Specifications Comparison: 2005 Nissan Altima vs 2020 Kia Optima

Curb Weight

Trim	Engine	Drive train	Curb Weight	Horsepower	Weight / Horsepower Ratio
(5 Spd)	2.5L I4	FWD	3,001 lbs.	175 hp	17.1 lbs/hp
S	2.5L I4	FWD	3,039 lbs.	175 hp	17.4 lbs/hp
SL	2.5L I4	FWD	3,106 lbs.	175 hp	17.7 lbs/hp
SE	3.5L V6	FWD	3,197 lbs.	250 hp	12.8 lbs/hp
SER	3.5L V6	FWD	3,279 lbs.	260 hp	12.6 lbs/hp
SL	3.5L I4	FWD	3,296 lbs.	250 hp	13.2 lbs/hp

Trim	Engine	Drive train	Curb Weight	Horsepower	Weight / Horsepower Ratio
EX DCT	1.6L I4	FWD	3,285 lbs.	178 hp	18.5 lbs/hp
EX Premium DCT	1.6L I4	FWD	3,285 lbs.	178 hp	18.5 lbs/hp
LX	2.4L I4	FWD	3,230 lbs.	185 hp	17.5 lbs/hp
S	2.4L I4	FWD	3,298 lbs.	185 hp	17.8 lbs/hp
SX	2.0L I4	FWD	3,558 lbs.	245 hp	14.5 lbs/hp
EX	1.6L I4	FWD	3,285 lbs.	178 hp	18.5 lbs/hp
EX Premium	1.6L I4	FWD	3,285 lbs.	178 hp	18.5 lbs/hp
LX	2.4L I4	FWD	3,230 lbs.	185 hp	17.5 lbs/hp
S	2.4L I4	FWD	3,298 lbs.	185 hp	17.8 lbs/hp
SX	2.0L I4	FWD	3,558 lbs.	245 hp	14.5 lbs/hp