While I agree with your numbers, where does it stop? Should I be satisfied with 20 mpg? 18? The truth is that my car is not anywhere near their estimates, I wish manufactures lowballed them so we would actually feel better about the same results.
About inefficiency due to not using the turbo: Is there anyway to have it engage at lower RPMs? Are there any statistics out there for what is the best fuel efficiency at what RPM's in the GT?
Okay, next oil change I will change to synthetic. Should I start going every 3k miles as well?
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