For the first time in many years, the engineers at Holden, GM's Down Under division, have cut the power of a V8 engine in the big Commodore sedan. The 6.0L V8 automatic transmission combination in the Commodore is now equipped with Active Fuel Management, GM's terminology for cylinder deactivation. The system allows four cylinders to be shut off at light load conditions. In the Commodore (which is sold in North America as the Pontiac G8) the power drops from 362 hp to 349 hp while combined fuel efficiency goes from 16.44 mpg to 18.23 mpg (US). That's still not particularly impressive, but the 1.8 mpg increase is at least notable.

[Source: Drive.com.au]


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