Prototypes spotted in Death Valley reveal few significant styling changes from the recently introduced X6 other than an obvious bulge in the hood. Subsequent photos show a maze of electrical connections beneath the protruding sheet metal. All the extra hardware is necessary to control what's expected to be a two-mode hybrid system similar to what's found in GM's current Tahoe and Escalade Hybrid SUVs. BMW partnered with GM and Daimler in the development of the system.
The two-mode system essentially combines electric motors with a sophisticated automatic transmission and traditional gasoline engine. It is able to provide pure electric power like a Prius, but most of the time it's a mix of both gasoline and electric power. A fuel mileage improvement of around 10-15 percent is about all you can expect given the added weight of the hybrid system's batteries combined with the X6's already substantial curb weight.
With full production of the V8-powered X6 just now starting to ramp up to full speed, the introduction of the 2010 BMW X6 ActiveHybrid (as BMW calls it) is probably at least a year away. Expect a substantial price bump, one that could put this hybrid BMW's base price in the $70,000 range. So much for saving money on gas.
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