The new V6, named ‘Alloytec’ for Australia, has been produced for export in Holden’s engine plant in Port Melbourne, Victoria, since late last year and will be introduced to the local market ...

The old Timberline was only offered with a turbocharged 2.3-liter inline-4 making 300 horsepower, which remains the Tremor's base engine, but customers will also be able to order a 400-hp twin ...