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Diesels in the News

8143 messages,  Last post on Nov 27, 2009 at 12:10 PM

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#6942 of 8143
Re: Prius loses again [larsb] by ruking1
Sep 25, 2008 (2:51 pm)
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Replying to: larsb (Sep 25, 2008 2:46 pm)

It again gets back to what I have been saying all along: that the highest mileage diesels are not let into the country. Digging deeper into the background of the gen IV (03 Jetta TDI) world Jetta TDI's got 52 mpg vs the 50 mph we get on a daily basis. The world Jetta comes with a 6 speed manual vs a 5 speed manual and bigger injectors! ? How oxymoronic is that? As good as 50 mpg is, math indicates 52 is better!!? (4%) This is also true about the highest mileage gassers !!! A gasser for example is the 40 mpg so called "Smart Car"!? This has been available in the world markets for a while. If high fuel prices and so called less dependency on foreign oil is a real priority, why didnt it hit the US markets as soon as it hit the worlds? Now it really has not much appeal to me, but at the same time its meager 40 mpg is a BIG improvement over the 27 mpg standard, defacto 22 mpg and beats by 5 mpg the 2012 35 mpg standard.
 
As an aside, the Honda Civic gasser gets 38-42 mpg and holds 4/5 folks. I'd be ungrateful if I didn't say I was happy with it. But I got to tell you, I would be tickled pink with a Honda Civic TDI with 52-56 mpg!
#6943 of 8143
Re: Prius loses again [ruking1] by kdhspyder
Sep 25, 2008 (3:52 pm)
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Replying to: ruking1 (Sep 25, 2008 2:27 pm)

The non-hybrid Prius is the Corolla Matrix/Pontiac Vibe. With the same equipment the two are exactly $4000 apart in price. That's not unintentional. $20300 vs $24300. Both are 4 cyl 5 door hatchback with similar room and similar performance. A subject for a different forum however.
 
In the comparo between the Civic gasser and the Civic hybrid - with similar equipment - the hybrid wins easily... but that's a subject for a different forum.
 
Now looking at the Jetta TDI vs Civic gasser vs Corolla gasser, sedans all? That huge differential in the price of the diesel vehicle and the higher price of the fuel requires a lot of driving annually. I probably do drive that much so the TDI may be more cost effective. Let's see.
 
Using 'reported' results rather than the more conservative EPA values
2009 Corolla 39 Hwy
2008 Civic 38 Hwy
2009 Jetta TDI 43 Hwy ( 40 Edmunds / 45 PopMech )
 
Fuel usage/Cost based on 36000 miles annually
2009 Corolla..925 gal RUG 3.40......$3145
2008 Civic.....950 gal RUG 3.40......$3230
2009 TDI.......835 gal DF 3.90.........$3250
These all seem about equal since it's 36000 mi/yr. It's a nominal difference.
 
The only difference then would be in the prices of the underlying vehicles and the relative resale values. However these are three of the best vehicles for holding value.
 
Again it looks like a tossup based solely on preference not money.
#6944 of 8143
Re: Prius loses again [kdhspyder] by ruking1
Sep 25, 2008 (3:59 pm)
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Replying to: kdhspyder (Sep 25, 2008 3:52 pm)

..."Again it looks like a tossup based solely on preference not money. "...
 
One one level I do agree with this take, but on the other hand it is hard to realize your preference/s when the preference/s is/are hardly available. Again I cite 3% diesel passenger vehicle fleet. The majority of those diesels are on platforms that I do not have a current use for. Another is why do I really want to get a MB 320 TDI when what I really NEED a Civic TDI for everyday commuting? Or why do you want to commute in a FORD F250 when a Ford Fiesta does just fine solely because both are gassers? You would think it so preposterous if it were a a choice between a gasser MB 320 and a Civic !
 
And thanks for further illustrating my point about the so called "Prius" gasser only equivalents. Toyota really downplays the reality in this. So yes, my Prius alternative is the Civic. While it is true I do not routinely get 45 mpg in the Civic (as the Prius) , it does get 38-42 and costs app 13,000 LESS.
#6945 of 8143
Re: Prius loses again [kdhspyder] by 104wb
Sep 25, 2008 (5:45 pm)
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Replying to: kdhspyder (Sep 25, 2008 3:52 pm)

Mmmm. I couldn't go with the Corolla or Civic. TFC/IW isn't high enough on those two, so I don't fulfill my personal obligation to be fuel efficient. TFC/IW is a measure of efficiency, unlike 'mpg'.
 
