Rumors about a more powerful variant of the Toyota GR Supra have been circulating online for many years, but their stubborn persistence makes them a little more plausible.<br /> Recent reports from Japan are heating up rumors about the Supra GRMN, which could serve as a precursor to the demise of the current generation of the model before the iconic nameplate moves into the future of electric vehicles.<br />The common base between Toyota GR Supra and BMW Z4 means that the Japanese automaker can give the sports car more power, taking advantage of cooperation with the BMW M division.
