The Kia K8 is an executive car manufactured by Kia. Based on the Hyundai Grandeur, it is internally designated, ‘GL3’.^[6][5] Replacing the K7/Cadenza, it was released in April 2021 in South Korea.^[2][3]

The Kia K8 was first offered for sale on 8 April 2021 with an online launch. Pictures of the K8 were released on 17 February 2021. ^[7] Features include a driver-center layout with a curved display and 12-inch head-up display, updated infotainment plus HVAC systems, lighting synced with the navigation system, driver's ergo motion seat,^[8] and multi-function center armrest and headrest.^[9]

It is similar to the mechanically identical seventh-generation Hyundai Grandeur/Azera twin.

Kia K8 Hybrid was released on 4 May 2021, offering a 1.6-litre turbo hybrid engine in addition to the conventional engine, 17-inch machined-face wheels, an emblem that indicates the vehicle is electrified, and a dedicated cluster graphic.^[10]

The K8 will be offered with a 3.5-litre V6 engine producing 300 PS (296 hp; 221 kW), or the base 2.5-litre inline four making 198 PS (195 hp; 146 kW). An optional 3.5-litre LPI (Liquid Propane Injection) engine will be offered that makes 240 PS (237 hp; 177 kW). It is paired with an 8-speed automatic transmission, which is claimed^{[by whom?]} to improve the V6 engines’ fuel economy by up to 6 percent.^{[citation needed]}

† = Includes both the Cadenza/K7 and K8.