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Diesels in the News

8147 messages,  Last post on Dec 04, 2009 at 8:22 PM

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#7028 of 8147
Re: Audi diesel [larsb] by ruking1
Oct 09, 2008 (7:42 am)
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Replying to: larsb (Oct 09, 2008 7:18 am)

Hey guy, you really should do the conversion: metric 1000 nm to #ft of torque: a WHOPPING 738 # ft of torque !! I'd keep 3 sets (of 4) tires 1 set winters, two sets to change into and out off.
 
This is MONSTER, almost beyond MONSTER !
 
As a comparison, the 200 mph Corvette has 472 # ft of torque !!??? 505 hp vs 493 hp is almost trivial to contrast.
 
In light of your next post, the contrast can almost be seen as elitist. Sort of like celebrating the new powerful Ferrari's, while applauding the constriction of Toyota,Honda Corolla's Civics etc etc.
#7029 of 8147
Even Edmunds might be reading what we write.... by ruking1
Oct 10, 2008 (9:28 am)
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Road Test: 2009 Volkswagen Jetta TDI Long Term Test
 
by Mike Magrath, Vehicle Testing Assistant 10/08/2008
 
link title
 
Most likely they are not "preaching". (to folks like me)
 
..."Among them are a leather-wrapped steering wheel, iPod-friendly aux input, an in-dash six-disc CD changer and a 10-speaker audio system. That TDI designation also means the Jetta in question is equipped with a turbocharged 2.0-liter 16-valve DOHC inline-4 fueled by ultralow-sulfur diesel.
 
Making 140 horsepower is one thing. Making 263 pound-feet of torque at only 1,750 rpm is something else. And mixing these figures into a sedan body weighing 3,364 pounds and cranking out an EPA rating of 29 mpg city/40 mpg highway is something fantastic."...
 
I personally can do without the options quoted in the first sentence. I would not want to pay for them, when given the choice. Indeed the car has gotten 414 #'s heavier.
 
Given their MPG, they might have skipped over how I manage to get 44-62 mpg.
 
..."Current Odometer: 1,427
Best Fuel Economy: 34.7 mpg
Worst Fuel Economy: 26.7 mpg
Average Fuel Economy (over the life of the vehicle): 31.3 mpg"...
 
  
 
#7030 of 8147
Re: Even Edmunds might be reading what we write.... [ruking1] by larsb
Oct 10, 2008 (9:39 am)
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Replying to: ruking1 (Oct 10, 2008 9:28 am)

You need to send them some "diesel hypermiling tips" because they are only at 31.7 MPG after the first 1400+ miles !!!!
#7031 of 8147
Re: Even Edmunds might be reading what we write.... [larsb] by ruking1
Oct 10, 2008 (9:41 am)
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Replying to: larsb (Oct 10, 2008 9:39 am)

I am swagging they are driving it like a ( whiny gasser) Honda Civic SI, which is precisely the WRONG way to drive it. In all fairness if someone drives a Prius like this, they would not get anything NEAR the average 45 mpg. The key concept here is all three have their "sweet spots" and more importantly operating parameters.
#7032 of 8147
Re: Even Edmunds might be reading what we write.... [ruking1] by larsb
Oct 10, 2008 (9:53 am)
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Replying to: ruking1 (Oct 10, 2008 9:41 am)

ruking1 says, "In all fairness if someone drove a Prius like this they would not get anything NEAR the average 45 mpg. "
 
Not too sure - the Edmunds long-term 2004 Prius has a tank of 44 MPG on this trip:
 
Prius results
 
Can't seem to find their "Prius cumulative MPG" figure anywhere - still looking.
#7033 of 8147
Re: Even Edmunds might be reading what we write.... [larsb] by ruking1
Oct 10, 2008 (10:12 am)
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Replying to: larsb (Oct 10, 2008 9:53 am)

Your post's "race track" article makes my point, 32 mpg for the Prius.
 
