2021 2500 BH 6.4/3.73: she's home

<div class="bbWrapper">Congrats! Most 2500 owners aren&#039;t concerned with MPG. However, a few of us are interested. Our trucks will never obtain high MPG as they were built for power and work. Around town, I get 13.5 to 15mpg. My highway is 17-19.2mpg. Towing is 8.5-10.5mpg depending upon terrain, wind, and speed.</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 1219" data-quote="Sarge33Army" data-source="post: 108082" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/forum/goto/post?id=108082" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-108082">Sarge33Army said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Congrats! Most 2500 owners aren&#039;t concerned with MPG. However, a few of us are interested. Our trucks will never obtain high MPG as they were built for power and work. Around town, I get 13.5 to 15mpg. My highway is 17-19.2mpg. Towing is 8.5-10.5mpg depending upon terrain, wind, and speed. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>Sure mpg is important, especially if you tow long distances (200+ miles) and your truck has a smaller fuel tank. Our magic number is 250 miles to our campsite that we tow to 3-4 times a year. I would rather make that trip without having to navigate a fuel island if possible. <br /> <br /> 300 of 500 miles of break-in are done, anxious to she how she does pulling our TT.</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 1739" data-quote="raven_dt" data-source="post: 108084" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/forum/goto/post?id=108084" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-108084">raven_dt said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Sure mpg is important, especially if you tow long distances (200+ miles) and your truck has a smaller fuel tank. Our magic number is 250 miles to our campsite that we tow to 3-4 times a year. I would rather make that trip without having to navigate a fuel island if possible.<br /> <br /> 300 of 500 miles of break-in are done, anxious to she how she does pulling our TT. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>May want to look into the larger aftermarket tanks. I may get one just to avoid the pumps</div>
 
<div class="bbWrapper">Yeah, I&#039;ve heard they take anywhere from 7500 up to 20k miles to break in completely but never sure whose number to go by. I know on gas engines they usually say 500 miles but opinions vary there as well. 14.8 sounds decent for a brand new truck.</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 1219" data-quote="Sarge33Army" data-source="post: 108082" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/forum/goto/post?id=108082" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-108082">Sarge33Army said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Congrats! Most 2500 owners aren&#039;t concerned with MPG. However, a few of us are interested. Our trucks will never obtain high MPG as they were built for power and work. Around town, I get 13.5 to 15mpg. My highway is 17-19.2mpg. Towing is 8.5-10.5mpg depending upon terrain, wind, and speed. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>You get that kind of mileage with a 6.4? That sounds better than what some of the 1500s get! That&#039;s great.</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 11619" data-quote="dm6" data-source="post: 108181" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/forum/goto/post?id=108181" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-108181">dm6 said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> You get that kind of mileage with a 6.4? That sounds better than what some of the 1500s get! That&#039;s great. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>I would be happy with those numbers.</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 1739" data-quote="raven_dt" data-source="post: 108144" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/forum/goto/post?id=108144" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-108144">raven_dt said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> 14.8 hand calc...New engine, really too soon to benchmark mpg </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>Thats about what I saw on my first tank. It jumped about 1 MPG on the next tank, and another on the next. Averaged 16.5 on the last tank on my ride home from picking it up. Averaged 75-80 the whole way. I think I averaged 71MPH for 1200 miles, that included time for 2 fuel stops, one for lunch and a conference call as well.</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 4151" data-quote="mwalsh9152" data-source="post: 108194" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/forum/goto/post?id=108194" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-108194">mwalsh9152 said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> Thats about what I saw on my first tank. It jumped about 1 MPG on the next tank, and another on the next. Averaged 16.5 on the last tank on my ride home from picking it up. Averaged 75-80 the whole way. I think I averaged 71MPH for 1200 miles, that included time for 2 fuel stops, one for lunch and a conference call as well. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>I&#039;m hopeful then. All I have to go by is a 600 mile round trip with half of it being mountains and getting 13. Mine has 4.10s so expect it to be 10% less mpg but if gets up to 15, I would be happy.</div>
 
<div class="bbWrapper"><blockquote data-attributes="member: 11619" data-quote="dm6" data-source="post: 108201" class="bbCodeBlock bbCodeBlock--expandable bbCodeBlock--quote js-expandWatch"> <div class="bbCodeBlock-title"> <a href="/forum/goto/post?id=108201" class="bbCodeBlock-sourceJump" rel="nofollow" data-xf-click="attribution" data-content-selector="#post-108201">dm6 said:</a> </div> <div class="bbCodeBlock-content"> <div class="bbCodeBlock-expandContent js-expandContent "> I&#039;m hopeful then. All I have to go by is a 600 mile round trip with half of it being mountains and getting 13. Mine has 4.10s so expect it to be 10% less mpg but if gets up to 15, I would be happy. </div> <div class="bbCodeBlock-expandLink js-expandLink"><a role="button" tabindex="0">Click to expand...</a></div> </div> </blockquote>I have 4:10&#039;s as well. My route home from picking the truck up was Rt81, which is far from a flat road. I havent checked my fuel economy since, as it is always mixed driving. Around town, and lots of traffic both ways to work.</div>
 
<div class="bbWrapper">Also, not sure how much of an impact 87 v 89 has on the 6.4 mpg. Dealer probably filled up with 87. If I ran 91 in the 7.3 I would see about a 1-1.5 mpg improvement, not enough for me to run except when towing.</div>
 
<div class="bbWrapper">Well, the other car that we have that gets all of the use averages about 25 mpg combined. I guess when I replace that in a couple of years, I&#039;ll just get a car that gets about 40 to make up the difference for the truck. Easy solution!</div>
 
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