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GMC Acadia Real World MPG

60 messages,  Last post on Aug 03, 2009 at 1:23 PM

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What is this discussion about? GMC Acadia, Fuel System, SUV

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#43 of 60 Re: 2008 SLT1 FWD 1st tank [mark366160] by mark366160 Feb 26, 2008 (4:11 pm)
Replying to: mark366160 (Feb 18, 2008 6:44 pm) 2nd tank on 2008 SLT1 FWD with about 700 miles on it got 18.8 mpg doing the same 15 mile commute as in previous message. Average MPH was about 26. Mileage was as high as 21 at one point, but once I got to the weekend and started hauling family around to soccer games, grocery stores, etc, it dropped.   Anyway, overall the MPG for this thing is pretty good, especially compared to the Suburban I came from. Haven't had it on the highway for an extended period, so don't know that MPG.   AWD is going to be less. My wife has a 2005 MDX, which is AWD, and the way it works, from 0-15 mph, the thing is in four wheel drive mode. Once you get over 15, it switches to front wheel drive mode. Just having the connection to the rear wheels, whether it's active or not, is going to drain some power, and thus MPG. Where I think the impact is worse is over that first 15 mph. I would think the drag is much more when in 4WD mode, so if you're in alot of stop and go traffic, your constantly in that mode. I would think the AWD Acadia works in a similar fashion. On the highway, the MDX does pretty good, but in alot of stop and go, it's down around 14mpg...
#44 of 60 My 2007's real world milage by cravenfan Mar 29, 2008 (4:31 pm)
Normal driving - 1/2 highway, 1/2 backroads to and from work = 19.5mpg   Highway - 22-24 (24 if I baby it, go the speedlimit, etc.)   Pulling a snowmobile on a trailer = 16.5 in trailer mode   Pulling two snowmobiles on a trailer = 13.5 in trailer mode   My Yukon got about 16.5 all the time. My Acadia has more horsepower than my 99 Yukon did and pulls the sleds better.
#45 of 60 Re: Gas mileage experiance? [lukesdaddy] by ajhdaisy Apr 07, 2008 (12:19 pm)
Replying to: lukesdaddy (May 12, 2007 4:47 am) We just bought an 08 FWD Acadia and the first tank of gas we got 19.2 mpg! Combination of City/Hwy miles, live in MS so no mountain pulling! I have been very slow to take off and brake and I think that has helped alot too.   Hey, compared to some of these posts, I think that is pretty good!
#47 of 60 Acadia mpg by fletch6 Apr 07, 2008 (1:40 pm)
I bought a 2007 Acadia in June of 2007, and drove to Ohio from Fl. I went up I95 to 77 in South Carolina, and I averaged 72 miles an hour, and got 23 mpg up and back. I have not had any problems with my Acadia, unless you consider all the complimemts I get on my Acadia a problem.
#48 of 60 Acadia MPG by phillybill Apr 29, 2008 (4:54 am)
I am getting 7.2 MPG all city with a soft foot, no compressor, and mostly coasting like a granny. Called the dealer and they took it for a test and said they got 16.6 MPG city. I checked the DIC when I got the car back and notice that they did get 16.6 but had an average speed of 36 MPH. meaning for their city test, they put some highway on it. Called the sales man to complain and he actually told me to go f-- myself. He could care less about the problrems I am having just so long as the sale was made. If he had not bait and switched me, maybe I would have one of the working Acadias instead of this Lemon. As of today, 7.2 MPG, check engine light on twice for cam shaft glitches, dealer had it for 3 days and did nothing to repair because the light went out on its own.
#49 of 60 Pretty impressed w/ the Acadia. by kbacon May 23, 2008 (6:39 pm)
I've got a '08 SLT1 FWD and have had it 3 wks now. Milage has slowly been increasing the more I drive it... about 1100mi now. Averaging about 19mpg lately... started at 17mpg average. Reset the DIC heading home other night (15mi)... started coasting (shift to neutral) as soon as I saw lights turn yellow.. tried not to brake if I didn't have to. Slowly eased on the gas when taking off.. and I managed to average 27.7mpg for that 15 mi trip. This was going 45-55-45-55-45-35-30.. I caught a couple of stop lights.. but made most of them. I was highly impressed!
#50 of 60 12 MPG! by manufan1 Jun 02, 2008 (9:59 am)
By this month I've had my '07 AWD Acadia for a year. There is no major problems to my Acadia and I still love it as the first day I bought it. So far my only complaint is the poor MPG. Yeah it wasn't a problem before but now it is. The 17/24 has been a fairy tale to me.   I am not a agressive driver and I know all the gas saving tricks. The first time I filled up the gas tank then set up the the odo....It ran only 220 miles and the gas light on. To make sure that I did it couple of more times and found out no big changes.
#51 of 60 Not getting the MPG by stdavis Jun 05, 2008 (4:55 pm)
Well I have to concur with manufan1. Purchased the 08 Acadia AWD SLT2 Dec 30th 07 and have put about 5000 miles on it so far, almost 100% in town driving and I haven't seen 15 MPG yet, as a matter fact the MPG has declined to under 13 since we have started needing the AC more. In every other way the vehicle has exceeded my expectations, but I would be glad to give up performance to achieve anything approaching 18MPG in town. I have an 04 BMW X5 4.8is with 60k on it and I routinely get 16.5 in town. It's hard to imagine driving any more conservatively than what I do now. Has anyone heard of a fix that GMC might apply to improve the milage??? I've heard of programing adjustments that may change shift points in the transmission that could improve milage, Replies to this message: manufan1 (Jun 11, 2008 10:31 am)
#52 of 60 Re: Not getting the MPG [stdavis] by manufan1 Jun 11, 2008 (10:31 am)
Replying to: stdavis (Jun 05, 2008 4:55 pm) I had that software update 3 month after I bought my Acadia because GM sent me the letter for the update. It did make big difference on the accelerating performance. The update made transmission work more responsive than before and since then I started to feel I was driving a normal car, otherwise when I drove it up/down hill, or just to accelerate it, I could hear the engine noise went abnormal, tranmission odo went up & down and it was just lost control. I did not record the MPG before I did the update but I believe it was worse than now.    I think the update is only recomended for some same lot Acadias because it was a problem. Wonder how they rate their MPG 17/24, or maybe where I live has too many traffic lights?

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