1999 Porsche 911 3.6 996 GT3
Price: £149,995. Above the going rate: £90,722 (153%) over the AskCar estimate of £59,273, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,972 priced Porsche 911 adverts on AskCar as of 7 November 2026.
AskCar lists 2,462 used Porsche 911 from 621 UK dealerships, as of 7 November 2026.
Overview
- Make: Porsche
- Model: 911
- Trim: 996 GT3
- Version: 3.6 996 GT3 Manual RWD Euro 4 2dr (381 bhp)
- Year: 1999
- Mileage: 20,000 miles
- Fuel: Petrol
- Body: Coupe, 2 doors, 2 seats
- Engine: 3.6 litres, 381 bhp
- Gearbox: Manual
- Drive: Rear-wheel drive
- Colour: Yellow
- CO2: 328 g/km
- Emissions standard: Euro 4, ULEZ compliant
About this car
With 20,000 miles on the clock, this 1999 Porsche 911 996 Gt3 has done roughly 48,000 fewer miles than a typical 1999 Porsche 911. Priced at £149,995, it is advertised £90,722 above the AskCar estimate of £59,273. The AskCar estimate draws on 1,972 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 108 days ago. The recorded MOT expired on 20 July 2026, so ask the dealer whether it has been renewed. Its advertised mileage matches the government's MOT record. It is for sale at DMB Collection Thirsk in North Yorkshire. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 7 November 2026.
Price
Above the going rate: £90,722 (153%) over the AskCar estimate of £59,273.
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 1,972 priced Porsche 911 adverts across different ages and specifications, as of 7 November 2026.
Time on sale
This 1999 Porsche 911 has been on sale for at least 108 days.
Price history
AskCar first saw this advert on 22 July 2026 at £149,995. 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 7 November 2026: the latest record we hold ran out on 20 July 2026; ask the dealer for the current MOT.
It has had 11 MOTs. The latest, on 21 July 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 19,968 miles, which matches the advertised 20,000 miles.
Advertised mileage is about 48,000 miles lower than the median mileage of a 1999 Porsche 911 on AskCar.
Browse all Porsche 911 cars for sale · 1999 Porsche 911 price guide
More like this
- Used manual Porsche 911 for sale
- Used petrol Porsche 911 for sale
- Used Porsche 911 for sale near Northallerton
Photos
43 photos of this car are on its AskCar page.
As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.