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re: Are the small diesel engines in pickups any good ?

Posted on 9/4/25 at 10:39 pm to
Posted by GREENHEAD22
Member since Nov 2009
20477 posts
Posted on 9/4/25 at 10:39 pm to
You can buy used.


As for new there is just the 5.0.
Posted by mbuff
louisiana
Member since Aug 2023
22 posts
Posted on 9/4/25 at 10:40 pm to
Chevy 3.0 trailboss owner here.. 22,000 miles on odometer. No issues with truck or engine. It loves the open highway. It does very well in the mountains.
Posted by 3deadtrolls
lafayette
Member since Jan 2014
6648 posts
Posted on 9/4/25 at 11:53 pm to
quote:

I'd avoid hemis just because stellantis deserves to go out of business for not redesigning that engine yet


It just works. Some of them crack manifolds but that’s not a catastrophic failure. It’s about as reliable as the other options out there. I used to say extended warranty wasn’t worth it, but I wouldn’t buy any of these new trucks without one.
Posted by AUTimbo
Member since Sep 2011
3221 posts
Posted on 9/5/25 at 5:39 am to
My High Country has the 3.0 and I absolutely love it.
Tow a BassCat Eyra/Merc250 combo that is in the 4,500-5,000 lb range
Get’s 18-19.5 average towing, 28-29.5 on the highway without running 72-75 mph.
How anyone can complain about this engine I don’t have a clue.


With that said I would imagine one would want the bigger diesel in a 2500 series if regularly towing north of 7,000 lbs


Just my dos centavos
Posted by baldona
Florida
Member since Feb 2016
23258 posts
Posted on 9/5/25 at 8:35 am to
quote:

Get’s 18-19.5 average towing, 28-29.5 on the highway without running 72-75 mph.


That’s really good, but let’s be honest what about going 78-80mph on the interstate like the average?

I’m getting 14+ with my 5.0 ford with regular gas prices which are 20-30% less usually if not more, so that would be worth around 18 mpg at diesels prices.

Again I’m not hating at all, I’d love to justify the diesel for my needs but I just can’t financially.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70785 posts
Posted on 9/5/25 at 9:08 am to
quote:

I’d love to justify the diesel for my needs but I just can’t financially.


There are very few use cases where a diesel pays off, and those use cases usually require few or zero repairs accounted for. It still applies to the half ton trucks because of fuel cost delta.

Barring catastrophic engine or transmission failure I'll come out ahead with mine around 180k miles, and thats frequent towing and me doing 100% of my own repair work, diesel at average of $3.50 over that time span and gas at $2.50 average with a gas truck that averages 15mpg empty and 9mpg towing. At least that was my math in 2020 and still roughly on track for that.
Posted by Jack Daniel
Gold member
Member since Feb 2013
28329 posts
Posted on 9/5/25 at 9:16 am to
quote:

Chevy 3.0 trailboss owner here.. l It loves the open highway


What modern truck doesn’t?
Posted by baldona
Florida
Member since Feb 2016
23258 posts
Posted on 9/5/25 at 11:15 am to
quote:


There are very few use cases where a diesel pays off, and those use cases usually require few or zero repairs accounted for. It still applies to the half ton trucks because of fuel cost delta.


I was thinking maybe they would be feasible for the guy that's trying to decide between the 250/2500 gasser and light diesel that pulls something like a landscaping trailer around all day?
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70785 posts
Posted on 9/5/25 at 12:34 pm to
They dont really fill any need the way they are built right now.

If they had made the engines smaller, lowered the ridiculous tow ratings, and dropped the premium trim only premium option shite, they'd be viable. Making it available in lower trims and upping the fuel economy is what's needed - something for a guy who wants a half ton truck to occasionally tow stuff but mostly just commutes. The gassers need to be the only half tons rated for the stupid tow weights.

BUT, since everyone thinks diesel = tow heavy shite, it has to be sold and marketed like it is and the result is something that costs too much, offers little improvement by any real metric over a gasser, and will likely flop like all others that have preceeded it. See: eco diesel, 5 liter Cummins, baby powerstroke. The baby duramax will have more staying power than those, but from a pure practicality standpoint I dont see any reason to buy one
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70785 posts
Posted on 9/5/25 at 12:42 pm to
quote:

Please tell me again who currently makes a dependable, reliable gas engine available for purchase…


Nobody does! They're all exploding pieces of shite!



