Late to the party. On the diesel gas debate, many of us just don’t want the fuss. Yea diesel maybe the best in every category, but if it means more money, more problems, more restrictions, I’d rather have a gas every time. The simplicity of these gas trucks are amazing and they are good trucks. If you need to get on KZfaq and argue about your diesel truck to justify your purchase to guys who own gas trucks to compensate for your small package in your pants, you need to reevaluate yourself. They’re all good trucks.

The other problem with diesels, is cold starting in northern climates. Places that do see -40 or colder in the winter. Without plugging them in they dont start well, sometimes they still struggle being plugged in, if you have summer fuel in the tank it will gel up. My uncle is a die hard diesel guy, i asked him if he would recommend the diesel over the gas to me, being that i care far more about reliability over power, he told me to get a 6.0 2500hd (this was before the 6.6 L8T came out). Diesels are great, and they have their place, but they are not the blanket answer across the board for everyone.

This was buy far the best comparisons video series I've seen on gas HD .Thanks ⛽️

Much appreciated for the effort. Like you said there is many of us that don’t need the complete beef of a diesel. ✌️😎👍

Very realistic breakdown. There’s so many factors that could be argued. I’ve had a wide variety of heavy duty diesels and gassers (Chevy, Ram, Ford) your preaching truth instead of opinion. Both great trucks in the end and will get it done but very informative 👍🏽

Thank you for this series and it could not have come out at a better time. I am almost out of warranty on my diesel and ordered a F350 in October with the 7.3 gas. Build tracking shows it “in production” since April 24th with no update on a build date and Dealer says it’s basically on hold. So after watching this I think I will go check out the GMC with the gasser in it. Hell if they are that close in performance and cheaper might have to go that route. Looking forward to the Ike runs, great content man thanks again.

Very good, non biased content in your videos and you're doing a fantastic job. Nice to see more real world videos as not everyone runs a max load at WOT to 11,500 ft elevation. You break down the pro's and con's of each very clearly and without bashing. I've really enjoyed the videos and became a subscriber to your channel as a result. Thanks for putting this content out there and keep up the great work!

Great Video! Thank you for taking the time to compare the two trucks. At the end of the day, they both get the job done. Looking forward to your upcoming videos! MY 2500HD hasn't come in yet but maybe next week. Have a great weekend.

Great stuff! Awesome real world test and series.

Great head to head comparison. Thanks for taking the time and making the effort. I think that you helped me make my decision. Looking forward to seeing the Ike comparison for entertainment purposes but really not applicable for my Texas driving.

You give so much great info. Thank you

Great summary and presentation of your experience with these trucks. I'm leaning toward the Ford just because I like that 7.3L engine... But you've got me thinking!

Great reviews of both trucks. I’m going this week to look at a 2024 for towing a travel trailer. Awesome information

These videos are well thought out and put together. Had been helping me choose between gas and diesel. Still leaning towards diesel but will continue watching these videos to help me choose .

Great video! Very thorough and fair.

Great series of videos. Thank you for sharing your thoughts and experiences with the towing. I have been trying to decide between the two trucks and this series has helped tremendously.

Excellent Videos!! I ordered a Chevy 3500 with the diesel back in February. After about a month I changed my order to the 6.6L gas. After watching your videos I feel I made the right choice. My 3500 gas will arrive next month. Thanks for the great videos.

Great review, I enjoyed watching. I was a little surprised that the Chevy did as well as it did. The 10 speed Allison designed transmission is a game changer, and GM stepped up big with towing and payload capacity several years ago. I've known the L8T is a great engine, but it's shocking how much having a quality 10 speed transmission changes things. But it makes sense. More gears and a solid build is just what the doc ordered from a Allison design. I really wanted GM to one up Ford in the displacement department. I wanted them to come out with a modernized LSX 454 with direct injection on the LT block. But that would be too radical I guess. I think that LSX 454 crate engine put out around 700 hp and was 7.4L in a small block!

Appreciate the work you did to put these videos together. Great stuff, and appreciate your thoughts and opinions and your results. I was surprised the allure of the monster 7.3 didn't sway your decision, and being a Chevy guy I'm pretty happy about it. Definitely glad though that there's multiple gasser options out there to tow non-CDL level loads these days. Great stuff and looking forward to your future content!

