Quote:
Originally Posted by Nickshu
Both my daily drivers require premium. The Silverado V8 won't do the cylinder deactivation / V4 mode without premium, then gas mileage is worse.
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Not to get OT in OT, but that premise is laughable. You need to buy more expensive gas in order to get better mileage. So, it's likely a wash, no?
OP, my DD requires Premium due to it's tune, and averages 20 with the pedal on the floor half the time.
