V-10 vs 8.1 Vortec V-8
The V-10 is am awesome engine, and I love mine. I get 12.5 around town and anywhere from 14-16 on highway. But, if I was gonna be pulling a big trailer, I would go for the diesel. I would get the new 6.0 Power Stroke! It beats the snot out of Chevy's and Dodge's diesels!