Which is the more reliable engine 2.3 or 2.7?

[BroncoSarge]

The 2.7 has has more issues in the early deliveries. It’s a newer engine. Seems to be doing good now.

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[DUSTYcazOREGON]

Is one engine more reliable than the other, 2.3 or 2.7?

IMO, they are both great engines. Get the engine you need.
I have the 2.3 in my ranger. I had the 2.7 in my F150 and my Bronco has the 2.7
Both are powerful and quick. If you tow something large, get the 2.7

 

[JackTripper]

2.5 2.6, whatever it takes....

Love the Mr. Mom reference.

 

[Donkeygyrl]

2 years ago they brought 2 broncos to my local dealer,I looked under the hood of the 2.7 and was glad I ordered the 2.3 love it.

 

[mpeugeot]

What's the Julian date on the 2.7 in question?

21180 - 47k miles, next question?

 

[bravely]

The one thing I've read in a number of places is the oil pan in the 2.3 has a better design that doesn't allow the pump intake to become exposed on steep inclines, and the 2.7 has been rumored to do just that.

only from what I've read (no direct experience), the reason for the 2.7 7qt vs 6qt oil pan is to compensate for the inclines

 

[bravely]

Is one engine more reliable than the other, 2.3 or 2.7?

I like the 2.7 because it has direct and port injection. Port injection keeps the valves cleaner.

 

[da_jokker]

4 door, Sasquatched, loaded up with over landing gear..... 2.7 was the only option.

 

[LMF Bronc]

Ford service advisor here. Both great engines IMO that both have up and down sides. Downsides of the 2.3 are no port injection, and under relatively higher strain for the application (although plenty of giddyup when needed). The 2.7 is a great motor, understrained, and has both port and direct injection which is good for longevity and to fight carbon build up. Overall between the two I would say the 2.3 is the more reliable option primarily because being single turbo and inline 4 cylinder there's just a lot less to go wrong- fewer coolant/oil lines to leak, fewer valvetrain components, less overall plumbing etc. While all the individual parts are reliable, there are more parts on the 2.7 to have a problem with. The engine bay also looks a lot easier to work in for the 2.3 meaning cost of repairs should be lower.

 

[TopRecon]

Ford service advisor here. Both great engines IMO that both have up and down sides. Downsides of the 2.3 are no port injection, and under relatively higher strain for the application (although plenty of giddyup when needed). The 2.7 is a great motor, understrained, and has both port and direct injection which is good for longevity and to fight carbon build up. Overall between the two I would say the 2.3 is the more reliable option primarily because being single turbo and inline 4 cylinder there's just a lot less to go wrong- fewer coolant/oil lines to leak, fewer valvetrain components, less overall plumbing etc. While all the individual parts are reliable, there are more parts on the 2.7 to have a problem with. The engine bay also looks a lot easier to work in for the 2.3 meaning cost of repairs should be lower.

This is my thinking and why I'm leaning towards the 2.3, along with the Ford Performance tune offering almost identical performance to the 2.7. Not to mention the next-gen 2.3 debuting on the Mustang has dual injection and even better performance, no doubt it will be introduced to the Bronco in the near future.

 

[Cyber2D]

2.3L. No question. Relatively simple and proven engine architecture. You can get a lazy V6 or one of the best I4s available today. Easy choice.

 

[The_Phew]

How often is the engine itself the 'weak link' on a modern passenger vehicle? When they 'die' (i.e. require more than the value of the vehicle to repair), it seems to usually be electronics, transmission, frame rust, cooling system, etc.

The V6 has had recent teething problems and has way more parts to fail, and the I4 lacks port injection; so neither is perfect.

 

[MidasWhale]

 

[prospectfour]

2.3L. No question. Relatively simple and proven engine architecture. You can get a lazy V6 or one of the best I4s available today. Easy choice.

Lazy how?

This topic reminds me of the 2dr-4dr threads. Seems like only one side is super jazzed up about the other sucking.

Who knew having wrong number of doors and cylinders was this much fun!

 

[Beachin 74]

The best engine is the one that passes you by while you're stuck on the side of the road broke down.

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