The 2017 Holden Special Vehicles GTSR W1 is it. The end. Fin. After all the rumors and possibilities, HSV revealed the GTSR W1 to be the most powerful Australian production car ever made. To that end, it is, but its performance claims weren’t met in a recent round of testing.
Wheels reports the GTSR W1 managed to clock a quarter mile time of 12.3 seconds at 121 mph and sprint from 0-62 mph in 4.5 seconds with its standard 6.2-liter supercharged LS9 V8 engine. Those are no figures to scoff at, realizing the GTSR W1 still rides on GM’s hefty Zeta platform with room and comfort for passengers.
However, HSV’s estimates weren’t met. 0-62 mph should be dispatched in 4.2 seconds and the advertised quarter mile time sits at 12.1 seconds. The report states the test was conducted multiple times through various launch techniques. Weather cooperated, too, giving testers dry surfaces and light winds. Yet, the GTSR W1 wouldn’t hook.
Of course, there’s a catch in all of this. HSV stated its numbers were achieved in “perfect conditions” with “light fuel.” Every pound counts when it comes to quick acceleration and quarter mile times.
But, as stated, the GTSR W1 is still one for the history books. It still holds the title of the most powerful Australian production car ever. We doubt slightly off track performance numbers will sway potential customers, that is, if you can still get your hands on one.