2008 Porsche 911 3.8 997 Carrera S

Price: £25,995. Good value: £5,854 (18%) under the AskCar estimate of £31,849, 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 S
  • Version: 3.8 997 Carrera S Tiptronic RWD Euro 4 2dr Cabriolet (350 bhp)
  • Year: 2008
  • Mileage: 65,500 miles
  • Fuel: Petrol
  • Body: Convertible, 2 doors, 4 seats
  • Engine: 3.8 litres, 350 bhp
  • Gearbox: Automatic (Tiptronic)
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 283 g/km
  • Emissions standard: Euro 4, ULEZ compliant

About this car

This 2008 Porsche 911 997 Carrera S has covered 65,500 miles, around 8,000 more miles than is typical for its age. The dealer is asking £25,995, which is £5,854 below the AskCar estimate of £31,849. To work out the AskCar estimate, we analyse UK dealer adverts for 1,926 Porsche 911 cars across different ages and specifications. We first recorded this car for sale 90 days ago. The government's MOT record matches its advertised mileage. It is for sale at Kams Cars in Borehamwood. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £5,854 (18%) under the AskCar estimate of £31,849.

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 90 days.

Price history

AskCar first saw this advert on 4 August 2026 at £25,995. 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 26 March 2027.

It has had 21 MOTs. The latest, on 27 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 65,088 miles, which matches the advertised 65,500 miles.

Advertised mileage is about 8,000 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 2 November 2026.

The closest to this car in mileage:

  • 2008 Porsche 911 997 Carrera S, 3.8 petrol convertible, black. Mileage: 78,161 miles. Price: £29,995, £4,000 more than this car. Dealer: Invictus Porsche in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/porsche-911-2008-a5041493ef5a

Browse all Porsche 911 cars for sale · 2008 Porsche 911 price guide

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Photos

48 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.