My take in driving BOTH cars is it the VW Jetta TDI takes the "flogging" far better, and is categorically more fun to drive than the Prius. As a consequence one would tend to flog the TDI more frequently and longer
 
But then again the tests are usually geared to the so called "average driver, etc etc.
#7034 of 8147
Re: Even Edmunds might be reading what we write.... [ruking1] by larsb
Oct 10, 2008 (10:18 am)
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Replying to: ruking1 (Oct 10, 2008 10:12 am)

Well, now, talking about "driving a car the wrong way."
 
I'd say judging a Prius getting 32 MPG on a race track is sort of choosing the "wrong reality" wouldn't you?
 
Anyone racing Priuses these days? Nascar? F1? Indy car? Naw, didn't think so.
 
You were incorrect when you said the Prius being driven like the Jetta would get nowhere near 45 MPG. You were wrong - it got 44 MPG.
 
Show me a long-term Prius on ANYONE'S website getting 32 MPG "long term."
 
I'm sure the Jetta TDI will come up from the current 31.7 MPG in the "long term" but I just wanted to point that out in light of Gary whining so much about the "low" EPA test results. This result AGAIN just indicates that there was no "silliness" at the EPA in regard to cheating the TDI.
 
Looks like Edmunds in 1400 miles of "real world driving" hasn't even hit the low EPA numbers yet. That's all I was pointing out.

You remember that LAST WEEK I pointed out the new world record the Jetta TDI just set?
 
That's because with ME, you don't get "just one side of the story" but the WHOLE TRUFE !!!
#7035 of 8147
Re: Even Edmunds might be reading what we write.... [larsb] by ruking1
Oct 10, 2008 (10:35 am)
Reply

Replying to: larsb (Oct 10, 2008 10:18 am)

..."You were incorrect when you said the Prius being driven like the Jetta would get nowhere near 45 MPG. You were wrong - it got 44 MPG. "...
 
No, I think your juxapositions of contexts, are incorrect. While you would be tempted to say the Prius WAS driven like the Jetta and vice versa, NOTHING in the methodology /ies suggests that either was driven with that in mind. Indeed, my original post stated it was a SWAG. AND the reason for the SWAG was the lack of definition of the methodology.
#7036 of 8147
Re: Even Edmunds might be reading what we write.... [ruking1] by larsb
Oct 10, 2008 (10:37 am)
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Replying to: ruking1 (Oct 10, 2008 10:35 am)

Um, let me fill you in on the methodology:
 
A bunch of Edmunds editors driving like normal drivers.
#7037 of 8147
Re: Even Edmunds might be reading what we write.... [larsb] by ruking1
Oct 10, 2008 (10:41 am)
Reply

Replying to: larsb (Oct 10, 2008 10:37 am)

..."But then again the tests are usually geared to the so called "average driver, etc etc. "...
 
While it does sometimes seem it takes you awhile to understand what I am saying, you do say it, even as you say, somebody else is wrong,: you do not agree, when you in fact do agree. So if this sounds like tortured text, imagine your thought processes.
 
So be that as it may, being as how the majority of "test drivers" aka "normal" drivers who drive 99% gassers, it gets back to the original point, that they are driving it precisely WRONG.
 
Again while I think you know this, (I have for a very long time) ANY Prius driver will tell you you have to drive the Prius differently to maximize fuel economy. So it goes for the TDI. Indeed, Civic drivers will tell you the same about Civics. So if a reasonable goal would be to get the best possible mpg under so called similar circumstances (plain Jane commute for example) it will pay to operate each under its own optimum parameters.
 
So for example on www.tdi.com, folks who have driven diesels before and coincidently folks who have never driven diesels before are reporting UP to 50 mpg from the 2009 Jetta TDI. I fully swag I can get 50 mpg with no problems. The exciting thing is that for me that would be 90 hp/155 # ft of torque to 140 hp/236# ft of torque!!!! 56% more hp/52% greater # ft of torque!!! I would definitely like those apples!

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