The Nike ONE Grant-T concept car was designed by Phil Frank, Head of Principal Phil Frank Design, LLC. Famous for the design of the Saleen S7, the small design team was approached to design the vehicle as part of the GT4/Nike collaboration.

The join came as a surprise to Polyphony's press conference attendees when company president, Kazunori Yamauchi announced the decision for the product-in-game placement. Also at the ceremony was Nike co-president Mark Parker as well as two of the Nike ONE designers, Phil Frank and Takuya Asano.

The design is a swooping roof bearing the legendary Nike Swoosh logo covering one bucket seat that's designed to accommodate a stretched-out driving posture, rather like a motorcyclists. The minimalist design is inspired by Nike founder, Bill Bowerman's principles of less is more.