The 2009 Chevy Suburban is a 4-door SUV that seats up to nine passengers. The base Suburban LS 1500 2WD comes equipped with a standard 5.3L V8, 310-horsepower engine that gets 14-mpg in the city and 20-mpg on the highway. The Suburban LT2 2500 4WD is equipped with a standard 6.0L V8 engine that achieves 352-horsepower. A 6-speed automatic transmission with overdrive is standard on both trims. The 2009 Chevrolet Suburban is a carryover from 2008.