Awesome content!! Thank you brother!

2 weeks ago bought a new 2024 2500 HD LT 6.6L gasser. The new Allison is great, watched the whole video and you really made me feel good about my purchase decision. Thanks for the unbiased opinions and hard work.

Great video! I'll be making a purchase this year of a gasser and this helped tremendously with my decision making process. I've heard the 6.6 has issues with oil consumption so please keep us posted as to what you are experiencing regarding that issue.

You by far have one of the best channels on HD trucks. You’re extremely thorough and knowledgeable. No one can compete.

You are doing great work

You did a great job with this comparison.👍

I just got the LT 6.6L Gas Z71 in the same color about 2 weeks ago. So far I'm loving it!

Great review! I have been dragging trailers all over the country since 1976. I have and do own several HD pickup’s. Today’s gas trucks have way more capability than the diesels we were using just a few years ago! Truth is, 95% of people who have diesel trucks don’t need them, they just want them, and that is okay. Everything you are saying is dead on.

CONGRATULATIONS sir; Very complete analysis and tests on trucks. But his comments are much more accurate and I don't understand everything because of my limited English. I send you greetings, a HUG and best wishes from CDMX, Mexico.

Transmission temps on my 2023 7.3 F350 is the only thing that scratches my head. Going up a 7% grade I peeked at around 220 that was pulling a pretty small 3500lbs load though I did have close to 1 ton of payload in the truck.

Really good stuff...

great piece ! love the comparison and honest assessment. i have ordered a denali with l5p. i do keep my vehicles until the wheels fall off. current f250SD w7.3 has 380k. i simply believe the potential resale of a diesel will be greater and any mileage above 200k. if you keep fuel records for each truck, maybe show total mileage and fuel consumed over say 50k miles. makes it a true average :) keep the videos coming- i just subscribed.

Great video! You mentioned running premium fuel. The 6.6 doesn’t benefit at all with Premium fuel and actually does better with regualr since that’s what it’s tuned for. The Godzilla is recommended to run premium while towing. This creates a huge difference in price with the fuel difference

Been waiting to here your thoughts on this since starting the series. I'm sure you have already thought about this but would love to see this kind of video alter on with the new 6.8 and see how that one does. I think that is going to be a great engine for ford. Hard to knock down the Vortec, great engines and the Allison is a stout transmission.

Well, I was dead set on the 7.3. After watching im going to take a serious look at the 6.6. Thanks for the video

When I ordered my pickup, I sat with the dealer, who sells all 3 brands, compared gas engines (7.3L Ford wasn’t available at the time, 8/21), comparing packages and features, I ended up with a ‘22 Chevy LT 2500 with 6.6L gas! And I’ve been very happy with the decision. I REALLY wish the Allison 10sp would have been available, but I’m still satisfied with the 6sp. With the torque range of the L8T, having only 6 gears doesn’t hurt pulling my 33.5’ bumper-pull 12,500# toy hauler. Great review👍

Super informative video. You forgot the rear end ratio’s regarding trans shift spots etc…maybe a f-350 be a smoother ride with trailer. I like my new ‘23 f-350 6.7 HO regular cab xl

It’d be interesting to hear Ford engineering give an explanation for the high transmission temp. After this video I paid attention to my trans temp and unloaded it was steady at 209. Even though you say we weren’t able to get a feel for the grades of the roads in your video, Your test was still relatively easy on both trucks. Many people would be pounding the gas pedal up those grades and coming down harder, makes me wonder what their temps are getting to? Even though us shade tree mechanics say “heat kills”, with the amount of engineering involved in designing the trans you have to believe they were well aware of the trans temps. Your simple short drive test raised questions quick.

A buddy just bought a 2023 2500HD with 6.6 gasser and the 6-speed. Pulls a toyhauler oaded with motorcycles (not nearly as big as what you pulled). After several trips to NM and southern Colorado, he lives it. Had it built with the interior he wanted (driver/passenger power/heated seats, heated steering wheel, and manual towing mirrors, sprar-in bedliner, anolog guages). Priced out at $58k. Very similar results on MPG to your tests. He's already added side steps and mudflaps. It's not a High Country, but it IS a very nice truck for that price. Dude did his research! A similar Ford F250 with the 7.3 was over $10k more at the time to build AND a longer wait time. Seems that price difference has come down but still the Chevy is cheaper. So, why are diesel owners in Colorado getting hosed? In NM and Texas diesel is the same or cheaper than gas.

