What's The MPG Of An EcoTec3 5.3L V8? Here's What Drivers Say
If you're considering a truck with an EcoTec3 5.3L V8 you may have wondered whether it was efficient on gas. Here's what to expect based on owners.
If you're considering a truck with an EcoTec3 5.3L V8 you may have wondered whether it was efficient on gas. Here's what to expect based on owners.
