The naturally aspirated 3.8-litre Ecotec V6 came standard on the Executive, with the option of the Supercharged Ecotec V6 or Gen III V8 engine. V6 engines were coupled to a five-speed manual transmission, and V8s came with a six-speed manual.
On the Executive model, a 3.8-litre Ecotec V6 engine was fitted as standard, with the possibility of upgrading to either a supercharged or Gen III V8 engine. The smaller V6 engines were connected to a five-speed gearbox, whereas the larger V8s were paired with a six-speed manual.