2016 - 6 cylinder Gas Mileage Dropped? - Page 2 - Chevy Colorado & GMC Canyon
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post #21 of 42 (permalink) Old 09-16-2016, 01:48 PM
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I just travelled from Marshfield Ma to Tampa FL going I 95 most of the way. Used cruise control all the way and averaged actual 24.5 MPG at steady 71 mph. DIC said 25.4, on the way back I decided to not use the cruise control on my last fill up on the Garden State Parkway in NJ went 272 miles to MA and drove 65-70 and got actual 26.7 MPG and DIC at 27.5. That route is all rolling hills, 2016 V6 4x4 CCSB

I posted this a while ago and brought in for an oil change as soon as I got back, and waiting on parts for the shutters.
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post #22 of 42 (permalink) Old 09-16-2016, 02:02 PM
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Running highway at 65 yields 27-28 mpg in my 2016 2wd. Bump it up to 70 and the mpg goes down to 25-26. Run 75 and your down to 24. Best 50 and 25 mile ranges on the DIC are over 30.
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post #23 of 42 (permalink) Old 09-16-2016, 02:14 PM
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Quote:
Originally Posted by USMC7011 View Post
When you make the appointment, you might ask them about it so they can order the part and save yourself a second trip in.
Thanks for the heads up. Got an oil change coming up pretty soon. I'll ask them about it. I've also got to get the dang hood striker thing done while they have it.

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post #24 of 42 (permalink) Old 09-20-2016, 06:57 AM
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Just had the PIP performed for chugging and sputtering and my mileage just dropped to 14 mpg city on the DIC I just turned 2,400 miles, the torque converter has been replaced, but still runs like an old truck with the chugging. It's encouraging to see others getting such great mileage and performance. Glad to know it can be done.

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post #25 of 42 (permalink) Old 09-20-2016, 08:00 AM
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Originally Posted by Tinker View Post
OK, in the last couple of months it has been dry, hot and dusty here in MD. I also experienced a loss in mileage with sputtering upon acceleration and what appeared to be much soot around the tailpipe. I found the problem to be a clogged air filter. Once I dropped it in the pep was back as well as mileage. I had just recently had the dealer perform the PIPs and new steering Cals for my 15' 3.6l and it didn't solve any issues. (the air filter solved most of them, it's often overlooked since it has a long change interval). YMMV
Where do you live/work, in a dust bowl? Just curious, in my view, to get an air filter clogged within a year period, it has to be pretty nasty.
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post #26 of 42 (permalink) Old 09-20-2016, 11:47 AM
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Quote:
Originally Posted by USMC7011 View Post
Just had mine done this week and noticed a nice jump in MPH. It's not really a recall, not a safety issue. Whenever you go in for a service they should check your VIN the computer and it will pop up, most of the time they will have to order the part and you will have to go back in for about an hour to have the fix completed. It is a replacement and recalibration of whatever module they have to replace. When you make the appointment, you might ask them about it so they can order the part and save yourself a second trip in.
Yes, its a good idea to tell the dealership about this, and that they need to ORDER the part before they try to fix it. The morons at my dealership just tried to "fix it" without ordering the new parts, ended up putting the truck in "Limp mode" and was not able to drive it. So is sat at the dealership for a week waiting on parts. Really aggravating when all i told them to do was an Oil change and Android auto update.
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post #27 of 42 (permalink) Old 10-01-2016, 09:00 AM
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What are the shutters you guys are talking about? Just got my 2016 Colorado. Just want to be aware of possible future problems. Thanks
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post #28 of 42 (permalink) Old 10-13-2016, 09:36 PM
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I noticed that my MPG went down a bit, and it's starting to cool off here in the deep South, so of course the first thing I thought of was PSI. Sure enough. I was down to 19mpg or so, with 33.5 in the tires. Jacked them back to 37 front, 35 back which is where I like them, and wow, back to 23 with ease. Long stretches will kill 25-27mpg at 55 all day long. Doesn't hurt to check, but I am a tire pressure freak though. I have also noticed that on short trips there is no way to get this thing warmed up to the point of getting good MPG. It really starts climbing after a half hour or so on open roads. Stop lights, forget it.
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post #29 of 42 (permalink) Old 10-20-2016, 08:10 PM
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BURN REAL Gas no ethanol in it. Own a 2015 colorado Z71 going 40 miles to work getting 25.5

