Genovation's Modified Chevy Corvette Is The Fastest Street Legal Electric Car At 186.8 MPH Genovation's GXE, a modified 2006 Z06 Chevrolet Corvette, is now the world's fastest street-legal all-electric car with a top speed of 186.8 mph. The vehicle is capable of pumping out over 700 horsepower and 600 pound-feet of torque. by Aaron Mamiit