I know of an example of several 5.3's and ecoboost over 200k trouble free miles. A few 5.0 Fords, a few hemis (by far the worst I know of right now), some 6.6 chevrolets are getting there. Few fleets use Toyota so I dont have any anecdotal data on their truck engines but I certainly wouldn't hesitate to drive one.

Quit reading the internet and just get what you like. The failure rate is going to be sub 1% of the take rate OR it will be recalled.
Posted by Crappieman
Member since Apr 2025
1578 posts
Posted on 9/5/25 at 2:04 pm to
Buy a 2024 Nissan Titan with the 5.6.
Posted by baldona
Florida
Member since Feb 2016
23258 posts
Posted on 9/5/25 at 6:37 pm to
quote:

If they had made the engines smaller, lowered the ridiculous tow ratings, and dropped the premium trim only premium option shite, they'd be viable. Making it available in lower trims and upping the fuel economy is what's needed - something for a guy who wants a half ton truck to occasionally tow stuff but mostly just commutes. The gassers need to be the only half tons rated for the stupid tow weights.


I’m here with you, except again diesel is 33% more so it doesn’t make sense for this financially at that point no matter whay
Posted by Clames
Member since Oct 2010
18746 posts
Posted on 9/5/25 at 7:59 pm to
quote:

I was thinking maybe they would be feasible for the guy that's trying to decide between the 250/2500 gasser and light diesel that pulls something like a landscaping trailer around all day?


Kind of screwed in that niche right now. F-250 with the 7.3L gasser is probably the best option. GM's really screwed the pooch with no lube on their gas V8's. Diesels, of any kind, are a complete crap shoot unless you are absolutely methodical about maintenance and run upgraded oil and fuel filtration. The 6.4L Hemi is a bit long in the tooth now but not a complete boat anchor in a 2500 Ram. Anything else you are going back 3+ generations for a solid gas 3/4-ton.
Posted by jpainter6174
Boss city
Member since Feb 2014
6228 posts
Posted on 9/5/25 at 8:02 pm to
This is the only down fall I have heard about.
Posted by Recovered
Member since May 2016
701 posts
Posted on 9/5/25 at 8:16 pm to
Where is gas 2 bucks a gallon? I paid 3.05 for diesel today..people just make stuff up
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
70785 posts
Posted on 9/5/25 at 10:24 pm to
quote:

GM's really screwed the pooch with no lube on their gas V8's


Whats the details on this?
Posted by Clames
Member since Oct 2010
18746 posts
Posted on 9/5/25 at 11:23 pm to
The 6.2L V8 recall covers 5 years from 2019, faulty rotating assemblies. Engines failing at very low miles, GM suggested going to 0W-40 oil as a stop gap but that's like having to run -30 or -40 in a 3V Triton to keep the cam phasers happy. 5.3's have had various issues ever since they started using AFM but that's another can of worms. The whole new truck market is kind of a shitshow for engines and transmissions right now...not a lot of truly outstanding choices if you just want a truck to work and do so for a good while.
Posted by TurkeyThug
Member since Jan 2019
309 posts
Posted on 9/6/25 at 7:22 am to
2025 baby max trailboss
Interstate speeds 75/80 about 23-25 mpg
Normal driving 55/65 27-29
20K miles so far. Lots of high way driving.
Posted by Recovered
Member since May 2016
701 posts
Posted on 9/6/25 at 7:34 am to
The problem with most engine issues is that people rely on Reddit, TD, facebook, they know somebody rather than actually finding the numbers, Quick search by grok. Roughly 600k 6.2 effected according to the NHTSA .0044% have reported defects. 40 cases filed against GM. But my buddy Dow at the Chevy dealer is fixing 10 a week
.
Posted by Turnblad85
Member since Sep 2022
4182 posts
Posted on 9/6/25 at 11:34 am to
quote:

not a lot of truly outstanding choices if you just want a truck to work and do so for a good while.



I think this is where there is a disconnect between truck discussions. Some just want to put 100-200k commuting miles in 5-7 years and for that, many of the options currently available will do that.

If wanting a truck that will still be on the road without major repairs in 15 years and 200k is a different matter. Trucks made in the late 90's early 00's would do that no problem with decent maintenance.
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