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post #1 of 3 (permalink) Old 03-20-2012, 12:42 PM Thread Starter
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Question motor options

I am wondering if anyone can give me info on the difference between the 3.7 and 4 ("upgraded") engines.. performance, mpg, reliability...etc, etc
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post #2 of 3 (permalink) Old 03-20-2012, 02:46 PM
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The 4L has a bit more power n tourque. It just feels better for highway driving. Mpg is a bit more.On average 5mpg more but worth it.

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post #3 of 3 (permalink) Old 03-24-2012, 09:08 AM
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Originally Posted by jen View Post
I am wondering if anyone can give me info on the difference between the 3.7 and 4 ("upgraded") engines.. performance, mpg, reliability...etc, etc
The 3.7 is a Heavy Duty truck engine. The 4.0 is a Light Duty car engine. The Nitro is the only truck Chrysler offered the 4.0 as an option, to differentiate it from the Jeep Liberty, on which the Nitro is based.

2011 Nitro Heat 4x4: Bright Silver Metallic, Dark Slate Gray; Customer Preferred Package 24C; Trailer Tow Group; Hood-to-Fender Stripes; Navus 2; Uconnect.
MODS: Sunroof; S/S Nerf Bars; Mopar CAI, Pedal Kit, Chrome Rear License Plate Brow, Chrome Exterior Package, Production Style Cross Bars, Deluxe Molded Splash Guards, Cargo Security Cover, Door Sills & 3.7L Emblem; Media Center 430; Kicker Speakers, Sub and Amps; Carbon Fiber Dash Kits; Heated Katzkin Leather.
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