Is a 5.3 liter engine better that a 4.8?

Yes, What you have to remember is the bigger the motor the longer its going to last you. Its going to be stronger for pulling, Also if you dont strain the motor by pulling much its going to last long on miles vs the 4.8.L Yes, What you have to remember is the bigger the motor the longer its going to last you. Its going to be stronger for pulling, Also if you dont strain the motor by pulling much its going to last long on miles vs the 4.8.L