I find myself getting gas every few days from spring through fall just to scrub the bugs off the windshield, plus it gives me another opportunity to leave the house for a short drive.
From my experience, between the three S197 5.0's I've owned, they've all been on the safe side when alerting at the 50-miles-to-empty range, and when you get down under 15-miles to empty, I've almost always had 1.5 to 2.5 gallons left in the tank.
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2015 Mustang GT - Black w/Perf Package
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