Last edited by jacksz71; 10-20-2016 at 08:26 PM.
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post #30 of 42 (permalink) Old 11-05-2016, 11:49 AM
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Originally Posted by Red Rock View Post
Where are you located? Have they switched from summer gas to winter gas? That will make a difference. Also, there was a post the other day about the sputter. Here a link to the post about the shudder: PIP
Exactly my experience over the winter with a 2015. Between the colder weather and the switch in fuel I have seen a drop in fuel economy when the weather got colder. It jumped right back up to where is should be in the spring. It is November and I am in Michigan, and I have noticed the milage dropping again. Its not that cold yet, so my guess is the change in fuel blend is a big factor.

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post #31 of 42 (permalink) Old 11-08-2016, 11:46 AM
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Originally Posted by Plateado View Post
Where do you live/work, in a dust bowl? Just curious, in my view, to get an air filter clogged within a year period, it has to be pretty nasty.
His info clearly shows: "The Communist state of Maryland" , Sounds a lot like the state I live in. Communist and a very dirty town too. aha

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post #32 of 42 (permalink) Old 11-08-2016, 12:03 PM
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You could always get a K&N air filter to help mileage, OR to get the same result and much cheaper just take your filter out and run nothing....(this should get some interesting replies)

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post #33 of 42 (permalink) Old 11-08-2016, 04:29 PM
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His info clearly shows: "The Communist state of Maryland" , Sounds a lot like the state I live in. Communist and a very dirty town too. aha

I mised that... tha ls for ponting that out.
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post #34 of 42 (permalink) Old 11-13-2016, 10:46 PM
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OK, I just came back from vacation, and for the first time in years we drove to our destination. I drove from NJ to FL and back. I forgot to do mileage on the trip down, but got it on the way back. My results are interesting, to me anyway.

2016 Colorado LT, 4x4. No towing, maybe 125lbs of cargo, and 370lbs between my self and my wife. Truck is bone stock with the exception of a tonneau cover. All gas purchased was middle grade, 89 octane. There wasn't really any major traffic issues on I95. There was some rubbernecking in Delaware for about 6 miles. Average speed, I would guess to be right around 65. I was afraid my hood was going to blow off if I went over 70mph. Yes, the hood flutter is a real thing and needs to be addressed.

Fill up #1
9.549 gl
217.7 mi.
22.798 avg.
DIC Reading ~ 23.3

#2
12.507
289.4
23.13
DIC ~ 23.7

#3
11.243
256.1
22.77
DIC ~ 24

#4
14.335
337.5
23.5
DIC ~ 24.8

The DIC fluctuation is the most surprising to me, then the lack of getting to 25MPG. It's a truck so I wouldn't expect much better than what I got. I didn't buy it for economy reasons. Something else I noticed about the DIC. When I fill up normally, my miles to empty starts out at roughly 390. While on this trip, my miles to empty jumped to 480 on fillup 2 and 503 on the 3rd fillup.
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post #35 of 42 (permalink) Old 11-13-2016, 11:04 PM
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Originally Posted by duxx View Post
OK, I just came back from vacation, and for the first time in years we drove to our destination. I drove from NJ to FL and back. I forgot to do mileage on the trip down, but got it on the way back. My results are interesting, to me anyway.

2016 Colorado LT, 4x4. No towing, maybe 125lbs of cargo, and 370lbs between my self and my wife. Truck is bone stock with the exception of a tonneau cover. All gas purchased was middle grade, 89 octane. There wasn't really any major traffic issues on I95. There was some rubbernecking in Delaware for about 6 miles. Average speed, I would guess to be right around 65. I was afraid my hood was going to blow off if I went over 70mph. Yes, the hood flutter is a real thing and needs to be addressed.

