Diesel MPG (Diesel only please) - Page 45 - Chevy Colorado & GMC Canyon
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post #881 of 942 (permalink) Old 04-04-2017, 01:00 AM
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3rd tank, stock Canyon A-T, almost entirely city driving in Silicon Valley. 22.8 MPG. Of concern (or perhaps not) is that my DEF is already at 27%.

How fast am I supposed to use that up?
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post #882 of 942 (permalink) Old 04-04-2017, 10:54 AM
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Originally Posted by Damn True View Post
3rd tank, stock Canyon A-T, almost entirely city driving in Silicon Valley. 22.8 MPG. Of concern (or perhaps not) is that my DEF is already at 27%.

How fast am I supposed to use that up?
How fast do you think you used it up?
3 tanks from new?
If that's what we're supposed to assume here then it most likely wasn't topped off by the dealer when you bought it.
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post #883 of 942 (permalink) Old 04-04-2017, 10:59 AM
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Mine def wasn't topped off.... I've used ~ 7 gallons in 6050 miles.

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post #884 of 942 (permalink) Old 04-04-2017, 01:14 PM
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My DEF must have been pretty full. I got 11,500 kms before the DIC showed the 30% mark. I filled it and have put on another 13,500 kms and it still shows OK.

2016 Canyon SLT Crew Cab Shortbox Duramax Diesel, Summit White/Jet Black.

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post #885 of 942 (permalink) Old 04-04-2017, 01:23 PM
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Quote:
Originally Posted by Damn True View Post
3rd tank, stock Canyon A-T, almost entirely city driving in Silicon Valley. 22.8 MPG. Of concern (or perhaps not) is that my DEF is already at 27%.

How fast am I supposed to use that up?
If properly filled up your DEF should be lasting 6000-7500 miles. You are doing city driving so yours would be lower but still not only 3 tanks worth. They didnt fill it up at the dealer. You can go complain to them or...
Go to Walmart and purchase a 2.5 gallon jug of DEF (only like $12) and use it. Try not to purchase any more though. The dealers are supposed to top off DEF during your 2 oil changes.

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post #886 of 942 (permalink) Old 04-04-2017, 05:00 PM
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Loving this truck. 65-75mph roads, on the return trip doing 85 on a different road I was getting 28.5. 65-70 seems to be the sweet spot before the aero drag reminds you it's not a prius.
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post #887 of 942 (permalink) Old 04-09-2017, 08:45 PM
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Did a 100 mile round trip today...a little city, but mostly 55 mph two lane country road.....37.5 mpg...just turned 2,000 miles today.....what a great engine.
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post #888 of 942 (permalink) Old 04-09-2017, 09:10 PM
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Wife's at it again, she won't tell me her secret. Trip A says 36.7 for the 97 mile trip home but DIC looks more impressive in pic :)
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post #889 of 942 (permalink) Old 04-09-2017, 09:36 PM
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Have seen some high 20s and low 30's on easy country drives on the 25 mile counter. I decided to let my "B" tripmeter run since driving off the dealer lot, and plan to let it run for the life of the vehicle. Only 1,300 miles on the truck, and sitting at 23.6 mpg at the moment. Mix of suburban and highway driving, and I have a heavyish foot on take off, feathering it a bit through 1st and 2nd gears, then roll that puppy in once it hits 3rd and has a load to pull against, then cruise - wash, rinse repeat. Seating the rings, that is my excuse. Really just digging the torque.

Despite my not trying terribly hard to get good mileage, the truck gets better fuel economy than my wife's car. Really enjoying having and eating this cake.

'17 Canyon SLT CCLB 4X4 Diesel, Bronze Alloy, Cocoa/Dune interior. Line-x.

Last edited by Duken4evr; 04-09-2017 at 09:43 PM.
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post #890 of 942 (permalink) Old 04-11-2017, 05:03 PM
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How fast do you think you used it up?
3 tanks from new?
If that's what we're supposed to assume here then it most likely wasn't topped off by the dealer when you bought it.
Yeah...from new. IIRC it was at 100 when I drove it off the lot. Just caught me off guard when I went for my third fill up and it was reading 27%.
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post #891 of 942 (permalink) Old 04-11-2017, 05:09 PM
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Yeah...from new. IIRC it was at 100 when I drove it off the lot. Just caught me off guard when I went for my third fill up and it was reading 27%.
It's impossible to know if it was 100% when you drove off the lot because anything more than 30% just reads "OK".
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post #892 of 942 (permalink) Old 04-11-2017, 05:12 PM
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It's impossible to know if it was 100% when you drove off the lot because anything more than 30% just reads "OK".
Ahh
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post #893 of 942 (permalink) Old 04-14-2017, 05:08 PM
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post #894 of 942 (permalink) Old 04-16-2017, 06:46 PM
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post #895 of 942 (permalink) Old 04-16-2017, 08:12 PM
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I'm at 22.4.... 85-90% City and idling. Pretty happy with that.

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post #896 of 942 (permalink) Old 04-16-2017, 11:10 PM
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I am now 13 months in on mine and 35k miles. I am averaging 27 to 28 mpg weekly. about 80% hyw
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post #897 of 942 (permalink) Old 04-16-2017, 11:22 PM
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First time I have had the truck out for an extended highway trip since the day I picked it up and drove it about 350 miles from the dealership to my home. The trip below was roundtrip Raleigh, NC to Damascus, VA, through the Blue Ridge Mountains, carrying about 900 lbs of passengers and cargo, including 3 bikes on the back. Avg speed was around 70MPH so I was pretty happy with this MPG. Am guessing that having the bikes on the back probably gave me a slight hit. 2016 Canyon SLT, 2.8L, 4x4. Truck is factory stock from a mechanical perspective. My normal driving is 80% or more city. Fuelly link below shows current lifetime MPG info.
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File Type: jpg BikeRackLoaded.jpg (447.1 KB, 38 views)

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post #898 of 942 (permalink) Old 04-17-2017, 01:22 PM
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Mileage calculations will vary depending on how fast the tank is filled, how much the fuel foams and of course what you are doing with the vehicle. My overall records are posted below as are the 450, 50, 25 max DIC readings from a recent trip.

My minimum tank calculated 17.91mpg while the prior tank calculated 30.96mpg. I suspect a fast or incomplete fill. The highest overall tank was 34.15mpg.

Overall is 24.49mpg over 8770 miles
The last couple tanks were 28.3ish
Max 450mi is 30.1mpg
Max 50mi is 40.1mpg
Max 25mi is 51.5mpg
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File Type: jpg 450.JPG (147.1 KB, 36 views)
File Type: jpg 50.JPG (142.7 KB, 31 views)
File Type: jpg 25.JPG (148.1 KB, 31 views)
File Type: jpg mpg.jpg (121.0 KB, 33 views)
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post #899 of 942 (permalink) Old 04-19-2017, 06:37 PM
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Have let my Trip A run since brand new: 25.7 MPG over ~18k miles. Mostly suburbs. I removed the lower front valence/fairing when new.
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post #900 of 942 (permalink) Old 04-25-2017, 10:59 AM
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Diesel MPG (Diesel only please)

Back to back tanks with nearly identical driving and routes. Only change was from winter to summer diesel. At least I'm getting what the EPA said I could get, they must do testing with summer fuels.




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Last edited by green02crew; 04-25-2017 at 11:07 AM.
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