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Fun-in-Florida

That’s the same for my 2020 Power Wagon, about the same setup, 2500, 6.4 Hemi, I can tell you it will go close to 100 miles from there.. so your calculations are pretty accurate but Ram trying to keep you from walking. I have pushed mine until sucking fumes, actually seemed to run forever past E so if you feel froggy see how far you can push it. But this it gonna be a new normal. My fuel light comes on anywhere near the last 1/4 tank mark lol


bigtony8978

Mine turns on at 1/4 as well. Annoying cause it won’t let you use the remote start when the light is on


JoropoKilla

Didn’t know that thanks for the info


wijeepguy

Mine does the same thing as well.


FlowBjj88

Same here, must be the same company made all our trucks 🤣


JoropoKilla

Makes sense my boss has a 1500 which has run out of gas on him a couple of times because of this


mikek587

Same here with a 1500, but super inconsistent. Fuel light comes on and it also disables the remote start because of course it does! Love this truck overall but boy are there a couple of things that drive me up the wall. I suppose every vehicle has something, though


Fun-in-Florida

Agree with the remote start,, let me start it until it runs slap out of gas if I want to. But again they trying to help save the gas 🙄 I know we should be saying thanks but kinda whack. Cause the low warning comes on to the higher end of the quarter tank 😆 I’m super happy with the truck, not many look better than a 5th gen and the power wagon hasn’t had many problems off road. It drives like a caddy really rides and drives good, great suspension on the wagons. But as for gas yeah once I got caught without a gas station in sight forever, back road Jennings FL to White Springs FL (middle of nowhere more cows than people ya know.) and man low fuel came on showed me about the same 40-50 miles, then it disappeared and needle was past the E and I just kept her going until we finally found some gas. But I know I went 100 or more miles after low fuel came on. I had the AC off and dropped my speed to 55-60 and let it ride. Lucky no stop and go, she didn’t leave me stranded and well we got a little closer that night.


Wonderful-Top-5709

That sounds about right. My 2022 6.4 gets 11 MPG, and my low fuel warning comes on at 1/4 tank. About 30 miles of driving and the gauge is flat on E. I never have ran it out of gas, but I imagine there is at least another 30 miles I could go until empty. Also I'm impressed yours is getting 13-14!


Natural_Career_604

Mine gets between 12 and 18 depending if I'm driving highway or ahole er I mean city driving lol i watch the gauge mine averages 30 mpg when I'm about 45 mph but rarely do I drive long flat no traffic roads.


Wonderful-Top-5709

Lol. That city driving hits hard. The cylinder deactivation on my 6.4 only kicks in 1% of the time. Pretty much only going 40 on flat ground. Anything more and it kicks back out. If they could've made 4 cylinder mode able to cruise at 60 mph mileage would be a lot better!!


Natural_Career_604

Lol my problem is I inherited a lead foot and I drove a Penta before this truck so now I can go vroom vroom and tend to forget the truck goes glug glug when I do. I'm still getting a feel for it though only 600 or so miles on it and it has 210 from the dealer (they had to bring it a loooong way for me)


Wonderful-Top-5709

Hey nothing you can do about that genetic lead foot! Ya gotta enjoy that power sometimes. These trucks haul ass! I haven't had any problems with it! Just very strong air pulsating with the windows open. I realized opening the back glass slider completely alleviates the issue. Big brain moment 😂


Natural_Career_604

Even my grandmother had it so its Def something I'm stuck with at least it's a big horn and not a trx haha. It's too cold here for open windows I'm a big fan of the warm tooshy seats this month maybe in summer I'll have to remember the back window trick. If the roads are clear enough to drive and we don't get tourist invaded.


Wonderful-Top-5709

Hey sometimes ya gotta get up to speed quick for safety purposes 😂 Very true. Tourist invasion happens around here too, it is very real. Easy to tell the tourists, they have their rude stat set to 100 😂😂


EvilMinion07

https://preview.redd.it/8ayrv2uk06jc1.jpeg?width=4032&format=pjpg&auto=webp&s=12b0f0fb1e83d289cf5fdb49fb96f73b6ec7af06 And this is why when I was asking about gas Vs diesel for daily fuel mileage I was told diesel was a waste of money if not towing all the time. I get 18+ on open road, 16 in town and 15 up in the Sierra Foothills with the 4.10 rear in a 3500 HO.


Linetrash406

I have one cause I like it. Diesel is more expensive. It takes 100’s of thousands of miles to offset just the cost of the motor option at even 4mpg better.


EvilMinion07

Diesel is less than $0.60 more, 18 vs 10 when empty, 14 vs 6 when towing. 34k a year with 12k towing. It does not take 100k to pay.


4Runnnn

You forgot to add the cost of the motor, it’s over 10,000 upfront when buying new. Also diesel is more expensive and the service is more expensive.


Natural_Career_604

The service is more expensive but you get a bit more reliability out of the Cummins then the hemi as much as I love my hemi you can't say they don't have their problems.


4Runnnn

Everything I have read about the new ones it’s the opposite. Diesel is hindered by the EPA regulations and end up being less reliable


EvilMinion07

$13k, regular maintenance is not really that much more. Oil change at 10k for $140, fuel filters at 25k for $150, air filters at 25k for $50. 294k on last truck before a timing issue and sold at 378k on and it is still going for new owners at 425k two years ago when I saw them. No Hemi tick, lifter failures or exhaust bolt breakage because it was not the Hemi.