Good info, Im currently buying a 7.3L even though I want a diesel Ill never "NEED IT" and one damn DPF/EGR issue or turbo issue and your fuel MPG efficiency to dollar is completely screwed. For the guys towing a skid loader or large horse trailer the 7.3L makes sense. The 10k to 12k seems to be the sweet spot for the 7.3L

Love your videos! I didn't read through all the comments, and I apologize if I missed you mentioning this little fact. The 6.6L Gasser was made to make it's power on 87 octane. Even in the manual it says 87 octane is recommended. That is the only HD gasser like that. The Godzilla will run on 87, but it's power rating is based on 91 octane, and even in the Ford manual it says 91 Octane or higher is recommended, same for the Ram Hemi engines. Just food for thought.

Another great Video.... I just sold a perfect 2018 F350 DRW Platinum Diesel for more then I bought it for, lol. I just didnt use it like it was needed for. So I now want/need a HD Gas and trying to figure out which one to get. Appreciate this info

i appreciate your review and look forward to the rest. I do believe you are mistaken on the Allison Branded transmission being the exact same in both the 24 Gas and 6.6 Duramax. The part numbers are not the same. The Transmissions share the same name: 10L1000, but the actual part number of the Gas Transmission is: 24294430 vs. 24297785 in the Duramax LP5 trucks. So they are not the same.

Great video!!! I'm glad the 6.6 can now hang with the Godzilla. Took it a few years to do so but that's fine. I do think Ford will answer back with more hp and torque. There is still plenty left in the bag for both motors. Ford did supposedly add the ports for direct injection for use in the future. And to be fair the Ford is available with a 430 gear which would probably give it the edge. I have both and love them both. The Chevy definitely rides better and seems to have better build quality. Trying not to be biased either way.

Great video series. I’m not terribly surprised by the results and your pick for the winner because I’ve had a 6.6 Chevy gas truck now for nearly 26,000 miles. Mine of course is the 6 speed but the motor is strong. It’s making over 400 foot pounds of torque from 2000-5000 rpm. To put that into context for people that’s more than any 5.3 or 6.0 truck V8 made at their peak and is very similar to what the first generation 6.2s made at their peak. So power is not a problem. I knew the 10 speed was going to make a huge difference in towing performance because of the gear spread. Currently the 6 speed wants to be in 3rd gear for most grades and for 6% and down it will stay around 3500 rpm and accelerate and everything is fine. 7% it won’t accelerate but it will hold speed and dip a little closer to 3000 rpm. The problem is you’re pretty much all in at that point because the 6 speed doesn’t have another ratio to give to get you to 4000 rpm. 2nd gear is too short and will push the motor over 5000 rpm and max out at about 65 mph and has to upshift. So I knew with the 10 speed having two extra gear’s between the 6 speeds 2nd and 3rd gears would be a HUGE improvement. Also as far as fuel mileage goes, I had a 2020 L5P and it got basically 2 mpg better in most instances than my current 2022 L8T. So this past weekend I went racing and ended up with a 176 mile round trip and 8.2 mpg average. On that same trip my diesel got 10.4-10.7 mpg. So fuel prices last Saturday were 3.15 for regular and 4.29 for diesel. So even if I take the high average for the diesel that trip would have cost me $70.71 in diesel and it cost me $67.80 in my gas truck. So you are dead on with the cost thing. Look forward to seeing more videos, especially of Big Red.

The 6.6 gas will get better mpg once it breaks in. My 2021 gmc 2500 AT4 with 31k on just got a low on the highway of 17.5 to 20 mpg unloaded 630 miles from New England to the outer banks on a family vacation it did awesome couldn’t be happier with it got about 565 miles to the tank.

Love the content bud, definitely surprised at the outcome but I'm very interested in your opinion because I'm in the market for one of these trucks.

Very nice breakdown. I do have a question, does either engine require or suggest premium fuel for these engines to give optimal performance/timing?

