Toyota RI engine

The Toyota RI is a family of prototype four-stroke 2.0-litre single-turbocharged inline-4 racing engines, developed and produced by Toyota, for the Super GT series and Super Formula under the Nippon Race Engine framework. The RI engine is fully custom-built.

Versions

The RI engine comes in two different versions for different applications; the RI4A for use in Super Formula and the RI4AG for use in Super GT.

• RI4A (2013–present, also known as TRD-01F)
• RI4AG (2013–2023)
• RI4BG (2024-present)

Applications

• Dallara SF14
• Dallara SF19
• Dallara SF23
• Lexus RC F GT500
• Lexus LC 500 GT500
• Toyota GR Supra GT500

See also

• Honda HR-414E/HR-417E/HR-420E engine, similar engines also developed under the Nippon Race Engine framework
• Nissan NR engine, similar engine also developed under the Nippon Race Engine framework

References