2009 Corolla, 2745# + 300# test weight = 3045# likewise,
2008 Civic, 2630+300=2930#
2009 TDI, 3230+300=3530#
2009 Prius 2932+300 = 3232#
 
2009 Corolla, TFC/IW = 1/(39*3045)= 0.842e-5 gal/mi/pound
2008 Civic, TFC/IW = 1/(38*2930)= 0.898e-5 gal/mi/pound
2009 TDI, TFC/IW = 1/(43*3530)= 0.659e-5 gal/mi/pound
2009 Prius TFC/IW = 1/(44*3232)= 0.703e-5 gal/mi/pound
 
Smaller number is better. TDI and Prius are really the same efficiency since there is 10% more energy in diesel fuel. Factor that out, they're the same. The gassers need 20-28% (call it 25%) more fuel energy to do the same amount of work as the diesel and the hybrid. Inefficient. Hey, I have a furnace with 92% heat-to-energy efficiency, and compact flourescent bulbs that are four times as efficient at converting energy to light as incandescent, why should I not also be concerned with the work-to-energy efficiency of my vehicle? 25% is a big difference. Civic and Corolla are out of consideration.
#6946 of 8143
Re: Prius loses again [104wb] by cdnpinhead
Sep 26, 2008 (4:49 am)
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Replying to: 104wb (Sep 25, 2008 5:45 pm)

I have clearly been out-pinheaded. Wow, I had no idea.
 
Looks like the hot ticket is to drive a fully-loaded class 8 truck (80,000 lbs) that gets 7 mpg. That'd be roughly 3.7 times better than the TDI.
 
Next stop -- freight trains.
#6947 of 8143
Re: Prius loses again [ruking1] by kdhspyder
Sep 26, 2008 (5:19 am)
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Replying to: ruking1 (Sep 25, 2008 3:59 pm)

I ruled out all the compact sedans. The Corolla, Civic, Jetta, TDI, Mazda3, et al were all too small; i.e. they did not offer enough utility and fuel economy.
 
At that time I looked only at the hatchbacks. Under similar circumstances today only the Prius and the SportWagon would be under consideration.
 
However being basically cheap in regards to transportation if I was in the market today I'd look first to find a good USED hatchback like a $14000 - $15000 Prius for the best combo of utility and fuel economy.
#6948 of 8143
Re: Prius loses again [cdnpinhead] by gagrice
Sep 26, 2008 (5:51 am)
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Replying to: cdnpinhead (Sep 26, 2008 4:49 am)

Here is your diesel chick magnet. You want to score a gal like Demi Moore, this is what you need. She don't want no Prius, man.....
 
#6949 of 8143
diesels in old news by dworthen
Sep 26, 2008 (6:44 am)
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Check the date of this article. Not to mention the speeds and mileage achieved. Over four years ago and( I still can't buy this car!!!)
 
                 
Honda Diesel Sets New World Records
  
 Date: May 07, 2004 18:07
 Submitted by: Jeff
 Source: Honda UK PR
 Credibility Rating: N/A
 
Honda’s new Accord 2.2 i-CTDi Sport has this week set no fewer than 19 world speed records and achieved 3.07 litres / 100 km (92 imperial mpg, ~76.6 US mpg) fuel economy to boot. British racing driver Robin Liddell and freelance journalist Iain Robertson were part of the European record-setting team.
 
Amongst the speed records set, which were all achieved in Production Car Class B (2000 – 2500 cc), were 133.04 mph (1 mile flying start), 84.25 mph (1 mile standing start) and an average speed of 130.38 mph over a 24-hour endurance period. These records were all set at Papenburg high-speed oval test track in north-west Germany on 1 and 2 May, and are all subject to FIA ratification.
 
Two production cars, randomly selected by FIA officials, were used to undertake the speed records, and apart from the fitting of roll-cages, racing harnesses and radio equipment for track-to-pits communication, no other modifications were made to the cars.
 
Following the speed record attempts, the same two cars were then driven 419 miles from Papenburg test track to Wiesbaden, near Frankfurt in order to complete the fuel economy run. The route comprised of a mixture of motorway and non-motorway driving, during which one of the Accords achieved a staggering 92 imperial mpg (US mpg=~76.6) average.
 
  
                                               GO FIGURE!!
#6950 of 8143
Re: diesels in old news [dworthen] by kdhspyder
Sep 26, 2008 (10:34 am)
Reply

Replying to: dworthen (Sep 26, 2008 6:44 am)

It's here soon as the Acura TSX but it won't get anywhere near the above FE figures..Based on the NA testing cycle the ratings will likely be in the 40's which are still very good.
 
But it's going to be pricey and unfortunately hidden away in Honda's closet, IOW its Acura stores.
#6951 of 8143
Re: Uh-Oh [larsb] by ruking1
Sep 26, 2008 (11:42 am)
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Replying to: larsb (Sep 25, 2008 2:25 pm)

What a real interesting scenario, when I agree with LARSB !! I really think you are spot on in this assessment. Toyota will be STILL be behind; as they were when they came out with the T100.
 
Cummins is doing a plant upgrade (I posted I think a long while back) as they are coming out witha 150/1500 series V8 diesel engine !! 300 to 350 hp and something like 475-575 # ft of torque!? Woo HOO for those that want/ need this platform/product ! It would also be a hoot if they could get this pp into a larger sedan type vehicle. It could be a top notched platform, especially if it could pull down 35 mpg and/or better !

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