My Jeep Wrangler had a 4 cyl w/5 speed in it. The gas mileage was the same as the 6 cyl. w/automatic. Why?
The 4 cyl. came with a 4.10 gear to get the thing to move! The 6 cyl. had a 3.07.
It's not always the size of the engine that dictates mileage.
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