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The K platform series are platforms developed by Hyundai and Kia for its range of automobiles since 2017.

K1 platform

The K1 platform is utilized for entry subcompact models (A-segment). It was introduced in 2018 coinciding with the launch of the second generation Hyundai Santro, replacing the SA platform and BA platform. It is a modified version of the SA platform, and Hyundai claimed the K1 platform is 63 percent more rigid than its predecessor. Two wheelbase variations are available, which are 2,400 mm (94.5 inches) and 2,450 mm (96.5 inches).

Vehicles using platform (calendar years):

• Hyundai Santro/Atos/Eon (AH2) (2018–2022)
• Hyundai Grand i10 Nios (AI3) (2019–present)
• Hyundai Aura/Grand i10 sedan (AI3) (2020–present)
• Hyundai Casper (AX1) (2021–present)
• Hyundai Casper Electric / Inster (AX1 EV) (2024–present)
• Hyundai Exter (AI3 CUV) (2023–present)
• Kia Syros (AY) (2025)

• Hyundai Santro (AH2)
• Hyundai Grand i10 sedan (AI3)
• Hyundai Grand i10 Nios (AI3)
• Hyundai Casper (AX1)
• Hyundai Casper Electric / Inster (AX1 EV)
• Hyundai Exter (AI3 CUV)

K2 platform

Introduced in 2016, the K2 platform is mainly utilized for B-segment and small C-segment vehicles. Wheelbase variations for this platform ranging between 2,500 mm (98.4 inches) and 2,760 mm (108.7 inches). The platform is able to support models with three-row seating. It is derived from the PB platform and GB platform, while also replacing them.

Vehicles using platform (calendar years):

• Hyundai i20 (BC3/BI3) (2020–present)
• Hyundai Accent/Verna/Solaris (HC/YC) (2017–2023)
• Kia Rio/K2/KX Cross (FB) (2017–2022)
• Hyundai i30 (PD) (2016–present)
• Kia Ceed/ProCeed/XCeed (CD) (2018–present)
• Hyundai Venue (QX) (2019–present)
• Kia Sonet (QY) (2020–present)
• Hyundai Bayon (BC3 CUV) (2021–present)
• Hyundai Creta/ix25 (SU2) (2019–present)
• Hyundai Alcazar (SU2 LWB) (2021–present)
• Kia Seltos/KX3 (SP2i/SP2c) (2019–present)
• Hyundai Stargazer (KS) (2022–present)
• Kia Carens (KY) (2022–present)

• Hyundai i20 (BC3)
• Hyundai Solaris (HCr)
• Kia Rio (FB)
• Hyundai i30 (PD)
• Kia Ceed (CD)
• Hyundai Venue (QX)
• Kia Sonet (QY)
• Hyundai Bayon (BC3 CUV)
• Hyundai ix25 (SU2)
• Hyundai Alcazar (SU2 LWB)
• Kia Seltos (SP2i)
• Kia XCeed (CD)
• Hyundai Stargazer (KS)
• Kia Carens (KY)

K3 platform

Introduced in 2020, the K3 platform is an all-new platform for C-segment vehicles as the successor to J platform series. Dubbed as the third-generation platform, Hyundai claimed the platform allowed engineers to lower the center of gravity for more agile handling. The platform also improves safety due to the usage of a multiload path structure.

• Hyundai Elantra/Avante/i30 sedan (CN7) (2020–present)
• Kia Niro (SG2) (2021–present)
• Hyundai Kona (SX2) (2022–present)
• Kia K4 (CL4) (2024–present)

• Hyundai Avante (CN7)
• Kia Niro (SG2)
• Hyundai Kona (SX2)
• Kia K4 (CL4)

K3 BEV platform

Introduced in 2024, the K3 BEV platform is a dedicated battery electric vehicle platform for the small-segment of Hyundai E-GMP derived from the K3 platform.

• Kia EV3 (SV) (2024)

• Kia EV3 (SV)

References

1. "Exclusive: Hyundai To Launch Two New Models Based On The New Santro's K1 Platform In 2019". carandbike. Retrieved 2020-09-08.
2. "Next-gen Hyundai Grand i10 to use new Santro platform". CarToq - India’s #1 auto content site. 2018-10-27. Retrieved 2020-10-10.
3. Gupta, Ritvik (2020-05-01). "Hyundai Motors India: The Name You Know, The History You Don't". The GoMechanic Blog. Retrieved 2020-09-08.
4. "Let's Hear It For The Hyundai Casper, The Cutest Micro SUV You Can't Have". Jalopnik. Retrieved 2021-09-01.
5. "Kia considering a 7-seat MPV instead of a 7-seat Seltos for India". Indianautosblog. 31 March 2020. Retrieved 2020-10-11.
6. "Hyundai i20 (2021) First Drive Impressions: Turbo power for popular Korean hatchback". AutoTrader.co.za. Retrieved 2022-06-12.
7. "Hyundai unveils Verna's latest version in India - 5th gen Verna to fuel competition in the sedan market". The Economic Times. Retrieved 2020-10-10.
8. "2017 Hyundai Verna in Pictures: Top features that make it stand out against other sedans". The Financial Express. 2017-08-22. Retrieved 2020-10-10.
9. Paukert, Chris. "2020 Hyundai Venue first drive review: Tart and tiny in the land of Oz". Roadshow. Retrieved 2020-10-12.
10. "KIA Rio признан "Продуктом года" в России". TopGear Russia (in Russian). Retrieved 2020-10-10.
11. Davis, Brett (2020-10-22). "2021 Hyundai i30 Sedan review – Australian launch". PerformanceDrive. Retrieved 2021-04-10. For starters, it's based on the company's latest K3 platform, which is essentially an evolution of the hatchback's K2 platform.
12. "2021 Hyundai i30 N-Line Premium review". WhichCar. Retrieved 2021-04-10. While the new i30 Sedan upgrades to the Hyundai K3 platform, the hatch remains on K2 architecture.
13. "MADE IN EUROPE: THE INNOVATIVE NEW KIA CEED". Kia Media (Press Release).
14. "Kia bullish on newest member of Ceed range". Automotive News Europe. 2019-10-09. Retrieved 2020-10-12.
15. "2020 Hyundai Venue review | Driving this new subcompact crossover". Autoblog. Retrieved 2020-10-12.
16. "2020 Hyundai Venue Review: What's Hot In This New Small Car?". Car's Life. 2019-11-19. Retrieved 2020-10-12.
17. ^ Sharma, Amit (2020-05-26). "What's Common Between Hyundai Venue And Upcoming Kia Sonet". India Car News. Retrieved 2020-10-10.
18. "Upcoming Hyundai 7-Seater SUV to be Called Alcazar - Its Official!". 24 February 2021.
19. "2020 Hyundai Creta To Share Engines, Platform With Kia Seltos". Outlook India. Retrieved 2020-10-10.
20. "The Mighty All-New 2021 Elantra - Hyundai Motor Group TECH". tech.hyundaimotorgroup.com. Retrieved 2020-10-12.
21. "All-New 2021 Hyundai Elantra and Elantra Hybrid Make World Premiere in Hollywood". HYUNDAI MOTORS. Retrieved 2020-10-12.
22. Huetter, John (2020-05-21). "2021 Hyundai Elantra: More hot-stamped steel, 'unconventional lines'". Repairer Driven News. Retrieved 2020-10-12.
23. "Kia Niro EV specs arrive - new design and platform, same battery and power". ArenaEV.com. Retrieved 2022-06-12.

• Hyundai-Kia platforms