Michael Bay has revealed that a Sonic RS Rally Car will appear in Transformers 4. The only thing his site said is this:
“The Ultimate Sonic RS, just pure fun.”
Starring Mark Wahlberg, Jack Reynor, Nicola Peltz, Stanley Tucci, Kelsey Grammer, Sophia Myles, Li Bingbing and T.J. Miller, the fourth installment hits theaters on June 27, 2014.