Great fair review! I have to wonder if the difference in fuel economy is due to axle ratios. I have seen where the 7.3 with 4.30 gears takes a hard hit on fuel economy.

I have a 21' F350 Crew SB 4x4 6.2 10-speed 4.30. The transmission was terrible and had every issue that an auto can have ie. hard shifting, harsh engagement/disengagement, shift flare. I took it to my dealer with these complaints and they found a TSB. The truck is completely different now and I assume it's shifting like Ford intended. I had mostly GM 6.0 HD's over the 15 years but couldn't stomach a new 6.6 gas with 6-speed and 3.73's. I'm not brand loyal so I went to Ford and was starting to regret it but the TSB saved the day. My 21' has a camper package and the ride is not far off from my 2016 Sierra 2500 Z71 with no camper package. Ford does do a lot of things good but I'm not sure I'll buy another one when I'm done with this truck. I have a had a lot of quality issues that I never experienced with several GMs. We'll see.

First time since I can't remember but saw gas more expensive than diesel in N Austin @ $3.09 for regular gas & $3.03 for diesel. Still too much but its been a while

Great info!!

Excellent Video with good detailed information. Is the Ford Torque Shift 10 speed the exact same transmission between the gasser and diesel? Thanks for pointing out that the GM is. One thing to also consider is the diesels will retain most if not all of its extra cost at resale pr trade time.

Good series. I’m currently in the market. Have been looking at all the HD models. The Chevy 2500 LT Z71 definitely seems like the best bang for your buck in the industry at around 61k. Glad to see your test of the Custom kinda confirmed that. My only concern is the oil consumption. Trying to find out if Chevy has fixed that yet. Not a deal breaker, my current Chevy 1500 drinks oil. Just have to check it when I get gas.

Great stuff. Ive got the 6.6 L8T but with the 6 speed. Have you towed with that set up and if so any thoughts on how much improvement with the 10 sp Allison?

Really impressed with this video. Nice job!

I must say I was surprised when I watched the towing videos, I honestly "assumed" before your series that the ford would put the chevy to shame towing and so that goes to show how much water my "assumptions" held up, they meant squat. Real world testing like this gave real world meaningful results. As another comment was said about the differing differential ratios between the trucks, that could have some bearing on the outcome but then again there are 10 gears as we are not talking 6 or going way back to 3 gears in an auto which then rear end ratios became everything. I could see the higher gearing of the Ford having some effect in empty fuel mileage but for all I know the Ford may have a more fuel efficient engine platform.

2:17 Interesting point brother.

I just bought a 22 gasser coming from a duramax… I don’t tow much so I’ll be fine. That said, to me, if you tow big and often…get a diesel…if not drive what you like and what you can afford.

Happy with my 7.3 Tremor. The low end grunt far exceeds the Chevy 6.6 gas when driving both.

Should compare the 6.6 to the new 6.8 Ford gasser🤷🏾‍♂️

I just sold my 2012 dodge diesel dually with a 6speed manual that i got crazy money for. Now i am looking at buying another 1ton truck i own nothing but dodge diesels but been eyeing up the new chevy gas and ford 7.3l. Just because i dont want the emissions.

How do you feel about the Chevy direct injection and the potential buildup on the intake valve? Is this concern valid? Thank you.

Excellent content, seen the rest of your towing over the Ike videos. I have a 23u class c motorhome we tow a jeep with a dirt bike on back I'd like to replace with an aluminum toyhauler, probably 9k with cargo. Wish I could tow it with a half ton ford tremor, but no. A f250 or 2500 series truck would be safer. Was thinking diesel or 7.3L godzilla! For my app the diesel duramax is probably overkill and maintenance headaches could ruin a trip. Never knew about the Chevy 6.6L. Good, concise facts here, good on you! Any chance you've driven the 6.6L off road? Come in handy to rescue a dirt bike or sight see...

I was a ford fan boy until I got my 22 custom.

Not hating on anyone that needs or wants a diesel, but my use definitely can be satisfied with gasoline. Just watch out buying a diesel for "want" rather than "need" - It's really hard to predict the future, especially where emissions equipment and enforcement is concerned.

