The 2009 Jeep Grand Cherokee is part of the model's third generation. It comes in three different trims - Laredo, Limited and Overland - and also includes a performance-oriented SRT-8 model. Engine options vary from a standard 3.7-liter V6 with 210 horsepower to a 5.7-liter Hemi V8 that provides 357 horsepower. The SRT-8 variant takes it up a notch with a 6.1-liter V8 that outputs 420 horsepower. Fuel economy ranges from 13-16 mpg in the city and 19-21 mpg on the highway. A five-speed automatic is the standard transmission. Rear-wheel drive is standard with an option for four-wheel drive. It features stability control and side-curtain airbags as standard safety equipment. Infotainment includes a six-speaker audio system with an available upgrade to a premium sound system and optional navigation.