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Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-03-2004, 01:41 AM   #11
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Quote:
Originally Posted by Jim W
Was not expecting that...

:

*ahem* and the only reason its moderately better, is because I shelled out for a cat back exhaust...you...dont have to
I know you did. Hence the "touche"
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Old 09-03-2004, 11:50 AM   #12
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Why would a U.*. sales sticker read 17/24 for estimated fuel consumption, while Canada would read 21/34? That seems like a fairly large descrepency...?
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Old 09-03-2004, 12:25 PM   #13
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Maybe cause we have better gas??? lmfao, JK.
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Old 09-03-2004, 01:47 PM   #14
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Its possible that we have stricter consumption laws....if you noticed, there is a silly looking logo near the gas tank drawing...that is the Energuide tag. It denotes that the hardware being sold conforms to regulations and standards set out by a regulatory commision or the government.
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Old 09-03-2004, 02:51 PM   #15
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You think that parts differ that much between U.*.- and Canada-produced autos? Heck, if I'll get THAT much better effeciency out of a car from Canada, I think I'll be coming north next time I'm in the market!
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Old 09-03-2004, 02:58 PM   #16
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Honestly, its so hard to tell, you'd figure with the same parts, everything would be the same. Kinda makes you wonder.
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Old 09-03-2004, 07:07 PM   #17
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Originally Posted by obis88
I justreceived my GXP here in Berlin last Friday and it has been fun tus far. Haven't had it too much on the autobahn very much just yet. I only have 180 miles on it right now and the mileage isn't the greatest just yet. Short trips, city driving, and the lack of total miles and longer trips prevents better numbers, but I am at 16 mpg right now. You should see all the Germans looking at this thing when I take off from a light. They hear this unique rumble and look. I drove by the Brandenburg Gate today and stopped at a light right at the gate. I had just revved it a little and people looked and a few took photos! It was funny and felt good at the same time. I had a Mercedes E55 AMG pull up next to me. He seemed very interested. I knew he would blow my doors off so I wasn't even going to mess with him, but mine sounded alot better.
haha great story man! I rode in my friend'* late model VW Jetta, it was smooth riding and all but i can really see where some Germans might be a little taken by the bestial roar of the GXP. (not there is a lack of higher-powered German cars cuz i know they're there)

mike diaz
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Old 09-05-2004, 06:48 AM   #18
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I have been looking for a GXP forum for this exact question since we got ours. We havent seen 17 MPG yet in over 6000 miles. I can't tell you how disappointed I am with that. We traded a 2002 Yukon in on it because it only got 14 MPG. If I had it to do over we wouldn't own it. On a more positive note... This car is a blast to drive. (i do wish it were RWD) The stereo sounds great and did I say it'* a blast to drive? I was hoping to find others with better results in the economy dept. I know it says 3.71 gears but my 4x4 has 3.73'* and the truck turns 500 to 600 rpm'* less at 70 MPH so I figure the trans gears are different. I do love this car but I'd trade it in a minute because of the poor fuel economy. It goes to the dealer next week as they think it should do better and want to check it out. I can tell you it runs like a top so they won't find any problems. I was hoping they would find the wrong gears in it but after coming here I don't see that as an answer. I wish my wife liked the looks of the Magnum RT. I have seen economy claims from 20 to 27 from owners of it. It just seems that this car should have no problem seeing 22 MPG. Am I expecting to much? Thanks for your time.
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Old 09-05-2004, 10:19 PM   #19
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Quote:
Originally Posted by Buzz38
I have been looking for a GXP forum for this exact question since we got ours. We havent seen 17 MPG yet in over 6000 miles. I can't tell you how disappointed I am with that. We traded a 2002 Yukon in on it because it only got 14 MPG. If I had it to do over we wouldn't own it. On a more positive note... This car is a blast to drive. (i do wish it were RWD) The stereo sounds great and did I say it'* a blast to drive? I was hoping to find others with better results in the economy dept. I know it says 3.71 gears but my 4x4 has 3.73'* and the truck turns 500 to 600 rpm'* less at 70 MPH so I figure the trans gears are different. I do love this car but I'd trade it in a minute because of the poor fuel economy. It goes to the dealer next week as they think it should do better and want to check it out. I can tell you it runs like a top so they won't find any problems. I was hoping they would find the wrong gears in it but after coming here I don't see that as an answer. I wish my wife liked the looks of the Magnum RT. I have seen economy claims from 20 to 27 from owners of it. It just seems that this car should have no problem seeing 22 MPG. Am I expecting to much? Thanks for your time.
I drive 95% city miles and get 19 MPG. I use regualar grade pump gas and drive relatively hard. Not sure what you're doing but try usuing premium or checking your tires. Not sure what'* wrong. You bought a performance sedan, why are you worrying about a few more bucks for gas? The car did cost 50 grand (canadian) so this is a miniscule cost compared to the car.
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Old 09-06-2004, 01:25 AM   #20
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Well, if you think 2 to 3 MPG better than a lifted 4X4 with 33 inch tires is acceptible then I guess I have no complaint. On the other hand, my brother in law had a Mark VIII with the same size engine that regularly saw 100 MPH plus and I did the math on his gas a few times and saw 24 to 28 MPG. I will also say that the Bonne wants no part of that Mark VIII. I expected GM could do better then a 10 year old Ford. It also really pisses me off when the sticker says 17 to 24 and I can't get the lower number on highway driving. We put alot of thought into this purchase and decided if the Bonne could get 22 MPG we'd be in good shape. Where I went wrong was listenijng to the salesman (who we bought 2 cars from and always treated us well) tell us he had the same engine in his Caddy and didn't baby it but still pulled 28 MPG. So thinking 22 was reasonable we went with it. I was wrong and have no choice but to pay the bill. If you ever get to Calif you will see your economy go in the toilet. The fuel we run here is a political blend that costs us more and saps our fuel economy to "save the environment". Even though years after forcing it on us they find it poisons wells and had to stop using it. Unless it starts pinging there is no benefit in ever running prenium fuel. The only thing premium does is slow the burn time of the fuel to avoid pre detonation. Like I said, I do enjoy driving the car and understand I could have bought a cheaper car that would get 30 plus MPG. I am just disappointed with the results after the time and energy spent making what was thought a reasonable decision. We dumped a 2 yr old Yukon for 2 mpg fuel improvement and spent 35k doing it. It was a bad decision on my part. I was hoping I would find other owners that could help me prove something was wrong with it. Thanks for your input.
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