A carry-over from 2004. the 2005 Suburban is offered in eighteen various trim combinations of LS. LT or LTZ. This up-to-nine-passenger full size SUV can be ordered in both 2 and four-wheel-drive configuration. There is a 1500 (half-ton) or a 2500 (three-quarter lot) series and both come standard with a 5.3-liter V8 that produces 295 horsepower. or the optional 6.0-liter that creates 335 horse power ... One