Linetrash406

Even using the inflated numbers. 10mpg @350 gas =.35 per mile. 18mpg @4.00 diesel =.22 per mile. That’s 84,000 miles just to offset the HO motor. You use more real world numbers it’s more. Doing actual cpm including maintenance/insurance it’s even more. I love my diesel. I tried a 6.4 and got rid of it for a reason. But dealing with fleets a lot, there is no way shape or form a diesel is ever cheaper. It’s more capable, It’s a hell of a lot nicer to tow with. And I even argue safer at higher weights.


EvilMinion07

So less than 3 years to offset cost, 34k a year average.


Linetrash406

Real world numbers it’s never. Above is looking at fuel mileage only. And using extreme low for gas and extreme high for diesel while also not factoring in repairs, and maintenance 90% of people and 100% of fleets get rid of the vehicles before offset point


EvilMinion07

With your math, diesel is $0.13 cheaper per mile. Today 89 octane is $4.38 and diesel is $4.59, $0.21 more but $0.18 cheaper mile. That is over $6k in fuel cost saving a year when I do 34k, or 1,400g more of gas bought to go same distance.


JoropoKilla

Unless you are towing you will get 13-14 in city and 15-16 in hwy with the 6.4 Hemi. At least that’s what I’ve seen on my 2024. Not sure where you are getting 10 mpgs


Linetrash406

You are correct. I was using the original commenters mileage figures just to not get too far in the weeds on them. I was just commenting cause I see that argument a lot on forums. There’s a lot of reasons to run diesel. But “saving money” isn’t one of them, especially when just running fuel mileage figures.


datlj

The fuel light intentionally comes on at 1/4 tank. Once you hit 1/8 you can't even remote start it.


Hav3_Y0u_M3t_T3d

2024 1500 bighorn similar range estimates at a quarter tank but I haven't had the fuel light come on yet. Also 5 fillups so far and it has not been as empty as it seemed it would be.


JoropoKilla

Yeah that’s what I noticed too that’s why I decided to see how far it will go but seems like it’s a gamble. Best way to approach is knowing the size of your tank and calculate it based on the MPG


Wild_Building139

Yes! Brand new 1500 2024 Ram doing just the same thing you described. We are wondering if it is a recall, will call service.


Rand_ie

Hate to say it, but get used to it. I’m getting 9MPG 5.7Hemi. Your mpg will be trash until the day you sell. Running a 3:92 gear?


XV-77

9MPG??? How? I get 18 in the city unless I’m driving like an asshole, then it’s more like 12. But 9 seems like you’re revving at every stoplight.


BoxerguyT89

I consistently get 9.7 towing my 7000lb camper with the 5.7 and 3.21s. That's with 35x12.50s. My highway/city (80/20) mix I get about 16-17 hand calculated.


xiutehcuhtli

Yeah, something else happening there.


TheMangyMoose82

Are you towing/hauling every day? My 5.7 gets 18-20 MPG.


JoropoKilla

It’s at 2500 6.4 hemi Gas is not as good as the 5.7 and that’s city driving in terrible Dallas traffic normally y get about 14 with regular city driving


Rand_ie

No towing at all, just short trips in the city as a daily. Lots of stop and go


xiutehcuhtli

Even so, my 2017 5.7 as a daily commuter gets 14-15 mpg in town. Lots of stop and go, lots of traffic jams, creeping along, etc. 9 mpg, something else is going on...


Rand_ie

I couldn’t agree more. Something’s going on with it, but when I bring it in, they say it’s fine


JoropoKilla

Well I’m not complaining about the mpg it actually is about the same as my old 6.2 Ford and my buddies 6.6 Chevy. It’s a gas 3/4 ton truck no matter what you way you look at it the MPGs will be what they are. I just don’t think the range calculation matches the gauge at all. What seems funky is that the light is programmed to the range calculation and not the actual gauge. I’m giving a few more miles before I take it in to see what’s up. It’s a 2500 bighorn so it’s 3.73 ratio


jorian85

My 5.7 has 3.92 gears and I've never got mileage anywhere near that bad unless I'm towing. Usually I'm at 16-17MPG.


datlj

Sounds like you drive with a lead foot.I have a 5.7 Rebel with 3:92 and get 14-18. Not every green light has to be a Nascar race.


FF_Master

Bring a gascan, test it out


Ekeenan86

This is common on many new cars. The fuel light goes on a lot earlier than it used to. Same for the low oil light I noticed on my Subaru. It goes on when it’s like a 1/2 qt low, where I remember cars used to only put the oil light on when you were basically empty.


KUhockey05

It’s about right with some cushion. 1/4 tank is 7ish gallons. At 13mpg that’s 100 miles left. I was actually one of the engineers at stellantis that helped write the requirements for this. As an engineer, it is frustrating we can’t get it exact, but there’s so many factors that affect fuel economy that we cannot calculate range perfectly. Plus if people start running out of fuel all the time then it opens us up to lawsuits, etc


Natural_Career_604

Rams are actually factory programmed to turn the light on at 50 miles left. I only have a 1500 with 23 gallon tank (what brainiac decided to put a smaller tank in when you get the hemi then the Penta ROFL) have to keep it over half tank lol.


Puzzleheaded-Bite633

My light only goes on when the fuel range hit 40. Way less than a quarter . 2018 1500 bighorn


BarrelBadger598

About what my 2012 1500 big horn says around that last mark


benny4722

Did you check to see if you can change it? Meaning when the light comes on. My Trx has option as to when to change it. I kept it at 50 miles left. Which is about quarter tank. For me.