First things first.

There’s not much history to go with this car, but here's what we do know;

We can tell from the body kit and the logos on the wheels and steering wheel that legendary Porsche fettlers and tweakers RUF have played a part in building or modifying this car.

But we’re also firmly of the opinion that they’ve worked their special brand of magic on the engine, too.

We know that 930 Turbos are fast. Of course they are. That’s the point of them.

But this one is just bonkers.

Press your foot to the floor and wait a couple of seconds for the turbo to spool up. Then grip the steering wheel with all your might and start stamping on the brakes like you’re trying to put out a bush fire.

The tsunami of brute force that lets rip when the power comes on line is simply extraordinary.

Left unchecked it will pin your ears back and catapult you through the horizon towards some new and undiscovered dimension of space-time.

All the while, the flat-six is roaring away and the exhaust is crackling, snorting and popping like an explosion at a fireworks warehouse.

When your author returned from driving it (in the wet), he had to be comforted by colleagues and taken to a dark room to listen to whale song until he’d stopped twitching.

Mercy.

Our brief ‘research’ tells us that RUF were in the habit of punching out the 3.3 litre flat-six engine to 3.4 litres, adding a twin-plug setup, Carrillo connecting rods, RUF pistons, RUF cams, a larger intercooler and turbocharger, custom exhaust manifolds, and tuning it all up until it was in a state of barely containable tarmac-shredding fury.

These seriously tweaked cars went by the internal designation ‘RUF BTR’, with the last three initials being an abbreviation for Group B Turbo.

In RUF’s own words, the BTR, “…was inspired by the FIA Group B regulations of the time, utilising a 930 Turbo as a basis to compete with the fastest products from Ferrari, Lamborghini and Porsche itself. The BTR was routinely regarded as the world’s fastest accelerating road car at the time”.

Of all the RUF BTRs created between 1983 and 1989, no more than 30 were built by RUF from scratch. The rest were converted from existing 930 Turbos.

There is a RUF BTR plate in this car’s engine bay.

Our experience of driving this ferocious vehicle gives us no reason whatsoever to doubt that this car is indeed a RUF BTR and almost certainly converted from a customer car.

All of which makes it really very special indeed.

1987 Porsche 911 (930) Turbo

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