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Realistic mpg's

SMJ24

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SMJ24 Enthusiast

SMJ24

Posted
Posted

Hi All,

Somewhat new member with a new 16 1500 Silverado LT purchased 10/30. I've done searches to try and figure out what I should be getting for mpg's because I'm a little disappointed so far. I get a lot of compliments on the truck and most people follow with " I hear those get great gas mileage". My last truck was an 04 F-150 Lariet 5.4 with 150,000 miles and no overdrive. I was getting around 12.5 mpg's around town. The new truck has 5.3 with 3.74 gears. Stock 20" wheels and no modifications other than cosmetic. The only thing I've done that would affect it is a tonneau cover. A guy at work has same truck except his is a 2015 and he claims +/- 20 mpg's. My numbers according to the dash are....

2155 miles

11.4 average

23.9 best ( all highway)

 

I've been keeping track with the trip and calculating the old fashioned way for the last 3 fill ups and consistently averaging 14.5 with 75% in town and 25% highway. Honestly I kinda drive like an old lady so pretty sure that is not the problem.

 

Am I way off or will it get better after the truck breaks in?

 

 

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Grumpy Bear Senior Enthusiast

Grumpy Bear

Posted
Posted

75% town? Winter? I wouldn't be disappointed. Especially if most of those miles are short trips. One trip of 25 miles normally yields a better number than three trips of 8 miles and change. There is allot to consider when doing this sort of study.

SouthernSilveradoGuy85 Senior Enthusiast

SouthernSilveradoGuy85

Posted
Posted

Winter and letting it warm up for a long time will effect that average. Also check your tire pressures to make sure they're all equal and not too low. Lower the psi the more grip you get but your MPGs go down. Opposite of both when you have high psi.

Sikk50 Enthusiast

Sikk50

Posted
Posted

My last tank was 100% in town, mostly under 4 mile trips. 10 min warm ups be its cold out. I'm yielding 13.5mpg. I would say you're about on par.

Justin Nachazel Enthusiast

Justin Nachazel

Posted
Posted

Im getting 21mpg on avg when I freeway drive and around 17mpg in town.

SMJ24 Enthusiast

SMJ24

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Tires are at 35 according to the tpms. I also do a lot of short trips, I live 3 miles from work and have a company truck that I drive all day. No extended warm up in am because it lives inside garage and only remote start if it's really cold so just a few times so far.

I'm definitely not complaining and I love the truck so far, just curious because of all the comments about how good they are on gas mileage.

SMJ24 Enthusiast

SMJ24

Posted
  • Author
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Im getting 21mpg on avg when I freeway drive and around 17mpg in town.

Any performance mods or stock?

SMJ24 Enthusiast

SMJ24

Posted
  • Author
Posted

35 is actually low for a full size truck. I had factory Goodyear SRAs on my '14 5.3 and always kept it above 40, usually was between 40 and 45.

Hmmm....I'll have to look into this, I haven't actually checked with a gauge since bringing home from dealership.

Justin Nachazel Enthusiast

Justin Nachazel

Posted
Posted
SMJ24, on 20 Dec 2016 - 4:58 PM, said:

Any performance mods or stock?

 

 

I have a Tungsten 2015 Chevy Silverado LTZ 4x4 with 4.5" Zone Suspension Lift, Amp Research Powersteps, Magnaflow 14", RetraxOne, and window tint. No Performance mods past that in fact I even took off the Valence. These trucks will do 17-20 mpg easily with just a little attention to the mpg meter and practice. When there are a lot of hills or when Im going up hill ill do it all manually, when I drive on straight aways or freeways then I use the cruise control. Just set a goal for what you want your average to be realistically, then try to keep the bar above it :)

Needatruck Enthusiast

Needatruck

Posted
Posted

 

 

I have a

Tungsten 2015 Chevy Silverado LTZ 4x4 with 4.5" Zone Suspension Lift, Amp Research Powersteps, Magnaflow 14", RetraxOne, and window tint. No Performance mods past that in fact I even took off the Valence. These trucks will do 17-20 mpg easily with just a little attention to the mpg meter and practice. When there are a lot of hills or when Im going up hill ill do it all manually, when I drive on straight aways or freeways then I use the cruise control. Just set a goal for what you want your average to be realistically, then try to keep the bar above it :)

Do you have 35's? And is it 6.2 or 5.3?? Thanks

slee3247 Enthusiast

slee3247

Posted
Posted

16 rcsb 5.3 with 3.42 gears. Drive 75% highway 25% city. Averaging 16.5 calculated mpg. Definitely not as advertised. But, still better than a ford or dodge :driving:

Stock 20" black 5 spoke blackout wheels with 275/55r20 RSAs

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