The 2011 Kia Optima's engine produces 186 ft-lbs. @ 4250 rpm.
The 2004 Kia Optima's engine produces 147 ft-lbs. @ 3000 rpm.
The 2008 Kia Optima's engine produces 164 ft-lbs. @ 4250 rpm.
The 2010 Kia Optima's engine produces 169 ft-lbs. @ 4000 rpm.
The 2013 Kia Optima's engine produces 186 ft-lbs. @ 4250 rpm.
The 2007 Kia Optima's engine produces 164 ft-lbs. @ 4250 rpm.
The 2012 Kia Optima's engine produces 186 ft-lbs. @ 4250 rpm.
The 2006 Kia Optima's engine produces 147 ft-lbs. @ 3000 rpm.
The 2003 Kia Optima's engine produces 147 ft-lbs. @ 3000 rpm.
The 2005 Kia Optima's engine produces 147 ft-lbs. @ 3000 rpm.
The 2002 Kia Optima's engine produces 159 ft-lbs. @ 4500 rpm.
The 2001 Kia Optima's engine produces 159 ft-lbs. @ 4500 rpm.