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2021 Kia K5 fuel economy tops out at 32 mpg combined

In May, the EPA's FuelEconomy.Gov site listed three sets of initial fuel economy figures for the 2021 Kia K5, a move that helped confirm the end of the Optima name. The EPA has fiddled with the data set since then — the site doesn't list an all-wheel drive K5 anymore, for instance — but Kia has done us the favor of providing complete mpg numbers for every K5 trim except the flagship GT. The entry-level K5 LX with front-wheel drive gets 29 miles per gallon in the city, 38 on the highway, and 32 combined. This lines up with a model on the EPA site that's listed with stop/start on the 1.6-liter turbocharged four-cylinder. Most notably, the K5 LX sips a lot less fuel than the entry-level 2020 Kia Optima LX. The Optima LX houses a 2.4-liter four-cylinder with 185 horsepower and 178 pound-feet of torque — five horses up but 12 lb-ft down on the K5 — and gets 24 city, 32 highway, 27 combined. And the K5 only costs $100 more than the Optima. Among the competitive set, the in-house rival Hyundai Sonata in entry-level SE trim gives up one mile per gallon in the city to the LX, otherwise the two are equal. The Sonata SE, though, gets motivated by a 2.5-liter four-cylinder with 191 hp and 181 lb-ft. The Sonata SEL Plus with the same 1.6-liter as the Kia but costing $4,000 more returns 27 city, 36 highway, 31 combined. Outside the fold, the Toyota Camry ultimately evens out the fuel economy score in delivering 28 mpg city, 39 highway, 32 combined. The Honda Accord edges all comers with 30 mpg city, 38 mpg highway, and 33 combined thanks to its continuously variable transmission; the other three shift through eight-speed automatics. The front-wheel drive K5 LXS, EX, and GT-Line all return 27 mpg city, 37 mpg highway, and 31 mpg combined. The figures match a K5 model on the EPA site that omits the stop/start system on the 1.6-liter, but we can't see where Kia has mentioned a stop/start system in its K5 release materials. About 100 pounds difference in curb weight covers all four trims that we have info on so far. This would appear to indicate the lack of the fuel-saving tech on the three trims causing slightly lower fuel economy as opposed to extra luxuries weighing matters down. Only two trims for now come with the option of all-wheel drive, the LXS and GT-Line. When the K5 GT arrives, it will only come with all-wheel drive. Check the box to send power to all the wheels, and both variants deliver 26 mpg city, 34 mpg highway, 29 mpg combined.

2021 Kia K5 is a Stinger-inspired midsize sedan

Love the idea of the rear-wheel-drive Kia Stinger but just can't swing the price tag? The 2021 Kia K5 promises to be the next-best thing, while also delivering the practicality and comfort expected of a modern midsize sedan.  "K5" has been the name of the Korean-market Optima since its major redesign in 2010, and with the 2021 model, that name is coming to America. With this re-branding comes a major overhaul to Kia's four-door family car, including available all-wheel drive and a new performance GT model that will likely be met with approval by fans of the Stinger sport sedan.  On the outside, the K5 looks like, well, an Optima. Kia seems content with its current "tiger face" design. The new K5 design has obvious influences from the Stinger, but that car's design wasn't really all that much of a departure from the previous-generation Optima's, so the family resemblance remains strong. As with any major redesign, there's plenty more action underneath the K5's sheet metal. The new sedan will be offered with two turbocharged engines and, for the first time in a front-wheel-drive Kia sedan, an all-wheel-drive option will be offered for those who want a little more all-weather functionality.  The base engine will be a 1.6-liter four-cylinder producing 180 horsepower and 195 pound-feet of torque. On the base-model LX, it will be paired exclusively with an eight-speed automatic transmission (no CVT here, at least not yet) and front-wheel drive. On the LXS and GT Line, all-wheel drive will be available.  For those who want performance, the GT model is your ticket. Powered by the company's new 2.5-liter turbo-4, the GT will boast 290 hp and a class-leading 311 lb-ft of torque paired with an eight-speed dual-clutch automatic transmission. Kia says this combo will be good for a 0-60 time of 5.8 seconds.  Inside, the K5 gets numerous upgrades over the outgoing Optima. Shown here in GT-Line and GT guise, the interior will be available with perforated leather seating options with contrast stitching for a little added pizzazz. The flat-bottom steering wheel pictured is also exclusive to the GT-Line and GT trims. Other available features include wireless device charging, heated and ventilated front seats, and a heated steering wheel. The base infotainment system will be an 8-inch touchscreen unit with a 10.25-inch upgrade available; both will be powered by the latest revision of Kia's excellent UVO software suite.

Refreshed Kia Optima Hybrid continues to blend good looks and efficiency

With all the excitement at the Kia stand surrounding the new Soul EV, it's easy to forget that there were other cars on display at the Korean marque's Chicago Auto Show display. The Niro Concept from the Frankfurt Motor Show made an appearance, but the other production model on display was the refreshed Optima Hybrid (which was tucked away in a corner).
Like the standard Optima, which was refreshed at the 2013 New York Auto Show last year, the hybridized sedan gets a slightly restyled face and rear end. As we told you in our official post on the car yesterday, the gas-electric powertrain of the 2014 Optima Hybrid still deploys 199 total system horsepower and 235 pound-feet of torque. Buyers of the base LX car will net 36 miles per gallon in the city and 40 on the highway, while the upmarket EX loses a mile per gallon in both environments.
Have a look at our live gallery of the new Optima Hybrid, from the floor of the Chicago Auto Show.