Hyundai and Kia utilized several iterations of platforms for their small automobile line-up since 1997.
The FF platform is the first city car platform developed by Hyundai for its first A-segment city car, the Hyundai Atos. Introduced in 1997, production continued until 2014, when the Hyundai Santro Xing was discontinued.
The SA platform is a successor of the FF platform, mainly utilized for A-segment vehicles starting from 2004. The platform was derived as a shortened version of the TB platform.
The BA platform is a successor of the SA platform, mainly utilized for A-segment vehicles starting from 2014.
The JB platform is a successor of the TB platform, mainly utilized for B-segment vehicles starting from 2005.
The PB platform is a successor of the JB platform, mainly utilized for B-segment vehicles, which debuted with the second-generation Hyundai i20 in 2008 and then with the Hyundai ix20 in 2010. Wheelbase variations ranging from to .
The GB platform is a successor of the PB platform, mainly utilized for B-segment vehicles. Wheelbase variations ranging from to . It is succeeded by the K2 platform.
The all-new B-SUV platform debuted with the Hyundai Kona in 2017. The all-new platform is said to be based on the Hyundai i30 platform, and is claimed to extensively using advanced high-strength steel. The architecture supports electrified variants, and unlike the GB platform, the new platform supports an all-wheel-drive drivetrain with dual-arm multi-link independent rear suspension.