Vs C&D: 2009 BMW 750Li vs. 2009 Mercedes-Benz S550
- Thread starter Zafiro
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- Marcus
Then what is the point? Why don't you actually read the test before offering up guesswork.
Come to think of it, this argument doesn't hold water either because if anything trying to keep up with the BMW in the Benz in the corners should have made the 5.5L V8 in the Benz really drink some fuel in doing so since the Benz's chassis isn't as willing to play.
M
Zafiro
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No I never said you made up that excuse. But many BMW vs MB threads lately there been talk about how the Benz would win if it had a newer engine. I wont name anyone. Thats a obviosly a really bad excuse.
"smaller displacement + turbocharging is so superior" - I have never said a thing like that. Dont mix my opinion with others. Im not excusing myself here so stop accusing me of that, Im just sharing what I believe in.
Like I said german autobild rated 750i higher score in fuel consumption than the S500. Obviosly their conclusion isn't the same as C&D.
F*** Marcus I really hate it when you accuse me of having excuses. Cant a man state his opinion here without being accused. Gosh!
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I agree, speculating about future engines is matterless too IMO. I seem to remember actually agreeing with Sunny on that in a thread.
Now you've never said that BMW's engine philosophy, going smaller with turbos isn't superior? Ok. Not talking about M engines, only regular production BMW engines.
If you didn't say that then don't tell me about people who speculate about future MB engines when I had nothing to do with that either. It goes both ways.
Sorry, but IMO to say that just because the BMW is heavier (140lbs heavier to be exact) and has more power is the reason why it can't beat a 5.5L V8 engined Benz in fuel economy is an excuse to me. Cars getting heavier and needing more power, more efficient power are the very reasons why BMW went smaller with turbos is it not? If doing so doesn't produce any real-world gain in fuel economy then I don't see the point. Again, in this test.
Its a BMW for goodness sake, they should be able to drive it hard (just like they did the Mercedes) and still at least get some gain in economy over the much bigger engined Benz. The BMW was only between 1-2 tenths of a second faster in the acceleration tests so the turbo advantage is fleeting at best.
I'm sure the BMW will beat the MB in fuel tests if you drive it like a Prius.
M
Zafiro
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Marcus, dont mix me with Eni and Scott 
Again, Im just saying what I believe in. If its right or wrong I dont know but this is what I think. My point if view. Man, I just get frustrated when I say something and someone say I have excuses.
Marcus you push the wrong buttons sometimes
I hate when it becomes "you and me" discussions.
Back to topic.....
My knowledge about Turbos is that a turbo engine is more fuel efficient if you driving normally or driving in a constant speed but when you hit the gaspedal or drive hard then a N/A engine is more fuel efficient than a Turbo engine.
The harder you push the more fuel a Turbo use, moreso than a N/A engine uses in full acceleration.
Again, Im just saying what I believe in. If its right or wrong I dont know but this is what I think. My point if view. Man, I just get frustrated when I say something and someone say I have excuses.
Marcus you push the wrong buttons sometimes I hate when it becomes "you and me" discussions.
Back to topic.....
My knowledge about Turbos is that a turbo engine is more fuel efficient if you driving normally or driving in a constant speed but when you hit the gaspedal or drive hard then a N/A engine is more fuel efficient than a Turbo engine.
The harder you push the more fuel a Turbo use, moreso than a N/A engine uses in full acceleration.
Zafiro
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that is subjective. If you ask me, 750i have better good looking interior. While C&D rated the interior higher than the bimmer. 750i score better in exterior styling points and also in fit and finish.
Must be the first time a 7-series is rated higher in "driver comfort" than a S-class.
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The journalists say the S550 is willing to play.. The 7er thay say drinks more fuel at higher speeds..
I believe this is due to a smaller displacement V8 turbo engine working a little harder for the goods.
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Marcus, dont mix me with Eni and Scott
Again, Im just saying what I believe in. If its right or wrong I dont know but this is what I think. My point if view. Man, I just get frustrated when I say something and someone say I have excuses.
I hate when it becomes "you and me" discussions.
Back to topic.....
My knowledge about Turbos is that a turbo engine is more fuel efficient if you driving normally or driving in a constant speed but when you hit the gaspedal or drive hard then a N/A engine is more fuel efficient than a Turbo engine.
The harder you push the more fuel a Turbo use, moreso than a N/A engine uses in full acceleration.
Well that is what I'm saying, its wrong. It doesn't jive with BMW's reasons for going smaller with turbos. Forget EnI and Scott.
A turbo engine using more fuel when you push it is correct, which is why it doesn't always agree with the reason for a smaller engine (better MPG), especially in a car that is supposed to be driven.....a BMW.
That is why I said I'm sure the BMW would produce better fuel economy if you drive it "normally", whatever that is/means.
In fact, the fuel economy numbers were for a 500 mile trip, not just all track/twisty road driving.
M
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True, but the "goods" are razor thin. Just between 1-3 tenths of a second in all the acceleration tests. I actually expected the BMW to be a little bit faster than that. I'm sure a 750i would.
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Sayyaaf
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- Mohamed
7 gears Vs 6 gears .. I guess that's the main reason, lower RPM at higher speeds would save a lot.
NarutoRamen
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^^More gears would help in fuel economy during a cruise, not so much during hard driving. It would in some cases use even more fuel due to the fact that you will always be closer to the sweet-spot in the revs.
NarutoRamen
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I'm guessing if they're driving at "higher speeds" they're probably driving hard. I'm not saying formula 1 hard, but for these fat pigs higher speed is driving hard.
Zafiro
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^What? i thought the new 7er premiered with the new 8-speed
LoL, no its only six gears....
NarutoRamen
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So first Mercedes copied Lexus with the front lights and now BMW is copying Lexus with 8-spd? Is the world going F__king crazy?
j/k
Tarek
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So first Mercedes copied Lexus with the front lights and now BMW is copying Lexus with 8-spd? Is the world going F__king crazy?
j/k
Well the 8-speed is goin to MB too..
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