The Kia K5 is a midsize sedan from South Korea that boasts much racier looks than the Optima it replaced two years ago. LX, EX and GT-Line models all feature a turbocharged 1.6-litre four-cylinder engine producing 180 horsepower and paired with AWD as standard. The top-line K5 GT doesn’t have AWD, but it packs a turbocharged 2.5-litre four-cylinder that increases output to 290 horsepower. Kia made a few equipment revisions for 2023.