The very last iteration of the Aussie-built Holden Commodore will make use of a supercharged V8 “LS9” engine.

General Motors is getting ready to sunset the Adelaide-built Holden Commodore, but that won’t happen until a last hurrah which will take the shape of the most powerful and quickest Commodore ever. A report coming from Australia suggests the car will be equipped with the mighty supercharged 6.2-liter V8 “LS9” engine sourced from the Corvette ZR1 and will deliver more than 600 horsepower (475 kilowatts). The high-powered engine is going to work exclusively with a manual transmission to keep purists happy and also because an automatic transmission would not be able to cope with all that power, according to News Corp Australia.

Although a report which emerged late last year indicated the model in question would be called HSV “GTS-R” as a nod to the namesake 1996 special edition, it now seems that won’t be the case after all. The hardcore HSV GTS limited-run edition is expected to bear a different name in order to better show off its special status. Fewer than 250 cars will ever be made and it is believed pricing will kick off at more than $165,000, a lot more than the regular $95,990 GTS with the six-speed manual gearbox.

Interestingly, the report indicates all cars will be partially built on the Adelaide production line with the GTS’ regular engine, but the vehicles will then be sent to HSV’s Melbourne facility to get the V8 “LS9” transplant. That’s one of the reasons why the car is going to carry a very steep price tag. Even so, demand is expected to eclipse supply for what will serve as the swan song of the locally-built Commodore.

Note: Regular HSV GTS pictured.