Thread: N54 vs. N55
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      06-01-2010, 07:02 PM   #8
Jonn335
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Drives: F07 535 GT
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Quote:
Originally Posted by shiv@vishnu View Post
The n55 does get really good fuel economy. On my 3700 cross country trek last week, I would routinely see mpg in the 24-28 range despite very high average speeds (driving through nevada at 2am). The 7 speed DCT seems to help though. Very tall 7th gear!

shiv
I agree with this, I just bought a 535GT and broke it in with a 3000 mile weekend trip from Scotland to the Spanish GP at Barcelona. It had 15 miles on the clock when we left the house.
I didn't zero the trip computer at all, and after 3000 miles of say 10% crawling through city traffic, 90% high speed cruising (90-100mph) the car averaged 28MPG (IMP) which is about 25mpg for US gallons. I was prety inpressed with this for such a roomey car. Mine is the 8 speed auto and the top gears are TALL the revs drop right down when cruising. overall I'm very impressed with the car. It could use a bit more power of course... not sure what the power potential of this engine will be, much the same as the N54 I would think.
The New 550 is a very real possibility in the future, imagine the tuning potential there, I would guess 550 HP just for starters....
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