2015 Equinox LTZ 3.6L - -Story Continues - Page 14 - TerrainForum.net: GMC Terrain Forum
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post #131 of 139 (permalink) Old 04-29-2017, 11:36 AM Thread Starter
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Re: 2015 Equinox LTZ 3.6L Ordered 12-18-2014 - -Story Continues

So now just turned over 20,000 miles on our 2015 Equinox. After posting the Blackstone UOA , I thought I would update a bit more.

We did not take any Spring trip this year as the past 2 years so no new long MPG to report. I did have to pick up the son-in-law at the airport late yesterday so had a good 160 miles or so of interstate round trip at 65 to 72 MPH. DIC reported a high of 30.1MPG for this airport trip with just a stop in the parking garage for pickup and back onto the interstate. I filled the gas tank on Monday morning, reset the Trip 1, and wife drove it to work 5 days along with one or two stops during the week at local stores. So the total so far this week was 234.4 miles as shown. The gas gauge shows a little less than half a tank left.
The "Average Fuel Economy" screen shows the lifetime average of 21.1MPG for all driving and has not been reset since January of last year - - 2016.
Over all, MPG for the 12 mile round trip drive wife takes to and from work, Winter nets between 17 and 19 MPG depending on how many side trips and stops, idling , etc occurs. In mixed city, semi rural and short 15 to20 miles freeway stints winter MPG will scoot up to 22MPG or so. Summer is much better and we tend to average 22 to 23 MPG for similar driving.
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As reported in earlier posts, I look forward to Summer mixed highway and interstate mileage to be at least 27 to 28MPG and we often see legs of 400 miles at 28 to 29MPG which we are pleased with on this 3.6L LFX V6 engine.

I had the last free oil change from the dealer on January 4th, 2017 and had emptied the Elite Oil Catch Can at that time also. Since this was winter driving up till this point with mostly short trips (4 months only 2,000 mile or so), I emptied the Oil Catch Can last weekend and it contained about +2 ounces of oil and some of the usual cold weather yellow oil/water emulsion. Interesting that this +2 ounces of oil in the catch can still doesn't register any noticeable drop on the oil dipstick. In fact, since owning the 2015 Equinox LTZ, I have not noted any drop in oil level even after +4,000 miles on an oil change.
I plan on changing the oil soon with Pennzoil Full Synthetic and a Wix filter which should take us well into September - October or longer.



On a side note, we also added a new 2017 Colorado LT to the garage and just turned over 1,000 miles in it. It has the new GM LGZ 3.6L V6 with "Displacement On Demand" and 8-speed transmisson which goes from V6 mode to V4 mode. There is an indicator that shows this on the DIC and it basically only goes into "V4" when coasting up to a stop or going at steady, low speeds under 30MPH on a very level road. So far on 3 fill ups and mostly local mixed driving, I've been getting a hand calculated 21 to 22 MPG. (DIC show a high 'Best 50 Mile Avg of 29.1MPG). This represents about 40% interstate and 60% short trips around town and semi rural roads. The reason I mention this is that it seems to match or even best MPG the Equinox with the previous LFX 3.6L V6. Very pleased with that.
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2019 GMC Acadia SLT-1 3.6L LGX V6 - Build Date: 4-11-2019 - Bought 6-22-2019

SOLD - - 2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015 *

SOLD with *38,865 miles 8-15-2019.
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post #132 of 139 (permalink) Old 04-02-2019, 10:39 AM Thread Starter
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Wow. . . it's been a couple years since I added to this "The Story Continues" thread.
The 2015 Equinox now has 36,988 miles on it.


I have that other thread which deals more with MPG and trips.
But will combine some latest trip info, MPG, and update in this thread. Less to type.

I'll maybe add some DIC and receipt pics later.
We did our Spring vacation to Florida which was a +2,690 mile round trip including some area side driving while down there. We started out the trip with about 34,300 miles on the odometer and I filled up right before leaving and added a 20 oz container of Gumout One N Done (not the ineffective "All-In-One" stuff) fuel treatment with P.E.A. I thought I would try this product for an annual fuel system and combustion chamber cleaning rather than the Techron I used for the past 3 years or so.

I filled the tank with Exxon 87 and One N Done and drove for some 453 miles till I filled up again with Exxon 87. Did it help? Well, I did notice smoother idle and more steady instant MPG DIC readings while driving, where before, the instant MPG reading seemed to "dance" up and down more. Now it is more steady as when the Equinox was new. So maybe it helped clean the fuel injectors and carbon at least some.