Diesel is 10 cents a gallon cheaper than regular where I live, that makes things pretty significantly skewed towards the diesel. That being said, I don’t care. I’d rather tow at 1500-2000 rpm than 3000-5000, and have less shifting.

I don’t know how long you will keep the Chevrolet but I would be very interested in the oil usage. I’m planning to upgrade from my 2003 F150 next year. I am seriously considering a GMC with the 6.6 gas but I have read some disturbing stories about oil consumption. I’d love to hear your first hand account.

What mpg are you getting with the Chevy unloaded? Example: Cruising the interstate 70-75 mph what Mpg would one expect to see?

I’m really sick of people calculating out the mileage to pay off the cost of the diesel engine option. If you’re going to do that, you need to do the exact same for EVERY OTHER OPTION! How many miles is it going to take to pay off the upgrade stereo or LTZ trim or the sun roof? Just like the LTZ will be worth more at resale, so will the diesel…..because they cost more upfront.

The GM does not have a 10 speed Allison. Allison did not design it or build it. It's Allison approved that's it. The trans is actually very similar to the Ford 10 speed. Plenty of videos showing this.

Thanks for Your feedback objectivity Man! I thought the Ford would do a lot better than the Chevy. In all categories.

Which truck in your opinion would you say has a more comfortable ride unloaded?

I've had gas & diesel of all 3, to a point can sorta understand the whole diesel thing ,,, the diesels had were real pos, mpg was same as comparable gas truck

You had the Chevy set at 65 why didn’t you have the Ford at 65 it was 62 if you was doing a apples to apples comparison

If I remember, wasn’t the Chevy a 3:73 geared truck, while the Ford was 3:55? That would affect both the deceleration and the transmission hunting for gears.

The big thing for a diesel for me is the exhaust brake. Pulling super heavy down windy steep grades there is no comparison. I have over temped brakes pulling at max weight down slow windy grades. It is not a fun time.

The 6.6 gets better mpg after 10k of driving at least mine did..

Ride quality has a lot to do with a solid front axel in the Ford vs independent front suspension in the Chevrolet and this debate has been discussed ad nauseum.

Thank you for stating the Allison branded is the same transmission as an Allison.

Wonder how my 23 f250 xlt tremor 7.3 would do on that test

Dont forget the exta cost of replacing the 68rfe transmission for the cummins guys .....

Does chevy have higher gear ratio in rear end for better gas mileage than ford

General Motors is utterly stupid for not bringing back the Gen VII Vortec big block. My 8.1 Vortec is killer. And full of potential.

Allison does not make this current model 10sp . GMC is paying them to put the Allison name on this transmission. Allison tested the tranny but they didn't develop it .

I hear better resale value all the time, tired of hearing that, they pay more they get more, not sure that means better resale value.

Ford rear springs are always weaker

The ford probably has 430 gear ratio and gm forvsure has 373

I drove both and the Chevy isn’t in the same ballpark as the Ford in power!!

The ford 10R80 and “Allison 10 speed” were jointly developed by ford and Gm. There are some differences but they are about 90% similar. GM is paying royalties to Allison to use their nameplate on the transmission, it wasn’t designed or manufactured by Allison. With that being said I still think they are great transmissions.

I am sorry about your dad and the other Chanel giving you problems. I have a 2023 2500hd wt dabble cab long bed to tow a 9000 lb fifth wheel I call it my 666 6.6 6 sp please trademark that

Easy on the rapper hand gestures bruh. I feel like yer about to give us a knife hand. Lol. Good luck with the test. TFL sucks.

Think everyone needs to remember the 7.3 ford is grossly held back by ford. Doubt you would run 615 hp and 600 lbs of torque on chevy with cam and a tune like the ford.

Chevy has improves but they still will be minutes behind on the ike climb. The godzilla torque curve is like a diesel making it far superior. They call it the diesel killer for a reason. It will out run an early 2000s stock diesel

Diesel resales for more. You get your 10k back when you sell and meanwhile you got better mpg. Don’t need to drive for 10 years. Either way, the chevy smoothness and Cadillac drive is what stands our. Still can’t get over that fake 6.6 gas hood scoop though. Ford is better in the tech department, though that’s not something I care about in a truck. Super duty is more clunky, raw, and truck like.