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Old 11-20-2012, 10:46 PM   #31
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I've come to realize its not a matter of preference of engine or power. Every single person on here would prefer the 4.0 over the 2.5 or 2.4 including myself. The real difference is budget! They both end up getting close to the same gas mileage so that really has no bearing on purchasing decisions. Seems like there's generally a premium of $1000-2000 for the 4.0. That's a lot of extra money to some people when purchasing.
Good luck with the purchase!

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Old 11-20-2012, 11:50 PM   #32
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I saw one guy's garage on here. Bright yellow with a LS3 dropped in it. If you can't do that, then 4.0. That's one of the first things anybody that knows Jeeps will ask, be proud of your answer

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Old 11-21-2012, 12:19 AM   #33
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The only reason I would consider less power is if I got +25% better gas mileage. But for one extra mile per gallon, no way. 4.0L
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Old 11-21-2012, 12:21 AM   #34
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4.0 end of discussion.
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Old 11-21-2012, 04:02 AM   #35
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I've driven both and the 2.5L can become exhausting to drive on freeways especially in traffic situations that require you to accelerate quickly.
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Old 11-21-2012, 04:28 AM   #36
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same price, or less than 20% more? get the 4.0. if its gonna be ridiculous, as many 4.0 jeeps are, get a 2.5. they're good tough never say die engines, unlike the 2.4.
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Old 11-21-2012, 05:31 AM   #37
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To me it was hands down a 4.0L, never even considered the 2.5L. Had to be a TJ...had to be a 4.0L. The cost is a little higher but so is the resale (if you don't plan to keep it until the rapture). No MPG gain, less power and about a grand cheaper...not for me. If it's about money, save a little longer and get a 4.0L, maybe even save more to hold out for a Rubicon or find one with a Dana 44 rear axle. (Don't forget about other options too like a hardtop, full doors, AC, cruise...some people don't think of these when getting a Jeep until they already laid out the cash. But a lot of folks that drive Jeeps don't care and like the minimalistic Jeeps. I just wish mine had cruise for my summer treks to Myrtle Beach.)
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Old 11-21-2012, 06:57 AM   #38
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Originally Posted by doclouie View Post
I am yet to hear anyone say they wish they had gotten the 2.5L when they have the 4.0L, but hear a lot the other way around.

you read my mind.

there is just no better engine for the Wrangler than the 4.0L. even today.
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Old 11-21-2012, 08:43 AM   #39
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I have a 98 2.5L auto. It's not thattt bad... I don't complain about getting up to speed or anything. But if you find a huge hill, you'd better prepare for hell. xD
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Old 11-27-2012, 12:42 PM   #40
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But if you're planning on pulling a boat...
Pulling a boat with a wrangler? I have a hitch, but hadn't really throught about dragging my 21' cutty cabin with the jeep. Hmmmmm...

2000 TJ 4.0, Auto, Hardtop, AC, 33's...
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Old 11-27-2012, 06:21 PM   #41
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I finally pulled the trigger back in March after always wanting a jeep.. Wish I had found this forum sooner.. Anyway, I ran across a 97 2.5 auto with hardtop that was still basically stock. Great condition and looked like it has never to been off road much.. First thing I did was throw some 31s on it and even though it was fine around town, it was a dog on the interstate. I could get up to 80, but would take awhile. Top speed is not the problem, I could cruise around 65-70 with a nice ride. It was getting on the interstate that was a problem or going up steep inclines where you notice being under powered. I even notice on backroads when pulling out somewhere with a slight incline, you better make sure no one is coming. Plenty of times I would pull out thinking had enough time, only to find someone right on my a$$. You do have to alter driving style with a 2.5..This is with a auto, 5 speed might be a little better..

Not wanting to offend anyone, but spend your money on a 4.0... Some will say you can regear after adding larger tires to get back some performance, but that is goin to set you back $1500.00 or so, which is basically the cost difference of a 2.5 an 4.0..

I did find this forum soon enough, before I started adding a bunch of stuff to try and get more power from my 2.5.. Also I did what everyone else said, save your money on Mods that dont really help the 2.5 and sell your 2.5 and find a 4.0.. Between the money I got out of mine and the $2000 or so I saved by not regearing and adding a bunch of bolt on mods that still leave you with a 2.5, I should be able to find a nice 4.0.

I do miss my 2.5, but as soon as I find me a 4.0 I will will not think twice about making the switch.

Just picked up a 03 with 4.0.. First thing I did was hit the hill that takes me out of town and I am still smiling.. So glad I listen to everyone on the forum about selling the 2.5 instead of dumping a bunch of money in it.. It is unreal the power of a 4.0 to a 2.5. I new it would be better, but never thought there could be that much difference between the two.. 4.0 is the only way to go..
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Old 11-27-2012, 06:43 PM   #42
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Originally Posted by Rooster21

Just picked up a 03 with 4.0.. First thing I did was hit the hill that takes me out of town and I am still smiling.. So glad I listen to everyone on the forum about selling the 2.5 instead of dumping a bunch of money in it.. It is unreal the power of a 4.0 to a 2.5. I new it would be better, but never thought there could be that much difference between the two.. 4.0 is the only way to go..
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Old 11-27-2012, 08:58 PM   #43
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I have a 2.5 with 33" and it's a dog on the interstate... Tops at 70 to the floor in 4 th.. 5th won't push it... You eliminate 4th.. Go with the 6.. I plan on getting a hemi eventually.. Or 4bt cummins
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Old 11-28-2012, 05:20 AM   #44
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2.5 if you never want to modify it and don't care about power. 4.0L if you want to run bigger tires and feel like it is a small v8 when you accelerate and care about resale value.
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Old 11-29-2012, 07:02 PM   #45
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The 4.0 - manual or auto w/right axle ratio.

I have the flat-lander axle ratios with my auto and it can't get started
from a light nor maintain speed on hilly roads in Colorado.
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Old 11-29-2012, 09:54 PM   #46
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What everyone else said! I would add that you will not see any MPH gains with the 2.5L. I have a 97 2.5L with the 5 speed manual and my friend has an 2004 4.0 LJ with the 6 speed manual. We drive similarly and can spend a day out on the trail together driving all the same places. At the end of the day he always puts less gas in the tank than I do. My 4 banger simply has to work harder to keep up and therefore burns more gas. I often wish I had more power on the highway, or in sand and deep snow, but on the trail it does perform like a champ.

In short, don't buy one thinking you will save gas money.

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