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Jeep owners: 4cylinder models vs the 4.0?

Posted on 4/5/15 at 5:28 pm
Posted by gsvar2004
Member since Nov 2007
7954 posts
Posted on 4/5/15 at 5:28 pm
I am in the market for a used jeep and looking at the TJ models. I know there are many jeep owners here and I wanted to know the opinion on the 4cylinder with the 5 speed trans? It seems like all the tj's im finding within my budget are the 2.5.
Posted by TrueTiger
Chicken's most valuable
Member since Sep 2004
67964 posts
Posted on 4/5/15 at 5:31 pm to
Be sure and check the recalls. It seems that some models have an exploding gas tank problem.

quote:

A U.S. jury in Georgia awarded on Thursday $150 million to a family that sued Chrysler Group LLC for the 2012 death of their 4-year-old in a crash involving a 1999 Jeep Grand Cherokee with a rear fuel tank.


$150 million fuel tank fire death
Posted by TexasTiger89
Houston, TX
Member since Feb 2005
24305 posts
Posted on 4/5/15 at 5:32 pm to
4 cylinders are cheaper because most do not want them. Harder to resale.
Posted by JBeam
Guns,Germs & Steel
Member since Jan 2011
68377 posts
Posted on 4/5/15 at 5:34 pm to
4cylinder TJ? Didn't know they offered this.

Why not stick with in the inline six. It's one of the best engines Jeep offered in the TJ's & JGC.
Posted by gsvar2004
Member since Nov 2007
7954 posts
Posted on 4/5/15 at 5:35 pm to
quote:

4cylinder TJ? Didn't know they offered this. Why not stick with in the inline six. It's one of the best engines Jeep offered in the TJ's & JGC.


That would be ideal, but as stated they are a few thousand more on the used market.
Posted by Raz4back
Member since Mar 2011
3950 posts
Posted on 4/5/15 at 5:36 pm to
A lot of people I've known that owned one, myself included, ended up with metal shavings in the oil pan. Mine was bad enough to block oil flow causing the oil pressure to randomly drop to zero.
Posted by shawnlsu
Member since Nov 2011
23682 posts
Posted on 4/5/15 at 6:09 pm to
The 4 banger is horrible. Save a few more thousand and get the 4.0 or go get something else.
Posted by JBeam
Guns,Germs & Steel
Member since Jan 2011
68377 posts
Posted on 4/5/15 at 6:14 pm to
I really think you should stick with the inline 6. I don't know much about the 4.
Posted by TIGER2
Mandeville.La
Member since Jan 2006
10487 posts
Posted on 4/5/15 at 6:15 pm to
I have A 78 with a 401cid, but the 4.0 is the way to go as per friends that have had both.
Posted by Ice Cream Sammich
Baton Rouge
Member since Apr 2010
10111 posts
Posted on 4/5/15 at 6:15 pm to
My Jeep had the 4.0. Incredible motor. Could not kill it. Mom had the 4 cyl, scary trying to get to HWY speeds in BR.
Posted by biglego
Ask your mom where I been
Member since Nov 2007
76340 posts
Posted on 4/5/15 at 6:17 pm to
Always go with the bigger engine. Also, never buy a Chrysler product.
Posted by lsut2005
Northshore
Member since Jul 2009
2602 posts
Posted on 4/5/15 at 6:19 pm to
My first car was a 95 Cherokee and had the 4.0 6 cylinder. It was a beast. I can't begin to explain how badly I treated that car and it just kept running with zero issues. Best vehicle I've ever owned.
Posted by ellunchboxo
Gtown
Member since Feb 2009
18800 posts
Posted on 4/5/15 at 6:22 pm to
I had a 2000 4cyl 5 speed. It wasn't that bad. But the 4 liter is much much better if you plan on modding it at all.
Posted by Clames
Member since Oct 2010
16587 posts
Posted on 4/5/15 at 6:24 pm to
I think some here are confusing the TJ 2.5l 4-cylinder with some other variant. The 2.5's are basically a 4.0 minus the center two cylinders, cast iron block and heads. Nothing fancy but they are pretty tough little engines. Lots of parts out there too.
Posted by Barf
EBR
Member since Feb 2015
3727 posts
Posted on 4/5/15 at 6:29 pm to
For the trail, the 2.5 is fine. If you want to drive it on the interstate, get the 4.0.

1999-2002 4.0's had a bad cylinder head casting. Head casting number 0331 liked to crack between the #3 and #4 cylinder.

The 3 speed auto was near bullet proof as well. I just sold an 01 TJ sahara with 101k miles for $7k so the deals are out there.
Posted by CatsGoneWild
Pigeon forge, Tennessee
Member since Jan 2008
13318 posts
Posted on 4/5/15 at 6:45 pm to
If u want bigger tires, u have to get the 4.0. If u drive a 4 banger, u will be in 4th gear driving 50 mph unless u re gear it. I've drove both with lift kits and bigger tires
Posted by gsvar2004
Member since Nov 2007
7954 posts
Posted on 4/5/15 at 7:17 pm to
It has less to do with saving, and more to do with i have an amount my wife has said I can spend.
Posted by DarthRebel
Tier Five is Alive
Member since Feb 2013
21259 posts
Posted on 4/5/15 at 7:53 pm to
quote:

For the trail, the 2.5 is fine. If you want to drive it on the interstate, get the 4.0.


This is the correct answer. I had an 87YJ with 4.2 (POS) and a 2002 TJ with a 4.0. There were a lot of guys in the clubs that went with the cheaper 4 banger to modify up for trail use primary/only. 4 cylinders with the right gearing in the diffs can move 33 or 35 inch tires. 4:1 transfer case added and you can crawl most anything.

If you are going for mall rated, get the extra 2 cylinders.

Make sure you get one with the Dana 44 rear no matter what you get.
Posted by Redbone
my castle
Member since Sep 2012
18857 posts
Posted on 4/5/15 at 8:38 pm to
quote:

Jeep owners: 4cylinder models vs the 4.0?


2 X 4cyl = 4.0 L. Understand???
Posted by shawnlsu
Member since Nov 2011
23682 posts
Posted on 4/5/15 at 8:47 pm to
Then stash a couple thousand and get the 4.0
Or grow some fricking balls and just go but the 4.0
Either way you decide to go, don't buy the 4 banger
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