The 993 was the final generation of the air-cooled 911 and as such will always have a special place in the affections of Porsche enthusiasts.

It's also widely said to be the last of the 911s that were built whilst engineering integrity overruled accounting pressures at Porsche.

20 years on, it still looks modern - a truly timeless design.

It was introduced in the autumn of 1994 and was claimed to be 80% new with more curvaceous bodywork and a number of new panels creating a much smoother and more integrated look however, importantly, this new style was still every inch a 911 in the traditional manner, with the profiles of the doors and rear quarter windows remaining unchanged from earlier models.

Finished in Polar Silver with Classic Grey leather, this four-wheel drive, 6-speed manual gearbox, left-hand drive 993 Coupé was originally supplied by Sonnen Porsche of San Francisco (original invoice in file) and is believed to have been specified from new with air conditioning, CD play...