There are just two types of engine oils recommended for vehicles with Chevy 5.3 engines. The oils are 5w30 and 0w20. GM Dexos-approved 5w30 oils are the best for your 1999 – 2013 Chevy 5.3 vehicles. However, the 2014 Chevy Suburban 5.3 and Tahoe 5.3 can use 5w30 oils, too.