2023 Porsche 911 4.0 992 GT3

Price: £159,995. Good value: £15,645 (8%) under the AskCar estimate of £175,640, 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 PDK RWD Euro 6 2dr (503 bhp)
  • Year: 2023
  • Mileage: 5,750 miles
  • Fuel: Petrol
  • Body: Coupe, 2 doors, 2 seats
  • Engine: 4.0 litres, 503 bhp
  • Gearbox: Automatic (PDK)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 294 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Porsche 911 992 Gt3 has covered 5,750 miles, around 4,300 fewer miles than is typical for its age. The AskCar estimate for this car is £175,640. It is priced at £159,995, which is £15,645 below that estimate. The AskCar estimate uses 1,962 UK dealer adverts for the Porsche 911, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. Its advertised mileage matches the government's MOT record. It is advertised by Startin Group in Leamington Spa. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Good value: £15,645 (8%) under the AskCar estimate of £175,640.

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

AskCar first saw this 2023 Porsche 911 advertised today. About half of 2023 Porsche 911 cars are gone from sale within a month of being advertised: 176 of the 330 first advertised between 7 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 5 November 2026 at £159,995. 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 28 July 2027.

It has had one MOT, on 29 July 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 5,213 miles, which matches the advertised 5,750 miles.

Advertised mileage is about 4,300 miles lower than the median mileage of a 2023 Porsche 911 on AskCar.

Similar cars

9 other 2023 Porsche 911 992 GT3 4.0 petrol automatic coupes are for sale at UK dealers, from £159,950 to £238,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2023 Porsche 911 992 GT3, 4.0 petrol coupe, blue. Mileage: 5,750 miles. Price: £166,950, £6,955 more than this car. Dealer: Scuderia Prestige Automobile in Camberley. AskCar page: https://askcar.co.uk/car/porsche-911-2023-2edf7309571b
  • 2023 Porsche 911 992 GT3, 4.0 petrol coupe, black. Mileage: 5,500 miles. Price: £184,999, £25,004 more than this car. Dealer: Oakmoore Car Company in Birmingham. AskCar page: https://askcar.co.uk/car/porsche-911-2023-840159bebadd
  • 2023 Porsche 911 992 GT3, 4.0 petrol coupe, grey. Mileage: 4,512 miles. Price: £238,995, £79,000 more than this car. Dealer: RPM Motors (N.I.) in Belfast. AskCar page: https://askcar.co.uk/car/porsche-911-2023-eeabbbe1a0da

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

More like this

Photos

44 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.