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Just purchased my 2nd GM SUV 2013 Terrain 3.6 V6. Would appreciate any feedback from 2013 GM owners; will be posting my 2013 3.6 V6 experiences forging forward.
I had also noticed some UN-expected temperature changes in HVAC system .
I was a little suspect and thought the A/C system was being used when it shouldn't have been (auto-climate off/A/C off/recirc off/defrost off/last setting off.)
on a trip one weekend I decided to test with everything A/C related off. Set the cruise to 56MPH on a flat road and reset D.I.C. display. After 80 miles or so aver MPG was 24.5.
On a similar trip the following weekend (pretty much same weather/driving conditions) I attempted to shut HVAC system off completely (pushed fan button to shut it down) and aver MPG jumped to 27.3 .
Took it in to dealer to check and they found no codes or bulletins (somehow it appears they missed PI-0666 which talks about UN-expected temperature changes ). They did however redo the HVAC programming and I think its better (but hard to tell in heat wave we are having that really requires A/C usage).
As for ECO switch, I find that the HWY mileage improved when ECO is OFF. On the other hand for around town with ECO mode ON I get the 25/26. What I do not understand is how it operates. The manual does a poor job of explaining it. So why doesn't the computer just doesn't optimize mileage without that switch?
Still disappointed Terrain owners were flat out lied to.
I am sorry - but taking it to the dealer does not mean anything. The dealer did a "consumption test" on my vehicle. They (Star GMC, Quakertown, PA) said it was doing 38.8 mpg - yes, 38.8 mpg. I asked them where the gas is going since the best it has ever done is 27.4 mpg. They assured me I am getting 38.8 mpg!
We're sorry to hear that you aren't completely satisfied with your current fuel economy. If you need any additional tips or insight, please let us know, and we'll try and help.
Amber N.
GM Customer Care
eco
I can't complain about advertised mileage as I find it pretty easy to beat when on highway and to a certain extent secondary roads, same as my last 5 vehicles I've owned
NOX123 As for other topics being discussed in this thread this is not the place for it. If it is not related to mileage start a new thread.
Amber from GM, Thank you taking the time to read our complaints. I am through with the nonsense of talking to the dealers who do not have a solution. Your mileage ratings are bogus. Please let us all know when a repair bulletin is issued that will get us to where GM promised and I will be sure to get in contact with the dealer and get mine fixed. In the mean time I will keep my gas receipts for the class action suit.
Anything else you would like to know? Received a call from GM yesterday; said they would like to check on the 38.8 mpg that dealer said it was doing. Nice lady but I am sure there is not much they can do with vehicle. We all know it will not do 30 mpg going downhill with a tailwind.
I also owned a 2010 4cyl Equinox which averaged 22.5MPG up to 28MPG depending on my driving. However; you sacrifice the horse power for the MPG with the 4cyl. and not as smooth as the V6.
The newer optional 3.6 V6 300HP is a smooth running engine and will really get up and fly if you like the power and aren't overly concerned with MPG.
I have my oil & filter changed at dealer @ 3500 miles, First oil change @ 2000 miles due to breaking in new engine. The oil changes are cheap insurance in the event of driveline failure; my warranty is going to work for me.
Do you have the 4cyl or 6cyl? FWD or AWD? Have and used auto-climate control?