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Old 06-15-2013, 12:17 AM   #1
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2.3L vs 2.5L

People tell me that I will be disappointed with the 2.5L auto. They say that IF I have to have an auto tranny, that I should go with the 4.0L, instead.

I am not a speed demon.
I don't plan on hauling anything with the vehicle. (Too short of a wheel-base.)

My wife's car has a 2.3L engine, with an automatic tranny.
Her car accelerates just fine entering & exiting the highways.

Like I said, I'm not looking for a race car.

Is there something I'm missing?
If my wife's automatic 2.3L can handle the highways, why wouldn't a TJ with a 2.5L auto tranny?

If you say it's a matter of gearing, my wife's car is a 2005 Ford Escape. I wouldn't think that there would be much of a difference. (4:23 Rear End)

Opinions, Please.

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Old 06-15-2013, 12:50 AM   #2
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The TJ has the aerodynamics of two bricks with a third stacked on top. Furthermore it's engine is tuned for low down torque and not power.

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Old 06-15-2013, 01:18 AM   #3
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The TJ has the aerodynamics of two bricks with a third stacked on top...

I've always heard it described as a refrigerator on a skateboard.

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... it's engine is tuned for low down torque and not power.
With that low torque, would that make the TJ not perform as well as the Ford Escape, as far as merging onto & off the highway?
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Old 06-15-2013, 01:20 AM   #4
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I've always heard it described as a refrigerator on a skateboard.

With that low torque, would that make the TJ not perform as well as the Ford Escape, as far as merging onto & off the highway?
Absolutely not. My 4.0 barely merges safely. The Ford escape is a totally different vehicle from a Jeep with many many factors in play.
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Old 06-15-2013, 01:21 AM   #5
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I've always heard it described as a refrigerator on a skateboard.

With that low torque, would that make the TJ not perform as well as the Ford Escape, as far as merging onto & off the highway?
Two different vehicles.
But you'll be fine. Just don't be afraid to break out the whip on the squirrels.
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Old 06-15-2013, 01:26 AM   #6
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My reasoning is this, both the 4 cyl Jeep and the 6 cyl Jeep are under powered and get awful fuel mileage. If you're going to get one or the other get the lesser of the two evils.


That being said, we all know the 4.0 is the work horse of the Jeep family and you can pretty much run them on mud, water, and yuppie hate.
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Old 06-15-2013, 01:30 AM   #7
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My reasoning is this, both the 4 cyl Jeep and the 6 cyl Jeep are under powered and get awful fuel mileage. If you're going to get one or the other get the lesser of the two evils.

That being said, we all know the 4.0 is the work horse of the Jeep family and you can pretty much run them on mud, water, and yuppie hate.
Its good fuel mileage considering the lack of aerodynamics. But yes it does run best on the souls and tears of yuppies.
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Old 06-15-2013, 01:38 AM   #8
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My reasoning is this, both the 4 cyl Jeep and the 6 cyl Jeep are under powered and get awful fuel mileage. If you're going to get one or the other get the lesser of the two evils.


That being said, we all know the 4.0 is the work horse of the Jeep family and you can pretty much run them on mud, water, and yuppie hate.

I think I'll rethink the 2.5L, & concentrate on the 4.0L only.

My wife still wants the tranny to be an automatic, so that she can occasionally get behind the wheel. (She has never drove a standard, and has no desire to start now.)
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Old 06-15-2013, 01:41 AM   #9
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Its good fuel mileage considering the lack of aerodynamics. But yes it does run best on the souls and tears of yuppies.
All thing's considered I suppose so, but Escapes (or Escapès as our friends south of the border call them) drive waaay different than a Squirrel powered TJ. Last time I checked those Ford VVT 2.3's were putting out hp numbers in the high 100's, I'm pretty sure they have a CVT as well..
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Old 06-15-2013, 01:46 AM   #10
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I think I'll rethink the 2.5L, & concentrate on the 4.0L only.

