2024 Traverse Z71 Mpg. Output (315 horsepower versus 310). Generally mileage at cruise is a tad better, 1mpg or so (though the new gen of trucks gained about 400lbs of mass), but if you're going to be in the throttle it drops fast.power takes fuel regardless of engine size.
Horsepower improves from 310 to 328; Use our handy tool to get estimated annual fuel costs based on your driving habits.