The 2009 Chrysler Aspen hybrid system, jointly developed with GM and BMW, is the big news this year. The Aspen is combined with a Hemi V8 exuding 345 hp/380 lb-ft of torque and estimated 25% fuel economy increase, resulting in 19 mpg city/20 mpg hwy. The Aspen is available in rear-wheel drive or 4WD. The standard engine is a 4.7L V8 good for 303 hp and 330 lb-feet of torque paired with a 5-speed automatic. Fuel economy is 14 mpg city/19 mpg hwy and 15 mpg combined for models with 2WD. Four-wheel-drive Aspens with this engine have a 13/17/15 mpg rating. Optional is a 5.7-liter Hemi V8 that produces 376 hp and 401 lb-ft of torque and a 5-speed automatic. Fuel economy is 13 city/19 hwy and 15 combined with 2WD and 13/18/15 with 4WD. The 8-passenger 2009 Chrysler Aspen SUV comes with antilock disc brakes, stability and traction control, trailer sway control and side curtain airbags.