Which truck has the most reliable engine after 2012?

Looking for opinions on which gas or diesel engine is the most reliable and best for towing after 2012. I know Cummins has a strong reputation, but what’s the point if the transmission or suspension needs replacing before 100k miles?

In general, what’s the most reliable post-2012 truck? Appreciate any insight!

Honestly, flip a coin. They’re all solid, but they all have their weak spots too. Some trucks will last a million miles, some won’t make it to 150k.

Anyone who says one brand is miles ahead of the others is just biased.

@Merrick
Yeah, I’ve seen plenty of the newer diesel trucks go hundreds of thousands of miles with no major issues. But I’ve also seen some brand-new ones blow up in under a year.

If you work them hard—heavy towing, rough terrain—you’re obviously going to wear things out faster. Maintenance is everything.

@Maxwell
I’d say if an engine makes it to 50k miles with no issues, it’ll probably last a long time. If you start having little problems early on, that’s usually a bad sign.

@Merrick
I kind of disagree with this. The newer small-displacement, high-boost diesels are already showing signs of early failure. Pushing big power out of a small engine isn’t a great long-term strategy.

People love to say these newer engines can do what the older, larger ones could—but with better MPG. I think if you’re spending big money on a diesel truck, you should stick with displacement.

@Zen
I assume OP is talking about the Cummins 6.7, Powerstroke 6.7, and Duramax 6.6.

@Zen
Ain’t no replacement for displacement :joy:

Kip said:
@Zen
Ain’t no replacement for displacement :joy:

Exactly! If you want longevity, bigger is better.

@Zen
Not sure why people downvote this. I’d love to know what they drive. One of those Nissan Cummins setups? The little Duramax? The 3.0 Ford?

These new diesels don’t compare to the old 7.3 Powerstroke or 5.9 Cummins. Low-end torque and simple reliability made those engines what they were.

@Merrick
Cummins is the way to go.

Peyton said:
@Merrick
Cummins is the way to go.

Your username checks out lol.

Peyton said:
@Merrick
Cummins is the way to go.

Ever heard of an ISX? Junk.

@Merrick
That’s not really true.

Chen said:
@Merrick
That’s not really true.

Are we talking about a different ‘Big 3’ that I don’t know about?

Sage said:

Chen said:
@Merrick
That’s not really true.

Are we talking about a different ‘Big 3’ that I don’t know about?

No, but saying all three are equally reliable is just not true.

@Chen
Yeah, because the Cummins is obviously the best engine. Duh.

Sage said:
@Chen
Yeah, because the Cummins is obviously the best engine. Duh.

Now you’re getting it.

All of them are solid, but I’d rather work on a Cummins than either of the V8 diesels.

Khai said:
All of them are solid, but I’d rather work on a Cummins than either of the V8 diesels.

Yeah, way more room in the engine bay and inline-sixes are much simpler. Things like head gaskets are way easier to deal with.

Khai said:
All of them are solid, but I’d rather work on a Cummins than either of the V8 diesels.

This is exactly why I went with a Cummins. Ford makes the most comfortable interior, GM has the best ride, but I do my own work, and Cummins is by far the easiest to work on.

But let’s be real—once you start modifying these things, it becomes an expensive hobby.