2008 Porsche 911 3.8 997 Carrera 4S

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: 50,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 3.8 litres, 350 bhp
• Gearbox: Automatic (Tiptronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 286 g/km
• Emissions standard: Euro 4, ULEZ compliant

About this car

At 50,000 miles, this 2008 Porsche 911 997 Carrera 4S has covered about 7,500 fewer miles than other 2008 Porsche 911 cars. Priced at £32,948, it is advertised £6,333 below the AskCar estimate of £39,281. The AskCar estimate draws on 1,926 Porsche 911 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £2,000. The latest recorded MOT expiry date is 14 October 2026, which has passed. Confirm its status with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Imperials -Chelmsford, based in Chelmsford. 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: £6,333 (16%) under the AskCar estimate of £39,281.

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 £34,948. Its asking price is now £32,948, £2,000 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 28 May 2026: £34,948
• 30 July 2026: £32,948
• 31 July 2026: £34,948
• 23 September 2026: £32,948

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: the latest record we hold ran out on 14 October 2026; ask the dealer for the current MOT.

It failed its MOT on 13 October 2025 (windscreen washer not working) and passed 2 days later, on 15 October 2025.

There were no advisories at the latest test.

Mileage at that test: 49,217 miles, which matches the advertised 50,000 miles.

Advertised mileage is about 7,500 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 £34,995, as of 2 November 2026.

The 2 closest to this car in mileage:

• 2008 Porsche 911 997 Carrera 4S, 3.8 petrol convertible, silver. Mileage: 48,860 miles. Price: £34,995, £2,047 more than this car. Dealer: Anthony James Cars in Horsham. AskCar page: https://askcar.co.uk/car/porsche-911-2008-a28a322c42c0
• 2008 Porsche 911 997 Carrera 4S, 3.8 petrol convertible, black. Mileage: 65,878 miles. Price: £31,995, £953 less than this car. Dealer: Invictus Porsche in Bishop's Stortford. AskCar page: https://askcar.co.uk/car/porsche-911-2008-058c47e3cb0e