<Ul> <Li> Wrangler (2007--present) </Li> </Ul> <Li> Wrangler (2007--present) </Li> <Dl> <Dd> <Dl> <Dd> The new JK Wrangler includes a 3 - piece hardtop roof . 2007 - 2011 used Chrysler's 3.8 L V6 engine . For 2012 +, the Wrangler uses Chrysler's 3.6 L Pentastar V6 . </Dd> </Dl> </Dd> </Dl> <Dd> <Dl> <Dd> The new JK Wrangler includes a 3 - piece hardtop roof . 2007 - 2011 used Chrysler's 3.8 L V6 engine . For 2012 +, the Wrangler uses Chrysler's 3.6 L Pentastar V6 . </Dd> </Dl> </Dd>

What is the first model year (4 digit) of the production run for the 2007 jeep jk model