The rare matching-numbers A9X Torana has already been snapped-up, due to its low mileage.
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An original 1977 Holden Torana SL/R 5000 has sold for $425,000, thanks to its low mileage and rare options list.

What makes this particular Holden so desirable is its rare A9X package, which was introduced as a way for the car company to fit more competitive performance parts to their racing cars, which had to be based on their road-going version.

This particular Tuxedo Black sedan has less than 30,000 kilometres on the clock, and was held onto by the last owner for 28 years.

The rare Parchment interior is completely original, with no reproduction parts added. As expected, the vehicle is what's known as a 'matching numbers' car, fitted with the engine and gearbox that accompanied the chassis from the factory.

Not only does this Torana have full history and books, the vehicle also came with the original advertisement for this exact car, from 1977.

All Toranas optioned with the A9X package received a reverse-cowl bonnet scoop, upgraded brakes and axles, and a heavy-duty differential. A 5.0-litre Holden V8 sits under the bonnet.

Adjusted for inflation, the $425,000 price tag represents an increase of approximately 684 per cent over the car's original price of $9560.

The Holden Torana SL/R 5000 A9X was offered by Australian Muscle Car Sales.