2005 Porsche 911 3.8
Price: £29,990. Fair price: £1,876 (6%) over the AskCar estimate of £28,114, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,971 priced Porsche 911 adverts on AskCar as of 8 November 2026.
AskCar lists 2,458 used Porsche 911 from 618 UK dealerships, as of 8 November 2026.
Overview
- Make: Porsche
- Model: 911
- Version: 3.8 Manual 2dr (350 bhp)
- Year: 2005
- Mileage: 94,000 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.8 litres, 350 bhp
- Gearbox: Manual
- Colour: Black
- CO2: 280 g/km
About this car
This 2005 Porsche 911 has covered 94,000 miles. Priced at £29,990, it is advertised £1,876 above the AskCar estimate of £28,114. To work out the AskCar estimate, we analyse UK dealer adverts for 1,971 Porsche 911 cars across different ages and specifications. We have tracked this advert for 121 days. The latest MOT recorded 94,584 miles, above the advertised mileage. Check this with the dealer. Our latest MOT record expired on 29 July 2026. Check the current position with the dealer. You can find this car at Benz Bavarian in Derby. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Fair price: £1,876 (6%) over the AskCar estimate of £28,114.
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 1,971 priced Porsche 911 adverts across different ages and specifications, as of 8 November 2026.
A 2005 Porsche 911 with the 3.8 petrol engine is typically advertised at £30,000: the median of the 19 for sale on AskCar, as of 8 November 2026.
Time on sale
This 2005 Porsche 911 has been on sale for at least 121 days.
Price history
AskCar first saw this advert on 10 July 2026 at £29,990. 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 8 November 2026: the latest record we hold ran out on 29 July 2026; ask the dealer for the current MOT.
It has had 16 MOTs. The latest, on 30 July 2025, passed.
There were no advisories at the latest test.
Mileage at that test: 94,584 miles. The advert says 94,000 miles, fewer than the MOT record, so ask the dealer which is right.
Advertised mileage is about 30,200 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
42 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,629 cars and vans from 12,891 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.