285.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) Wondering which trim is right for you? Our 2003 Chevrolet Suburban trim comparison will help you decide.
See all generations of the Chevrolet Suburban: discover information about every model year and check out what was changed.
The original Chevrolet ... Suburban was available with new 5.3- and 6.0-liter V-8 engines. Later, the brawny Suburban 2500 could be ordered with an 8.1-liter “big-block” V-8. Starting in 2003 ...