Is 13 mpg normal? - Page 4 - GMC Acadia Forum: AcadiaForum.net
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post #31 of 37 (permalink) Old 04-13-2019, 09:54 PM
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The Acadia are way to heavy. With a light foot, it takes awhile to get up to speed but it's either that or dump a tank of fuel. Wish they were engineered better
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post #32 of 37 (permalink) Old Yesterday, 09:25 AM
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I have a 2009 Acadia SLT and I'm supposed to get 25-27mpg highway and 17mpg in city but I'm running 12-17mpg in city and highway 17-18. It's absolutely terrible and I even make sure to be light on the pedal, even if it takes 15 minutes to hit a mile hahah. Have tried fuel injection cleaner, no luck. Tried premium, no luck. If you get this resolved I'd like to know what was done.
How many miles on the truck? I was going to replace the O2 sensors if I were going to keep my 2008 with 212K, the mileage started to decline around 180-190K. My 2015 with 44K recently got 22 on the highway and now is averaging 19 commuting to work and around town.
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post #33 of 37 (permalink) Old Today, 06:54 AM
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The Acadia are way to heavy. With a light foot, it takes awhile to get up to speed but it's either that or dump a tank of fuel. Wish they were engineered better

They are engineered to be what they are. If you wanted something smaller that gets better fuel economy, that is what you should have purchased.


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post #34 of 37 (permalink) Old Today, 06:55 AM
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I have a 2009 Acadia SLT and I'm supposed to get 25-27mpg highway and 17mpg in city but I'm running 12-17mpg in city and highway 17-18. It's absolutely terrible and I even make sure to be light on the pedal, even if it takes 15 minutes to hit a mile hahah. Have tried fuel injection cleaner, no luck. Tried premium, no luck. If you get this resolved I'd like to know what was done.

Whoever told you a 2009 Acadia was going to get 25-27 mpg was pulling your leg.


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post #35 of 37 (permalink) Old Today, 07:03 AM
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They are engineered to be what they are. If you wanted something smaller that gets better fuel economy, that is what you should have purchased.


George
+1. Poor fuel economy was the biggest factor in getting rid of my '11 Acadia after a couple of years of ownership.

Last year realized my CTS was a great touring car but just not practical for my lifestyle. Opted for an '18 Acadia.

Night and day fuel economy. Daily driving my '11 averaged 14-15mpg. My '18 averages 20-21 and 32-33 on road trips.
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post #36 of 37 (permalink) Old Today, 09:59 AM
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mmmmm bought my old 07 and now 14' new. Hwy summer w AC was and is still 21-22mpg avg 75MPH. Just took a 300+ mile jaunt with wife in 60F temp going and 35F temp returning. Avg 21.4 mpg. 16-18mpg in town summer. 15-16mpg in town winter.

***Perhaps buy your car new and break it in right.
https://extramile.thehartford.com/au...-in-a-new-car/

https://www.autoguide.com/auto-news/...s-engine-.html

**You decide what is best for YOUR NEW car engine break-in.

I prefer the slow break-in, with mixed speeds the first 1000[incl hwy] and change oil. I also change the air filter sooner than recommended and chg the synthetic oil at 5000 or sooner.

14', FWD, SLT-1, Navigation, Ziebart Rust Protected & Undercoated - 19" Michelin Defender LTX M/S - Silver Club #7, SLT-1 Club #37. 56,000 mi - Top Tier Gasoline, Techron, Synthetic Oil
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post #37 of 37 (permalink) Old Today, 06:26 PM
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I'm pretty conservative when I drive the '17 Denali, but I don't think I get any better than 17-18mpg around town. But that jumps significantly with pure highway miles. I've never gotten less than 31mpg on a tank of all highway miles, and I've got as much as 33mpg on a tank. Just depends on the topography.

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