.

Time on sale

The dealer may accept less. This 2023 Porsche 911 has been on sale for at least 99 days. About half of 2023 Porsche 911 cars are gone from sale within a month of being advertised: 170 of the 315 first advertised between 7 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 26 July 2026 at £199,995. Its asking price has not changed.

Mileage and MOT

Advertised mileage is about 3,700 miles higher 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 £229,995 to £274,995, as of 2 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, £65,004 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, silver. Mileage: 7,800 miles. Price: £254,950, £54,955 more than this car. Dealer: Redline Specialist Cars in Knaresborough. AskCar page: https://askcar.co.uk/car/porsche-911-2023-de3a2723b1f7
  • 2023 Porsche 911 992 GT3 RS, 4.0 petrol coupe, yellow. Mileage: 3,000 miles. Price: £249,950, £49,955 more than this car. Dealer: Asean Corporation in Ealing. AskCar page: https://askcar.co.uk/car/porsche-911-2023-d55b5c7fd98d
  • The nearest: 2023 Porsche 911 992 GT3 RS, 4.0 petrol coupe, white, under a mile from this car. Mileage: 1,728 miles. Price: £269,995, £70,000 more than this car. Dealer: RPM Motors (N.I.) in Belfast. AskCar page: https://askcar.co.uk/car/porsche-911-2023-270e28559fd3

Browse all Porsche 911 cars for sale · 2023 Porsche 911 price guide

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Photos

32 photos of this car are on its AskCar page.

As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.