2008 Porsche 911 3.8 997 Carrera 4S
Price: £34,995. Good value: £4,587 (11%) under the AskCar estimate of £39,582, 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: 997 Carrera 4S
- Version: 3.8 997 Carrera 4S Tiptronic 4WD Euro 4 2dr Cabriolet S (350 bhp)
- Year: 2008
- Mileage: 48,860 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.8 litres, 350 bhp
- Gearbox: Automatic (Tiptronic)
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 286 g/km
- Emissions standard: Euro 4, ULEZ compliant
About this car
This 2008 Porsche 911 997 Carrera 4S has covered 48,860 miles, around 8,600 fewer miles than is typical for its age. The dealer is asking £34,995, which is £4,587 below the AskCar estimate of £39,582. To work out the AskCar estimate, we analyse UK dealer adverts for 1,926 Porsche 911 cars across different ages and specifications. It first appeared in our advert records 158 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Anthony James Cars, based in Horsham. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Good value: £4,587 (11%) under the AskCar estimate of £39,582.
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 2008 Porsche 911 with the 3.8 petrol engine is typically advertised at £33,500: the median of the 24 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2008 Porsche 911 has been on sale for at least 158 days.
Price history
AskCar first saw this advert on 28 May 2026 at £34,995. 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 2 November 2026: valid until 27 May 2027.
It failed its MOT on 26 May 2026 (offside front outer drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt) and passed 2 days later, on 28 May 2026.
There were no advisories at the latest test.
Mileage at that test: 48,893 miles, which matches the advertised 48,860 miles.
Advertised mileage is about 8,600 miles lower than the median mileage of a 2008 Porsche 911 on AskCar.
Similar cars
2 other 2008 Porsche 911 997 Carrera 4S 3.8 petrol automatic convertibles are for sale at UK dealers, from £31,995 to £32,948, as of 2 November 2026.
The 2 closest to this car in mileage:
- 2008 Porsche 911 997 Carrera 4S, 3.8 petrol convertible, black. Mileage: 50,000 miles. Price: £32,948, £2,047 less than this car. Dealer: Imperials -Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/porsche-911-2008-00d9d9112c71
- 2008 Porsche 911 997 Carrera 4S, 3.8 petrol convertible, black. Mileage: 65,878 miles. Price: £31,995, £3,000 less than this car. Dealer: Invictus Porsche in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/porsche-911-2008-058c47e3cb0e
Browse all Porsche 911 cars for sale · 2008 Porsche 911 price guide
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Photos
14 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.