Fill up #1
9.549 gl
217.7 mi.
22.798 avg.
DIC Reading ~ 23.3

#2
12.507
289.4
23.13
DIC ~ 23.7

#3
11.243
256.1
22.77
DIC ~ 24

#4
14.335
337.5
23.5
DIC ~ 24.8
1
The DIC fluctuation is the most surprising to me, then the lack of getting to 25MPG. It's a truck so I wouldn't expect much better than what I got. I didn't buy it for economy reasons. Something else I noticed about the DIC. When I fill up normally, my miles to empty starts out at roughly 390. While on this trip, my miles to empty jumped to 480 on fillup 2 and 503 on the 3rd fillup.
Were you using the cruise control?

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post #36 of 42 (permalink) Old 11-14-2016, 09:44 AM
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Yes, I was using CC when possible. Sometimes going 25-30 minutes without interruption.
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post #37 of 42 (permalink) Old 11-16-2016, 04:29 AM
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Originally Posted by duxx View Post
OK, I just came back from vacation, and for the first time in years we drove to our destination. I drove from NJ to FL and back. I forgot to do mileage on the trip down, but got it on the way back. My results are interesting, to me anyway.

2016 Colorado LT, 4x4. No towing, maybe 125lbs of cargo, and 370lbs between my self and my wife. Truck is bone stock with the exception of a tonneau cover. All gas purchased was middle grade, 89 octane. There wasn't really any major traffic issues on I95. There was some rubbernecking in Delaware for about 6 miles. Average speed, I would guess to be right around 65. I was afraid my hood was going to blow off if I went over 70mph. Yes, the hood flutter is a real thing and needs to be addressed.

Fill up #1
9.549 gl
217.7 mi.
22.798 avg.
DIC Reading ~ 23.3

#2
12.507
289.4
23.13
DIC ~ 23.7

#3
11.243
256.1
22.77
DIC ~ 24

#4
14.335
337.5
23.5
DIC ~ 24.8

The DIC fluctuation is the most surprising to me, then the lack of getting to 25MPG. It's a truck so I wouldn't expect much better than what I got. I didn't buy it for economy reasons. Something else I noticed about the DIC. When I fill up normally, my miles to empty starts out at roughly 390. While on this trip, my miles to empty jumped to 480 on fillup 2 and 503 on the 3rd fillup.
Seams to me the DIC is pretty darn close. No? I think it would make sense that the DIC would tell you different readings depending on your mileage at that specific place in time. In other words, calculated at what your mileage was at that specific moment.

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2016 Colorado 4x4 CC SB V6
AS level/lift 2.5" w/1" rear block, diff drop
275/70-17 Cooper AT3 on MotoMetal 970s
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post #38 of 42 (permalink) Old 01-05-2017, 08:00 PM
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70 mph average, AC on and sitting in bumper to bumper backups 3 times for close to 40 some odd miles (total). I have no complaints. My average for my normal 99% city driving is 23-24 mpg range. 2016 CCSB 2wd V6.
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2016 CCSB LT V6 --- Purchased Oct. 15 2015 --- LT Convenience Package --- Tow Package w/ Locking Rear Diff --- GM Black Bowties --- AVS Vent Visors --- Belltech Lowering Kit
Air Dam Mod --- Bakflip MX4 Hard Folding Cover --- Line-X Bed Liner --- 20x8.5 American Racing AR914's +15 offset --- 255/50 Nitto 421Q's

Lowering Thread: http://coloradofans.com/forums/193-2...t-lowered.html

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post #39 of 42 (permalink) Old 02-26-2017, 12:14 PM
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I have driven my 4x4 Canyon to Texas twice with the bed packed with ammo and rifles for hunting and fun, my buddy flies up to my place (Washington State) and drives back with me, we average 70-75 on the trip. Speed limits in Montana Wyoming and Texas are often posted at 80 but i tend to be about ten under that when i drive. Gas mileage averages 24.9 for the trip and it has been close to the same four times with the infocenter showing the best tank at thirty and the worst was 21.9 (snow storm in Colorado).
I have a 2017 Canyon Denali on order for the next trip so will see if any changes.

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post #40 of 42 (permalink) Old Yesterday, 07:38 PM
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Wind can also hard play into this too. Drove my Colorado from TN to OR. Kansas had steady 30-40mph wind, knocked gas mileage to 12-14 mpg at 80mph, 15-17 mpg at 70.
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