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TDI Fuel Economy Discussions about increasing the fuel economy of your TDI engine. Non TDI related postings will be moved or removed.

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Old December 11th, 2017, 05:28   #16
Intech
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Quote:
Originally Posted by jerrymander View Post
With my stick, I get about 40 mpg with my idiot computer saying 46. I also have a one inch lift and 235 width tires. Rolling resistance and aerodynamic drag are killer.
I have to agree with you on rolling resistance. When I first went to Nokian WRG3s, I was told that they were the same as the G2s. No way!!. With the G3s, which were heavily advertised as a very low roiling resistance, my MPGs jumped about 5 mpg. At first I found that hard to believe, but it was a fact. I went from mid to upper 50s to low to mid 60s. When I went back to the Bridgestones, it went back down about 5 mpgs. I gave the Nokians with more than half tread on them to a friend of mine, and his mpgs jumped about the same as mine did, and the only factor was rolling resistance
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Old December 11th, 2017, 05:39   #17
2015vwgolfdiesel
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Fuel Economy: City mid 40s ~ Road mid 50s ~ Two (2) 61 MPG fill ups
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Originally Posted by Intech View Post
I have to agree with you on rolling resistance. When I first went to Nokian WRG3s, I was told that they were the same as the G2s. No way!!. With the G3s, which were heavily advertised as a very low roiling resistance, my MPGs jumped about 5 mpg. At first I found that hard to believe, but it was a fact. I went from mid to upper 50s to low to mid 60s. When I went back to the Bridgestones, it went back down about 5 mpgs. I gave the Nokians with more than half tread on them to a friend of mine, and his mpgs jumped about the same as mine did, and the only factor was rolling resistance

Better MPG is always a good thing.

Question please. Noise, stopping distance, and & a comfortable ride is my personal preferences.

Did those tires sacrifice some (or a lot) in those area?

Thanks
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Do the fix, pocket $8,000-ish 6, 776 miles on the clock, Pristine condition
BB = $25,625, but VW is not paying for PRIME condition nor ULTRA low miles.
Net bases in my 2015 Golf = $12,495
NADA-KBB for older CPO Golf TDi 2014 = $18,250
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Old December 11th, 2017, 06:52   #18
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Originally Posted by 2015vwgolfdiesel View Post
Better MPG is always a good thing.

Question please. Noise, stopping distance, and & a comfortable ride is my personal preferences.

Did those tires sacrifice some (or a lot) in those area?

Thanks
Those tires were the most comfortable tires that I ever had, also no noise at all. Very soft sidewalls. Stopping distance was horrible, especially in the rain, one of the main reasons I got rid of them. Also, handling was squirrely, with the soft sidewalls, the car leaned, but the tires stuck. I also had to run almost 38 psi, to get some decent performance out of them
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Old December 11th, 2017, 09:03   #19
2015vwgolfdiesel
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Those tires were the most comfortable tires that I ever had, also no noise at all. Very soft sidewalls. Stopping distance was horrible, especially in the rain, one of the main reasons I got rid of them. Also, handling was squirrely, with the soft sidewalls, the car leaned, but the tires stuck. I also had to run almost 38 psi, to get some decent performance out of them

..... much thanks
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Do the fix, pocket $8,000-ish 6, 776 miles on the clock, Pristine condition
BB = $25,625, but VW is not paying for PRIME condition nor ULTRA low miles.
Net bases in my 2015 Golf = $12,495
NADA-KBB for older CPO Golf TDi 2014 = $18,250
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Old January 15th, 2018, 23:07   #20
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remote start is generally bad with any diesel

Dunno if they've solved the wet stacking issue with the later emissions package.
I'd imagine they very well could if they put their minds to it, being able to make nice toasty 1200 degree EGTs at idle.
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Old January 29th, 2018, 09:50   #21
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I get around 35 MPG if I drive her like I stole it all the time. Car does get around 5 hours of idle time on a tank so that makes it worse too....Standard 5 speed(2006 PD engine)

Last edited by 1.9TDI60MPG; January 29th, 2018 at 09:50. Reason: missed something
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Old February 7th, 2018, 03:58   #22
2015vwgolfdiesel
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6MT will always win over the DSG, there is parasitic loss of the DSG, clutch pressure is hudralic, there's circulating pumps for fluid and cooling. Also up until 2015, the gearing of the DSG was much shorter than the 6MT, think 200 extra RPMs at 65 vs the 6MT.


The '15's DSG are stupid tall though, 2000 RPMS at 75mph tall, not sure how that stacks up against the '15 6MT.

M6 at 75 MPH compared to DSG at 65 MPH is a joke

See my signature. With the FIX money and all dealership and VW discounts, my bases in a new 2015 DSG TDi Golf is a tiny $12,495

MSRP = $24,895

My car is original, and will have a 162,000 mile 11 year transferable warranty.

After one pays hundreds (or thousands) of dollars for MODs, then looks at the much better FE results .... well you see the point.

For the record, I spend (approx) 39 cents per day on diesel. Save all fuel tickets

Her (2015 2015 Toyota RAV4 LIMITED) is (approx) $1.13 daily, (no ethanol) gas.
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Do the fix, pocket $8,000-ish 6, 776 miles on the clock, Pristine condition
BB = $25,625, but VW is not paying for PRIME condition nor ULTRA low miles.
Net bases in my 2015 Golf = $12,495
NADA-KBB for older CPO Golf TDi 2014 = $18,250
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Old February 10th, 2018, 17:21   #23
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i always get between 500-600 on a vented tank with my tuned 04 auto BEW. 50/50 highway and city. and i like to floor it alot i always keep the tires at 40 psi and i always get better MPG in the winter due to not using the A/C. I guess we don't get winter blend fuels here in central Fl
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Old February 20th, 2018, 06:52   #24
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One of my co-workers worked at a VW dealer for the past few years and says remote start is a bad idea on any current TDI. It's complex, expensive, and prone to issues. As posted above, these cars warm up (or cool off) pretty quickly anyway.

Regarding manual versus automatic, there is a long running debate here on whether or not there's really a penalty for DSG versus manual. What I've gleaned from many posts is that if you drive a lot of highway miles the difference is negligible. If you're driving in the city or traffic, there can be a significant FE penalty for the DSG.
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Old February 20th, 2018, 08:11   #25
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Originally Posted by IndigoBlueWagon View Post
If you're driving in the city or traffic, there can be a significant FE penalty for the DSG.
I learned to drive on a 3 on the tree shifter. I've had nothing but manuals for some time until my first auto.
As far as I'm concerned not having to be constantly clutching and rowing the gears makes an auto my choice!
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