2008 Porsche 911 3.8 997 Carrera S
Price: £29,995. Fair price: £1,290 (4%) under the AskCar estimate of £31,285, 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
- Trim: 997 Carrera S
- Version: 3.8 997 Carrera S PDK RWD Euro 5 2dr Cabriolet (385 bhp)
- Year: 2008
- Mileage: 78,161 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 4 seats
- Engine: 3.8 litres, 385 bhp
- Gearbox: Automatic (PDK)
- Drive: Rear-wheel drive
- Colour: Black
- CO2: 242 g/km
- Emissions standard: Euro 5, ULEZ compliant
About this car
This 2008 Porsche 911 997 Carrera S is advertised with 78,161 miles, approximately 20,700 above the typical mileage for its age. The dealer is asking £29,995, which is £1,290 below the AskCar estimate of £31,285. To work out the AskCar estimate, we analyse UK dealer adverts for 1,947 Porsche 911 cars across different ages and specifications. The asking price is now £4,000 lower than when we first recorded the advert 96 days ago. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at Invictus Porsche in Uttlesford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £1,290 (4%) under the AskCar estimate of £31,285.
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 2008 Porsche 911 with the 3.8 petrol engine is typically advertised at £34,500: the median of the 24 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2008 Porsche 911 has been on sale for at least 96 days.
Price history
AskCar first saw this advert on 31 July 2026 at £33,995. Its asking price is now £29,995, £4,000 less. The latest price cut was seen on 5 October 2026.
Price changes recorded:
- 31 July 2026: £33,995
- 10 August 2026: £31,995
- 5 October 2026: £29,995
Mileage and MOT
MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 12 August 2027.
It has had 22 MOTs. The latest, on 13 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 78,301 miles, which matches the advertised 78,161 miles.
Advertised mileage is about 20,700 miles higher than the median mileage of a 2008 Porsche 911 on AskCar.
Similar cars
1 other 2008 Porsche 911 997 Carrera S 3.8 petrol automatic convertible is for sale at UK dealers, as of 4 November 2026.
The closest to this car in mileage:
- 2008 Porsche 911 997 Carrera S, 3.8 petrol convertible, black. Mileage: 65,500 miles. Price: £25,995, £4,000 less than this car. Dealer: Kams Cars in Borehamwood. AskCar page: https://askcar.co.uk/car/porsche-911-2008-e47c892b7907
Browse all Porsche 911 cars for sale · 2008 Porsche 911 price guide
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Photos
70 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.