BMW's Vision Concept Car - 3 Engines, 62.6 mpg


The diesel engine by itself develops 163 hp and 214 lb-ft of torque while the rear electric motor normally generates 33 hp and 214 lb-ft and the front electric motor generates 80 hp and 162 lb-ft. When more power is needed for acceleration and passing, both electric motors can be called on to boost output. The rear electric motor can temporarily increase its output to 51 hp while the front electric motor can boost power to 112 hp in 30-second bursts or 139 hp in 10-second bursts. Combined, all three motors create 356 hp and 590 lb-ft of torque, according to the automaker. BMW says its enough to rocket the Vision to 62 mph in 4.8 sec and hit an electronically-limited top speed of 155 mph, all the while getting 62.6 mpg average on the European cycle and emitting only 99 grams per kilometer of CO2, or 0.35 lbs per mile.








from http://www.motortrend.com/auto_shows/frankfurt/2009/112_0908_bmw_vision_efficient_dynamics_concept/index.html

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