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Jeep Grand Cherokee
324 Posts
If fuel economy is your first priority and power is secondary, consider this. Around town in stop and go driving my 2008 wk with hemi gets 12 mpg. I test drove a 2011 with the V6 pentstar and it had 17 mpg on the CID, also all stop and go from people like us test driving it. The Hemi produces a broad powerband across the whole rpm range. The pentastar produces it's power when you go over 4k rpms. The pentastar is a fine motor, but the GC is a large beast. My friend has one and does lots of freeway miles and averages in the mid 20's. The most I ever got out of my Hemi was 19 mpg. Advertised mileage vs. real world can vary widely, especially if you have a lead foot.

The best advice I can give is forget the numbers for a moment go test drive both. I can't count how many cars that I have driven that looked good on paper that I did not like in real life, nor how many cars I took a chance on and discovered I really liked. They day I bought my wk1 I was actually looking for a trailblazer SS.
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