My wife still wants the tranny to be an automatic, so that she can occasionally get behind the wheel. (She has never drove a standard, and has no desire to start now.)
By all means drive both of them and see the difference for yourself. Personally I hate having to put my foot to the floor whenever I want to accelerate with traffic. I had a 2.4 and I made every attempt to stay off of the highway. It was terrifying.
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Old 06-15-2013, 01:56 AM   #11
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All thing's considered I suppose so, but Escapes (or Escapès as our friends south of the border call them) drive waaay different than a Squirrel powered TJ. Last time I checked those Ford VVT 2.3's were putting out hp numbers in the high 100's, I'm pretty sure they have a CVT as well..
Yes I know they drive different. Did I not say that in one of my previous posts?
I avoid freeways around here because of how bad the traffic is... Plus, I can get around a ton faster on back roads. Less stop and go..
I've also driven a 4.0 standard for a majority of my time(before I owned my Jeep[2.5 Standard on 33s] and after I owned an EB edition 1999 Expedition). Both are fine, even on the freeway except for steep hills.
However, if I had to really long highway stints and I were high strung(Im a type A but am not high strung) I'd choose the 4.0 standard tranny.
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Old 06-15-2013, 02:41 AM   #12
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Yes I know they drive different. Did I not say that in one of my previous posts?
I avoid freeways around here because of how bad the traffic is... Plus, I can get around a ton faster on back roads. Less stop and go..
I've also driven a 4.0 standard for a majority of my time(before I owned my Jeep[2.5 Standard on 33s] and after I owned an EB edition 1999 Expedition). Both are fine, even on the freeway except for steep hills.
However, if I had to really long highway stints and I were high strung(Im a type A but am not high strung) I'd choose the 4.0 standard tranny.
That other part was more directed at the OP.

I had to move closer to work within a month of moving to Utah to avoid the freeway. I have a 42rle behind my 4.0 with 3.73's/33"s and I had an uphill commute to and from work. It was hell. My Jeep was okay at sea level but up here it's a total pooch. When I recover from the move it'll get regeared. I can't imagine what it would be like having the 4 cyl up at this elevation.
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Old 06-15-2013, 10:00 AM   #13
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I have a 4.0 auto and a 2.5 5 speed. And I will tell you the 4.0 auto will out do anything the 2.5 stick can do. The 2.5 only has 120 HP and my Neon with the 2.0 auto will beat it. The 2.5 around town is fine. But if you plan on taking it on the highway buy the 4.0 But I will tell you, you will pay for the 4.0 compared to the 2.5 Around here a 97 2.5 sells in the 4K range. A 97 4.0 sells in the 7K range. I don't know how it is down there, but up here it is like that.
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Old 06-15-2013, 10:16 AM   #14
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I have a 2.4L with the 6speed manual tranny and 31" tires. It accelerates OK around town but highway speeds leave something to be desired. Hills at low speed are no problem due to the torque-iness of the little engine that could but hills above 50mph will leave you downshifting and coaxing the accelerator to maintain speed. Personally I have no problem with the 4 banger (other than a reoccurring TPS issue). I'll just say since I've gotten my TJ I haven't been pulled over for speeding
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Old 08-20-2013, 12:00 PM   #15
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... but highway speeds leave something to be desired ...
Maybe that's the point.
Jeeps weren't meant to go fast. Just take it slow, enjoy the ride, knowing that you're cruising in a Jeep.
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Old 08-20-2013, 12:32 PM   #16
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Our 1st TJ was a 98 with the 2.5 with 4:11s ... To maintain 65 mph on interstates,even empty, it had to be downshifted for the very slightest grade or headwind. Loaded with gear we only ever saw 5th on downgrades.... I've had the 04 since new, with the 4.0 and 4:11s, yup, still a brick in the wind, but empty or loaded down with all our gear, not nearly as much downshifting to maintain highway speeds, and we get better mpg s. if you don't live and commute in the flatlands get the 4.0..
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Old 08-20-2013, 02:39 PM   #17
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I have a 2.4L with the 6 speed. I'm no speed demon either. My Jeep has enough power to do normal city driving but it tends to bog down above 50mph and struggle. It will maintain 65-70 on flat ground no problem but don't expect much passing power.
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Old 08-20-2013, 03:38 PM   #18
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Two different vehicles.
But you'll be fine. Just don't be afraid to break out the whip on the squirrels.
I think three of my 4 squirrels belong to the union and go on strike now and then. Like up hills.

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