The first 452.9 mile tank full, MPG was about the same as previous trips, but I later drove more along with traffic which was often more around 75 MPH or more at times. I calculated MPG at each fill up and it was always around 26 to 28 MPG. The first tank full with the One N Done we started out at 36F and drove 65 MPH for the first 160 miles with cruse control off. We then stopped for breakfast (we left at 4AM) and I then drove with cruise control on at 72 MPH for 256 miles until the first fuel refill. The mileage was 415.9 miles/ 16.7 gal = 27.119 MPG.
Later on and the next day, we drove faster to keep up with I-57 and I-65 traffic and still got 26.5 to 27 MPG. This also included hilly driving north of Nashville, TN and later more hills in Alabama. We also drive the last 150 miles or so at 62 MPH on some 2 lane state highways and the DIC recorded an average of +29 MPG. That last tank full netted 28.2 MPG which also included about 60 miles of I-10 driving at +75 MPH.
So much for this small bit on MPG info. The point is, that the 3.6L Equinox gets as good or better MPG as we expected depending on speed, wind, road and weather conditions. If I drive it at 55 to 60 MPH, it can get +29 to 31 MPG. At 65 MPH 27 to +28 MPG is attainable.

Anything over 70 to 80 MPH 25 to 26.5 MPG is more the case, although, on mostly flat to gently rolling interstate with little to no wind, I have recorded calculated +28 MPG as well for 200 to 300 miles at 72 to 75 MPH with no cruise control used.

The 2015 Equinox LTZ now has 36,988 miles on it. So far it has had no problems repairs, just normal oil changes, tire rotate and I installed a new WIX air filter before this trip. The air filter didn't look terribly dirty, and I could still see clean area in between the folds of filter media, but it had 34,000 miles on it.

The Michelin 18" Latitude tires (had 2 plug repaired punctures in one tire and 1 in another) are wearing even and well. They are a bit noisy on some pavements and usually read 38 to 39 PSI (35PSI cold) after warming them up on a long drive. Tire tread is still good (1/4"?) but I will get new tires this Fall or whenever they have the $200 rebates again at my dealer. Not sure I want the Latitudes as I think there are less noisy tires and smoother riding out there. Possibly one of the Goodyear Assurance line of tires since we had good results with those.
We do find the Gen 2 Equinox roomy, comfortable seats even when in them for 10 to 14 hours of driving, we like the sliding rear seat to allow for either more passenger room or make for more cargo room. The mid position seems to work well and allow all the luggage, totes, and other items we take on our trips.
I look at some of the current CUV and SUV out there and not sure what I would buy now. I guess I would lean towards the new Blazer, but will see what reviews say and how durable it proves to be. And. . as long as I can get a V6 in it with no turbo. In any case, that would be at least another 3 years unless things change.
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2019 GMC Acadia SLT-1 3.6L LGX V6 - Build Date: 4-11-2019 - Bought 6-22-2019

SOLD - - 2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015 *

SOLD with *38,865 miles 8-15-2019.

Last edited by JayTee2014; 04-02-2019 at 12:41 PM.
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post #133 of 139 (permalink) Old 04-02-2019, 11:19 AM
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good to hear this update.
Our 2013 3.6 has been good too.
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post #134 of 139 (permalink) Old 04-02-2019, 06:51 PM
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JayTee - You have convinced me that in '10 I should have bought the V6, and then I would probably still be driving it today, instead ofd buying the '18, but I have no complaints about the '18. Time will tell, but so far, so good !
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post #135 of 139 (permalink) Old 04-02-2019, 07:23 PM Thread Starter
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JayTee - You have convinced me that in '10 I should have bought the V6, and then I would probably still be driving it today, instead ofd buying the '18, but I have no complaints about the '18. Time will tell, but so far, so good !

It's all good. 8 to 9 years in any vehicle is good service and you usually can get some resale value out of it as I'm sure you did. I like to look at miles and age (plus potential repairs or problems) when deciding to buy new. I also like to get at least 1/3 or more of my purchase price back if possible.

