2005 Porsche 911 3.8
Price: £19,995. Fair price: £700 (3%) under the AskCar estimate of £20,695, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,947 priced Porsche 911 adverts on AskCar as of 4 November 2026.
AskCar lists 2,434 used Porsche 911 from 619 UK dealerships, as of 4 November 2026.
Overview
- Make: Porsche
- Model: 911
- Version: 3.8 Auto 2dr
- Year: 2005
- Mileage: 128,850 miles
- Fuel: Petrol
- Body: 2 doors, 4 seats
- Engine: 3.8 litres
- Gearbox: Automatic
- Colour: White
About this car
This 2005 Porsche 911 is advertised with 128,850 miles, approximately 66,000 above the typical mileage for its age. Its asking price of £19,995 is £700 below the AskCar estimate of £20,695. The AskCar estimate draws on 1,947 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records 39 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Mayfair Motor Solutions in Marble Arch. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £700 (3%) under the AskCar estimate of £20,695.
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 1,947 priced Porsche 911 adverts across different ages and specifications, as of 4 November 2026.
A 2005 Porsche 911 with the 3.8 petrol engine is typically advertised at £30,000: the median of the 21 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2005 Porsche 911 has been on sale for at least 39 days.
Price history
AskCar first saw this advert on 26 September 2026 at £19,995. Its asking price has not changed.
Mileage and MOT
It has had one MOT, on 1 July 2026, and passed.
There were no advisories at the latest test.
Mileage at that test: 128,894 miles, which matches the advertised 128,850 miles.
Advertised mileage is about 66,000 miles higher than the median mileage of a 2005 Porsche 911 on AskCar.
Browse all Porsche 911 cars for sale · 2005 Porsche 911 price guide
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Photos
40 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.