GX - 2nd Gen (2010-2023) Discussion topics related to the 2010 + GX460 models
View Poll Results: What is your MPG?
under 15 MPG
51
27.87%
15-18 MPG
77
42.08%
18-20 MPG
48
26.23%
over 20 MPG
7
3.83%
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MPG Discussion

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Old 09-14-18, 11:35 AM
  #346  
Lolizzle23
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Question Any suggestions on how to get more MPG on this beast!?!?

Has anybody done any modifications to get more MPG>?
Old 09-14-18, 01:01 PM
  #347  
CanadaGX
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Only drive downhill?

I played a lot with mine during my road trip. Best mpg was related to speed. If I kept it to 70mph I could get over 24mpg. If I drove 80mph it was down around 20mpg. I noticed no difference between premium and regular fuel.

Other things worth trying. Hard stock tires (40psi+) Remove roof rack. Remove extra weight. Draft a semi!?
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Old 09-14-18, 01:15 PM
  #348  
Romanova
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What gas are you running? What oil are you running? What tires are you running? What air pressure are you running? How are you driving?

A lot of variables here that will impact your MPGs...
Old 09-14-18, 02:17 PM
  #349  
Lolizzle23
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Originally Posted by Romanova
What gas are you running? What oil are you running? What tires are you running? What air pressure are you running? How are you driving?

A lot of variables here that will impact your MPGs...
Premium gas, full synthetic, stock tires at 40psi, driving normal... getting 15-17 MPG...
Old 09-14-18, 02:21 PM
  #350  
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Originally Posted by Lolizzle23
Premium gas, full synthetic, stock tires at 40psi, driving normal... getting 15-17 MPG...
What weight oil... 0W20 is recommended for best mileage. I noticed a difference when I switched to that from 5W30 that had been used. I would suggest going down to the factory psi for the tires.... I think it's 32psi, just check the drivers side door jamb sticker. Finally, being soft on the pedal will help. Remember, it's a heavy vehicle.
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Old 09-14-18, 04:47 PM
  #351  
Acrad
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Pedal Commander does have an Eco throttle mode. Might be worth a short... they do have a money back guarantee.
Old 09-14-18, 05:29 PM
  #352  
tecman
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Originally Posted by Acrad35751
Pedal Commander does have an Eco throttle mode. Might be worth a short... they do have a money back guarantee.
Ha, I haven’t had any desire to test that setting but I may now out of curiosity. I am at 14.8 mpg now but expected as I have been on mostly side streets lately.
Old 09-14-18, 05:45 PM
  #353  
Lolizzle23
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Originally Posted by Acrad35751
Pedal Commander does have an Eco throttle mode. Might be worth a short... they do have a money back guarantee.
Eco throttle mode is on.. Looks like the MPG is what it is. Gotta take the good with the bad. Well worth it tho!
Old 09-14-18, 05:46 PM
  #354  
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Another setting that uses more gas is over in sport mode. I think it limits or excludes torque converter lockup over normal mode. Not sure if gear specific though... I've seen that on mine anyways. Watching the real time MPG meter can help as well.
Old 09-14-18, 05:56 PM
  #355  
Acrad
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Originally Posted by Lolizzle23
Eco throttle mode is on.. Looks like the MPG is what it is. Gotta take the good with the bad. Well worth it tho!
3rd party product

https://www.pedalcommander.com
Old 09-14-18, 06:03 PM
  #356  
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Old 09-15-18, 07:28 AM
  #357  
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What's the sweet spot for highway driving in terms of mpg? I average 70 mpg and it is not working out too great for me.
Old 09-15-18, 07:40 AM
  #358  
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Originally Posted by jkonquer
What's the sweet spot for highway driving in terms of mpg? I average 70 mpg and it is not working out too great for me.
What type of terrain? Lots of hills?

Are you near sea level?

I know on mine I can do really good if flat in the 70-80 range. Near 21... throw some hills into the mix and it dials back to like 16-18 MPG at same speed. I drive with Sport but I've seen at least a 1-1.5 MPG drop if left in that mode over same path.(IE: S6)
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Old 10-07-18, 10:04 AM
  #359  
LexusinLa
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Originally Posted by Lolizzle23
Has anybody done any modifications to get more MPG>?
ethanol free gas brought my average from 18.9 mpg to 22 mpg
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Old 10-07-18, 12:21 PM
  #360  
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Gas, tire pressure and most importantly - driving style. I get reasonable mileage when I drive, when my wife drives it drops by 15%, lol (quick starts, stays on the gas until it's time to brake, etc, etc.).


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