The platforms were developed as part of a company-wide effort to simplify the vehicles being produced by Toyota. Before the introduction of the TNGA, Toyota was building roughly 100 different platform variants.[3] As of 2020[update], the five TNGA platforms underpin more than 50% of Toyota vehicles sold worldwide and is expected to underpin about 80% by 2023.[4]
Each platform is based on a standardized seat height that allows for sharing of key interior components such as steering systems, shifters, pedals, seat frames and airbags.[5] These components are often less visible, allowing for cars that share platforms to have unique interiors. Compared to Toyota's older platforms, TNGA costs 20 percent less to produce while offering increased chassis stiffness, lower centers of gravity for better handling and lower hood cowls for better forward visibility.[3]
The TNGA platform was developed alongside theDynamic Force engine, which similarly is replacing more than 800 engine variants with a much simpler lineup of 17 versions of nine engines.[3] Toyota is also simplifying its lineup of transmissions, hybrid systems, and all-wheel drive systems.
The TNGA-B platform underpinsunibody vehicles in theA-segment orcity car,B-segment orsubcompact car,subcompact crossover SUV, andmini MPV categories. Developed by the internal "Toyota Compact Car Company",[6][7][8] the platform is offered in both front-wheel drive and all-wheel drive variants and is paired with atransverse engine.[9][10] The platform also supports a wheelbase length of 2,430–2,750 mm (95.7–108.3 in), while only supporting three-cylinder engines.[11] The TNGA-B replaces the olderB platform.
The TNGA-C platform underpins unibody vehicles in theC-segment orcompact car, subcompact/compact crossover SUV, andcompact/mid-size MPV categories. The platform is offered in both front-wheel drive and all-wheel drive variants and is paired with a transverse engine. The platform also supports a wheelbase length of 2,640–2,850 mm (103.9–112.2 in). The TNGA-C replaces the olderMC/New MC platforms.
The TNGA-F platform underpinsbody-on-frame vehicles in the mid- and full-sizeSUV and mid- and full-sizepickup truck categories.[31] It supports a wheelbase length of 2,850–4,180 mm (112.2–164.6 in).
The TNGA-K platform underpins unibody vehicles in theD-segment ormid-size car,E-segment orfull-size car, compact/mid-size crossover SUV, andlarge MPV categories. The platform is offered in both front-wheel drive and all-wheel drive variants and is paired with a transverse engine. The platform also supports a wheelbase length of 2,690–3,060 mm (105.9–120.5 in). The TNGA-K replaces the olderK platform.
The TNGA-L platform underpins unibody vehicles in the E-segment orexecutive car,F-segment orfull-size luxury car, andS-segment orgrand tourer categories. The platform is offered in both rear-wheel drive and all-wheel drive variants and is paired with alongitudinal engine. The platform also supports a wheelbase length of 2,870–3,125 mm (113.0–123.0 in). The Crown was also produced with a narrow version at 1,800 mm (70.9 in) wide. The TNGA-L replaces the olderN platform.
e-TNGA is a modular platform dedicated tobattery electric vehicles, which was announced in October 2019.[57] Internally known as the 40PL platform,[58] the platform will enable offering various type and size of vehicles, different battery capacity and with front-wheel drive, rear-wheel drive or dual motor all-wheel drive. This vehicle architecture is partitioned into five modules. These are the front module, center module, rear module, battery and motor. Up to three versions of each module are in development, including three capacities for thelithium-ion battery.[59][60][61] The first e-TNGA-based model is thebZ4X crossover, which was presented for the first time in April 2021.[62] Other vehicles planned by 2025 include a medium SUV, a medium minivan, a medium sedan, and a large SUV.[63] ForSubaru-badged models, the platform is also known as thee-Subaru Global Platform (e-SGP).[64][65]
^"世界基準のコンパクトカー誕生！ 新型「ヤリス」のこだわりポイントを紹介" [World-class compact car is born! Introducing the particular points of the new "Yaris"].GAZOO.com (in Japanese). 20 December 2019. Retrieved3 August 2021.
^"Toyota Launches the New Sienta in Japan".Toyota Global Newsroom (Press release). Toyota City, Japan: Toyota Motor Corporation. 23 August 2022. Retrieved23 August 2022.
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