Premium fuel in the 1.6 Alpha: terrible MPG
02-05-2013, 10:23 AM
#1
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Vehicle: 2005 Accent GSI
Premium fuel in the 1.6 Alpha: terrible MPG
So one of the gas stations by my house had broken pumps, and it was selling 91 octane at 87 prices. So I thought, "what the hell." I normally get about 28mpg combined in the summer, and it drops to 25 in the winter, but during those couple of weeks in January on premium, I clocked in the lowest I've ever seen: 19.4mpg. I didn't even feel any extra power. Definitely not doing that again, but has anyone else attempted putting super in a car that didn't require it? Did you see similar results?
02-05-2013, 11:14 AM
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Octane is resistance to burn.. so I could see that. Especially if you are having weak spark issues, etc. My accent didn't seem to give a crap when I tried it.
02-05-2013, 03:12 PM
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It shouldn't go down noticeably. I'd be suspicious of any gas station's QC if they can't even charge the correct price.
