Thread: Should I Buy a GTP or GXP

Originally Posted by GTP131

The GTP will be better on gas.

The LS4 has DoD and doesn't require premium fuel, and has a higher EPA est MPG.

Other than that, get a GTP

Originally Posted by industrialfish

The LS4 has DoD and doesn't require premium fuel, and has a higher EPA est MPG.

Other than that, get a GTP

Bro the ls4 most certainly does require premium fuel. I ran 91 and even 89 for awhile until I knew and saw more KR then I would of liked. Premium fuel...not really much of anything

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