I keep my vehicles in better than average appearance and mechanical condition I think, compared to what I see out there for similar age vehicles.
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2019 GMC Acadia SLT-1 3.6L LGX V6 - Build Date: 4-11-2019 - Bought 6-22-2019

SOLD - - 2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015 *

SOLD with *38,865 miles 8-15-2019.
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post #136 of 139 (permalink) Old 05-14-2019, 04:55 AM
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Reading some old posts and this is an interesting one. I'm seeing a near 50% loss in value in the first two years of ownership in the newer vehicles, sure makes sense to 'buy and hold' for a longer time. Keeping one 8 years and getting 1/3 of the original price is probably right on the money for a well maintained machine. And delays the hassle of buying new from the flim flam artists in dealerships these days.
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post #137 of 139 (permalink) Old 05-14-2019, 09:47 AM
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Reading some old posts and this is an interesting one. I'm seeing a near 50% loss in value in the first two years of ownership in the newer vehicles, sure makes sense to 'buy and hold' for a longer time. Keeping one 8 years and getting 1/3 of the original price is probably right on the money for a well maintained machine. And delays the hassle of buying new from the flim flam artists in dealerships these days.
The only downside that I see is the annual increases in costs for a new vehicle. At the rate they are going, in an 8 year period of time, new vehicle costs could almost double. Time for me to consider Colt Hero's approach and drive the wheels off, then replace with a well-researched/well maintained used vehicle.
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post #138 of 139 (permalink) Old 05-14-2019, 02:00 PM Thread Starter
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The only downside that I see is the annual increases in costs for a new vehicle. At the rate they are going, in an 8 year period of time, new vehicle costs could almost double. Time for me to consider Colt Hero's approach and drive the wheels off, then replace with a well-researched/well maintained used vehicle.

I'm in a quandary about the lifetime and upkeep that I am used to following for many years. I am not sure it's prudent to keep a vehicle as long as in the past without significantly more maintenance as we might be used to. Up until 2015-16 or so, we could mostly count on the usual battery, brakes, transmission fluid change, suspension parts, maybe a water pump, a sensor or purge valve, a wheel hub bearing, and a few other things that many could DIY.
The newest vehicles are not only more technology laden, but more difficult to address some new problems with them. Add in the trend for smaller, turbo powered engines and things get even more mechanically complex.
The transmission fluid change is no longer a simple drain and refill as is on the 2010 to 2017 Equinox/Terrain. These newer transmissions all take different fluid, and infact, GM has designated changes in them over the past 3 years. The 8, 9 & 10 speed transmissions are not only more difficult to access the fill ports, but much more care is needed to do any drain & fill. The fluid level must be checked within a particular temperature range. And then filled with whatever the "latest" GM recommended fluid is . . . . different for each transmission and much more pricey than Dexron VI.
That is just one example.
With the advent of smaller 4 cylinder turbo engines, we have seen their own particular weak points like PCV orifices or valves. Nothing so much seen on the new Equinox or Terrain so far, but Buick Encore, and some others are sensitive to cold weather operation.
I'm hoping that this all is just a temporary trend which is working itself out now since the advent of Gasoline Direct Injection and now small turbo engines. On that note, I just don't see these small turbo engines being as durable over 8 or 10 years as the older non turbo engines or a V6 engine.
Even the earlier mentioned suspension, alternator/battery, and some other things are not cut and dried repairs. Care must be taken in choosing the correct parts for the particular vehicle and replacement procedures.

And, if one or more control modules (ECM, BCM, TCM,VCM, etc), have to be replaced, even if you replace it yourself the dealer or service shop is needed to program and merge it with your particular vehicle and options. Even a simple radio replacement can be an issue. Some have had dealers replace a radio and it never returns to a fully functioning device even with factory help.


On top of all this added complexity is the trust we must place that service technicians are up to speed, savvy, and meticulous enough to repair our vehicles properly. All at the same time of facing dubious compensation tactics dealers now are using. The simple oil change, if rushed, can be a problem as we have seen voiced by two members here regarding that.

It really seems to me that a vehicle may just get too costly and complicated to maintain and repair after 8 or 10 years. I'm not sure how that bodes for the used car market unless some ingenious types come up with new creative DIY ways of doing things.

I bought a number of used cars and trucks in the past and it served me well. The way things are now, research is ever more important since one year a brand or vehicle may be fine and the next it may be a repair nightmare.
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SOLD - - 2015 Equinox LTZ 3.6L FWD Champagne Silver Metallic *Build Date 1-08-2015 *

SOLD with *38,865 miles 8-15-2019.

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post #139 of 139 (permalink) Old 05-14-2019, 04:26 PM
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Well said JayTee, and very eye-opening. Hang on to those old cars.
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