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Old 01-14-2013, 02:20 PM
Jamesonsviggen Jamesonsviggen is offline
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Location: Michigan
Join Date: Jun 2007
Posts: 3,259
Mein Auto: '98 M E36/7:'06 Saab 9-5
Originally Posted by beden1 View Post
My '09 ZO6 with 505 HP averaged 27+ MPG at an average highway speed of 76 MPH on a relatively flat N/S I-95 during my last trip from SE FL to PA. I read an article quoting GM saying the new C7 with 450+ HP should do 28-30 MPG doing legal speeds on the highway.

That's incredible from a V8. My '01 C5 Vette with 340 HP used to get 32 MPG in 6th gear on the highway averaging 72 MPH all day long.

BMW really could learn from the GM engineers about how to get high MPG from high output engines.

The C7 will be a bit heavier than the C6.
The target for the C7 was UNDER 3000lbs, so nearly 10-12% lighter. There is no official data yet, but even though I think it's going to crack 3100, it should still be lighter than the C6.

Remember, your Z06 was on a different chassis utilizing lighter weight materials than the regular C6.

E36/7: Dinan/RMS stage 2+ blower@11-16lbs of BOOST! 18" BBS LM's, too much more to list
F30: 6mt, SOLD

'06 Saab 9-5 wagon 5mt LSD, clipped turbo, 19psi, 400ft lbs of tq
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