Unless you’ve been hiding under a rock, you’ll know that used car prices have soared over the past two years and in Australia, few cars have increased in value quite like some of the rarer HSV models.

One of four Holden Special Vehicles GTSR W1 Maloo utes – built in secret for HSV collectors and VIPs – has broken the auction record for a road-going Holden. The $1.2 million sale of one of four HSV ...