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Old 05-21-2019, 04:16 PM
Off in the Bushes's Avatar
Off in the Bushes Off in the Bushes is offline
 
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Default Real World Diesel Mileage?

I am looking for mileage information on 2018 to new vehicles from actual owners 1 ton diesel pick ups from any of the big three manufactures Ford, Dodge and GM.
Are the number from the trip computer or odometer and fuel pump?
What mileage are you getting for daily driving like a mix of stop and go and some highway non towing?
What mileage are you getting towing between 7500-10000lbs?
Looking at upgrade to a 1 ton for towing a travel trailer, can't decide if I want gas or diesel and I can't afford to make the wrong choice first.
I know that diesel is what I want for towing but it if daily driving mileage is worst then gas then I have decisions to make.
I have a friend claiming 13L/100km but it is a older truck with the DPF stuff etc removed.
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Old 05-21-2019, 05:59 PM
liar liar is offline
 
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i haven't checked the mileage for a long time ( too depressing ) but if memory serves , my 6l gm gas gets about 18 mpg and my duramax about 22 mpg .both these trucks are old and dont have computers to read out mileage . these numbers are from keeping track of miles and fuel and doing the math .

a service on my gas truck is half the money of a service on the duramax .
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Old 05-21-2019, 06:33 PM
JB_AOL JB_AOL is offline
 
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Why don't you go check out fuelly.com
Much easier.
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Old 05-21-2019, 06:52 PM
leeelmer leeelmer is offline
 
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My new 2019 gmc crew cab dually duramax
Empty hiway 100-110km. 12.2-13.2 liters per 100km
Hauling 20000lbs
19-25 liters per 100km depends on hills and how fast you put your foot into it
Back and forth to work and some hiway and stop and go. 14.5 liters per 100km
Thats warm up and cool down. Run across town and such.
Avreges better than my 2016 dodge 3500 drw with cummins and a standard.
I am happy best truck i have owned
Winter time add 2 liters per hundred on average
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Old 05-21-2019, 07:07 PM
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Okotok Okotok is offline
 
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Quote:
Originally Posted by leeelmer View Post
My new 2019 gmc crew cab dually duramax
Empty hiway 100-110km. 12.2-13.2 liters per 100km
Hauling 20000lbs
19-25 liters per 100km depends on hills and how fast you put your foot into it
Back and forth to work and some hiway and stop and go. 14.5 liters per 100km
Thats warm up and cool down. Run across town and such.
Avreges better than my 2016 dodge 3500 drw with cummins and a standard.
I am happy best truck i have owned
Winter time add 2 liters per hundred on average
My 2019 F350 Platinum is about the same. 11 liters per 100 km on a good day with the wind at the speed limit.
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Old 05-21-2019, 07:13 PM
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buckbrushoutdoors buckbrushoutdoors is offline
 
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My deleted 6.7ltr Cummins dodge gets 11.5ltrs/100km empty (small lift and 37” tires) and 14-16ltrs/100km pulling 10,000lbs
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Old 05-21-2019, 09:55 PM
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Ken07AOVette Ken07AOVette is offline
 
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Quote:
Originally Posted by Okotok View Post
My 2019 F350 Platinum is about the same. 11 liters per 100 km on a good day with the wind at the speed limit.
same
2012 F350 6.7 completely stock. I change oil at 8000 km. Oil is cheap.
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Old 05-25-2019, 04:32 PM
-JR- -JR- is offline
 
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Quote:
Originally Posted by leeelmer View Post
My new 2019 gmc crew cab dually duramax
Empty hiway 100-110km. 12.2-13.2 liters per 100km
Hauling 20000lbs
19-25 liters per 100km depends on hills and how fast you put your foot into it
Back and forth to work and some hiway and stop and go. 14.5 liters per 100km
Thats warm up and cool down. Run across town and such.
Avreges better than my 2016 dodge 3500 drw with cummins and a standard.
I am happy best truck i have owned
Winter time add 2 liters per hundred on average

My 2018 gas unit HD3500 Gmc does about the same.
EMT 15L/100 km
loaded 21/100 km

Been a HD Mechanic for 35 years and gas is a lot cheeper to run.
Buying a diesel is like buying an Electric car .
Its cheep at first then you pay .
Replacing injectors on a Gm is about $10,000.
Fuel cost more at the pumps .
oil changes cost more .
Buying a diesel truck is $10,000. more than gas truck

Buying a gas unit you get to drive free for 5 years on fuel on the money you save not buying a diesel.
Its a no brainer.
Ask any Diesel Mechanic
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  #9  
Old 05-26-2019, 08:52 AM
Big Grey Wolf Big Grey Wolf is offline
 
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JR if you buy a Cummins then can drive trouble free for somewhere around 500,000km. That is if you do not drive it like a sports car blowing coal all the time.
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  #10  
Old 05-22-2019, 04:24 PM
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Coiloil37 Coiloil37 is offline
 
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I’ll give you my long term report. Aug 2010 I bought a new 2500 ram slt. I drove off the lot all in at $48,000 with a few add ons. Factory it saw 14.5-15 l/100km unloaded on the hwy and closer to 18-20 100/km in the city. Pulling my 14,000 lb fifth wheel it did about 25-28 l/100km.
After the warranty was gone I deleted it and saw 1100/1200 km/ tank hwy/city mixed driving. Towing the trailer I saw 16-18 l/100km.

This was pretty average unloaded and you can see from the trip and dte I haven’t gerrymandered the l/100km by resetting it and getting my picture. That was on winter fuel and more city then hwy but still an honest long term average.





I did all the maintenance myself. On warranty with emissions intact I did 5k km oil changes. I bought either delo or rotella oil on Kijiji in unopened buckets when I could find it for under $50/bucket. My filters were the best on the market for that engine “Donaldson blue” and $16. So an oil change was under $45 all up.
Post delete I ran bypass filtration as well and did oil samples. Oil changes were at 10k intervals even though I could of gone much, much further.

For the life of the truck I knew the fuel system was vulnerable so it had two additional fuel filters installed, a Baldwin water trap and a 2 micron Donaldson. To replace both cost me $29. I never had an issue with the fuel system.

The only two “issues” the truck had was a steering box and O2 sensor. Both were replaced under warranty.

I also put a steering box brace on the truck and it tightened the steering up like a imported SUV instead of the classic dodge wandering feel.

I didn’t have to do any other repairs and the truck drove great when I sold it.

I sold the truck two months ago for $27,000 and didn’t have to negotiate or deal with any chit kickers.

Through ownership the power and torque made towing a dream, getting up hills I didn’t have to worry about losing speed but I worried about the transmission. I always drove it like I owned it and respected the fact I could of damaged the transmission if I mistreated it. Comparing a diesel to a gas jobber isn’t logical if your towing. I don’t even like driving petrol when I’m not towing, I personally hate higher revving engines that I need to push at all to get performance from. I’ll take the deep, lazy torque curve of a diesel every day.

Just from mentioning the transmission it reminded me of this. I saw it in noosa the other day just before we went paddle boarding on the river.

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