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Old 03-10-2009, 04:51 PM   #1
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Tried doing some searches and nothing cant up so Ill ask

What RPMs are you seeing per MPH.

The reason I ask is fuel mileage,,,, I thought this car would do better.

Rpms seem high compared to my old STS and milkeage seems lower,,,, aslo ,,, tip in pedal seems higher to get the car rolling then Im used to

Anyway,,,, I see

1500 RPM at 55 mph,,, almost 30 MPG

1750 rpm at 65 mph didnt note mileage

2000 rpm at 75 mph ,,,,drops to 24 mph

seems severe to me,,,, maybe normal and thats fine,,,, just want to make sure Im in the norm

Thanks all !!!!
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Old 03-10-2009, 04:58 PM   #2
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That'* no bad at all. I get 28 when I'm doing good, about 20 now, and about 17 in the winter.
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Old 03-10-2009, 05:01 PM   #3
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Seems pretty normal. You wont see the same mileage or speed/rpm range as your STS. Different engines, transmissions, and final gear ratio'*
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Old 03-10-2009, 05:06 PM   #4
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Thats what I figured ,,,,, the performance ratio'* were hurting it.

I guess I was mainly concerned that it was going into lockup

The overall mileage combined is better then the STS was ,,, so all in all im happy,,,,

not to mention a way better looking car !!!!!!

Thanks !!!!
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Old 03-10-2009, 05:14 PM   #5
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compared to


OK,,,l scratch that,,,, SSEI pic wont upload,,,, anyway 03 Charcol grey chrome wheels
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