Thread: What's your average MPG for your 370z?
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Old 07-21-2011, 02:10 PM   #39 (permalink)
sillyme
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Quote:
Originally Posted by scruffydog View Post
yea, i would think the A/C at max affects me 0.5-1 MPG. Right now i'm tracking it with both the on dash computer and the one on the NAV. Sometimes it varies by ~0.4 MPG but right now it's locked on 17.4 MPG as the best.

I would also track it by the number of gallons since last fill up and the amt of miles I can drive before i reach to about the same point. It's usually around 320 miles max for 17 gallons.

My buddies' 2007 Corvette get's 19 MPG and that's a V8 much bigger engine. More reason as to why I'm concerned. I should at least get 20 MPG.
I had a 09 Corvette with 436 HP. cruising on the highway it would get 28 to 30, sometimes more, and it had the performance rear end gear ratio. At about 70 MPH it would be turning 1700 rpm on the tach.
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