1999 Porsche 911 3.4
Price: £12,000. Far below the going rate: £7,356 (38%) under the AskCar estimate of £19,356, 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. Worth asking the dealer why.
AskCar lists 2,458 used Porsche 911 from 618 UK dealerships, as of 8 November 2026.
Overview
- Make: Porsche
- Model: 911
- Version: 3.4 Manual 2dr (285 bhp)
- Year: 1999
- Mileage: 166,000 miles
- Body: Coupe, 2 doors
- Engine: 3.4 litres, 285 bhp
- Gearbox: Manual
- Colour: Silver
About this car
At 166,000 miles, this 1999 Porsche 911 has covered about 98,000 more miles than other 1999 Porsche 911 cars. This car is priced at £12,000, £7,356 below the AskCar estimate of £19,356. Such a large price gap is worth checking with the dealer. The AskCar estimate uses UK dealer asking prices, including 1,971 Porsche 911 adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 95 days. The government's MOT record matches its advertised mileage. You can find this car at Browns Car Company in Maldon. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 8 November 2026.
Price
Far below the going rate: £7,356 (38%) under the AskCar estimate of £19,356. Worth asking the dealer why.
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.
Time on sale
This 1999 Porsche 911 has been on sale for at least 95 days.
Price history
AskCar first saw this advert on 5 August 2026 at £12,000. 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: valid until 20 April 2027.
It has had 25 MOTs. The latest, on 21 April 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 165,983 miles, which matches the advertised 166,000 miles.
Advertised mileage is about 98,000 miles higher than the median mileage of a 1999 Porsche 911 on AskCar.
Browse all Porsche 911 cars for sale · 1999 Porsche 911 price guide
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Photos
16 photos of this car are on its AskCar page.
As of 8 November 2026, AskCar lists 595,762 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.