The most important change in Commodore's history
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New state-of-the-art Spark Ignition Direct Injection (SIDI) technology will be introduced on all petrol V6 models from September, promising fuel economy that not only outstrips any V6 in its class, but also beats some 4-cylinder cars.
SIDI Efficiency
SIDI technology means some models now achieve better fuel economy than a range of smaller four-cylinder cars.
Learn more about SIDI EfficiencySIDI Performance
SIDI technology gives you dramatically increased performance for less fuel. The best of both worlds.
Learn more about SIDI PerformanceSIDI Refinement
Beautifully combined with a smooth six-speed transmission, SIDI technology is a world-class drive.
Learn more about SIDI RefinementSIDI Technology
Spark Ignition Direct Injection is the next generation of engine technology. See how it works.
Learn more about SIDI Technology