Specifications Comparison: 2015 Kia Optima vs 2006 Kia Optima

Curb Weight

Trim	Engine	Drive train	Curb Weight	Horsepower	Weight / Horsepower Ratio
EX	2.4L I4	FWD	3,272 lbs.	192 hp	17.0 lbs/hp
LX	2.4L I4	FWD	3,237 lbs.	192 hp	16.9 lbs/hp
SX	2.4L I4	FWD	3,327 lbs.	192 hp	17.3 lbs/hp
SX	2.0L I4	FWD	3,468 lbs.	274 hp	12.7 lbs/hp
SX Limited	2.0L I4	FWD	3,468 lbs.	274 hp	12.7 lbs/hp
EX	Electric 2.4L I4	FWD	3,622 lbs.	199 hp	18.2 lbs/hp
LX	Electric 2.4L I4	FWD	3,496 lbs.	199 hp	17.6 lbs/hp

Trim	Engine	Drive train	Curb Weight	Horsepower	Weight / Horsepower Ratio
EX	2.4L I4	FWD	3,179 lbs.	161 hp	19.7 lbs/hp
LX	2.4L I4	FWD	3,142 lbs.	161 hp	19.5 lbs/hp
EX	2.7L V6	FWD	3,287 lbs.	185 hp	17.8 lbs/hp
LX	2.7L V6	FWD	3,287 lbs.	185 hp	17.8 lbs/hp
EX	2.4L I4	FWD	3,301 lbs.	138 hp	23.9 lbs/hp
LX	2.4L I4	FWD	3,281 lbs.	138 hp	23.8 lbs/hp
EX	2.7L V6	FWD	3,279 lbs.	170 hp	19.3 lbs/hp
LX	2.7L V6	FWD	3,279 lbs.	170 hp	19.3 lbs/hp