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- Jan 20, 2004
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That's for the '07 models; '06 and before may not have 4-speed automatics. And I note that the engine has changed from the 4.0 I6 to a 3.8 V6; when did this happen?All 2007 Wranglers come with a 3.8-liter V6 engine capable of 202 horsepower and 237 pound-feet of torque. It's connected to a standard six-speed manual transmission or an optional four-speed automatic.