Yes, thanks, I've visited Fuelly and see mixed and a bit limited results, especially for the V6 engine. I thought maybe here there would be a higher concentration and possibility of more concise results.

So far my best is 28.3 calculated in mixed semi rural (85%) and city (15%) on our 2015 LTZ FWD 3.6L V6. This was the first 113 miles driving.

Below is a picture of the DIC on the second day of ownership with the above conditions. Started with 6 miles on the odo.

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Just a short update on DIC fuel mileage during an approximate 1,170 mile leg of a 2 Day trip recently.

This will be in two posts so I can post 2 sets of pictures. The first set is Day 1 which is mostly interstate traveling at 65 to 72mph.

The Second post will be for Day 2 with the pictures showing pictures of average mpg at 55mph after a 70 mile stretch of two lane black top roads.

Below in this post is the beginning of the trip starting at 1,493 miles on the odometer and showing 3 DIC pictures each after driving 100 miles or so after a fuel fill up.

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File Type: jpg	Trip Start 3-28.2015.jpg (71.4 KB, 20 views)
File Type: jpg	Trip After 163 Miles.jpg (79.3 KB, 20 views)
File Type: jpg	Trip After 331 Miles.jpg (92.3 KB, 21 views)
File Type: jpg	Trip After 685 Miles.jpg (84.5 KB, 20 views)

The point of this post is to show a couple things. You can get 30mpg with the 3.6L engine and it can be sustained for 50 miles or more on relatively flat roads with some rolling hills and even a few stop signs. Also, this series of DIC displays shows how the miles per gallon can increase over a 10 to 12 miles range and rater quickly. It also can drop rather quickly if road, wind or traffic conditions change.
Now here are some 3 DIC average displays on day two of the trip after driving about 50 miles on a 70 miles final leg at 55 mph or so on a two land black top highway with a few stop signs and rolling hills:

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File Type: jpg	Trip 2nd Day 1176 Miels.jpg (92.9 KB, 14 views)
File Type: jpg	Trip 2nd Day MPH.jpg (88.0 KB, 13 views)

very nice 3.6.
No idea why more folks do not opt for it.
Maybe cause theyre not usually stocked in large amounts

What was the inside load.

First for all to note is that this is a new Equinox LTZ starting with only 1,493 "break in" miles before the trip. Note the miles per gallon on the way home below in this post while traveling at 72mph on relatively flat I-65 in norther Illinois. After some additional +3,000 miles of driving the engine is already improving and breaking in.

I changed the oil previous to the trip and have Pennzoil Platimum Ultra 5w-30 in it.
The inside load was 2 adults in the front seats and the rear pretty packed with two large wheeled suit cases, a cooler, 12 gallon plastic tote of food items, cameras, jackets, pillow, etc and another travel bag and odds and ends. I would say cargo weight and passengers was about 495 lbs or so. Wife and I are average weight and I am 5-11 and 190. Wife won't tell . . . lol

The Equinox was evenly loaded and rode really nice with the extra weight. As you know, the FE2 suspension on the LTZ is pretty firm when empty.

I will edit this when I can tally all my gas receipts. These DIC pictures were a good indicator of average mpg but I did notice mpg readings with drops pretty quickly if hills are encountered, speed increases and heading into a wind. Surprisingly, on the way back traveling pretty flat interstate at 72mph, we also got 30mpg for the last 50 miles or so. Pictures are below:

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So then, taking into consideration this was a brand new Equinox 3.6L and it was the first long distance trip what is the bottom line?

I just tallied up all my fuel receipts and broke them down into three segments:

Segment 1 was the first 1,081 mile leg of the trip which was all freeway except for the last 75 to 80 miles of two lane 55 - 60mph black top road.

For Segment 1, I drove 1,081 miles and used 41.6gal of fuel netting aprox 25.98mpg.

Segment 2 was 209 miles of mostly short trip miles to and from various places driven at 30 to 55mph with quite a few stops over the week we spent at our destination. It yielded: 209 miles using 8.2 gallons or 25.48mpg.

Segment 3 was the trip home and a bit longer leg because of a slightly different route.
It was 1,171 miles using 43.8 gallons and 26.74mpg.

AS you can see, while the DIC will indicate higher and lower (not pictured) mpg for short term averages , the calculated long term mileage was about 26mpg for our trip.
I consider this about what I expected on a new engine with less than 1,500 miles previous break in.

Also, as you can see, the miles per gallon got better on the way home verses on the way down. It could be due to several factors, but it did improve.
The bottom line is +26mpg is better than the rated 24mpg that the Equinox is rated for with a 3.6L V6 engine. And I will continue to log fuel usage and calculate as time goes on to see how we fare.

based on my 2 3.6's--- and used oil analysis..

wear in will level off around 12,000 -15,000

Thats when Iron count will settle down- and remain relatively steady-- if all is well

thanks & Good to know. I have a UOA kit on hand to send in before my next oil change. I want to at least establish a base line for what is in the oil now and then after many more miles.

I have a question. When you fill the tank, do you reset the average mpg on both screen displays that show mpg/instant/best or just the one that shows average?

I reset them every time I filled up except twice later on in our trip because the average the DIC showed was as much as 2 to 3mpg off of my calculated.