Joining the Kia lineup this summer is the fifth iteration of the Optima sedan, now known as the K5. The 2021 K5 shares much with the 2020 Hyundai Sonata from Kia's corporate sibling. But the K5 distinguishes itself through exterior design cues from the Stinger sports sedan, along with more subtle front and rear treatments. The standard engine is a 1.6-liter, four-cylinder turbo with 180 hp routed through an eight-speed automatic shifter. Here's a roundup of snippets of K5 reviews from the automotive media.
"The tires — always a compromise — were engineered for quiet, all-weather and a long life, so they tended to slide away a little earlier than you'd like in GT-Line trim level. And the soft suspension that had been so comfortable down in the city leaned, dove and squatted a little more up here than I had hoped it would. But the 1.6-liter's eight-speed tranny had a manual mode and with that you could stay in the wide-ish power and torque bands afforded by that engine…