Check Out Honda’s Custom Cars and Trucks for SEMA 2021 Published on October 27, 2021 in SEMA by The Car Guide Photo: Honda Team Honda Research West Civic Si Race Car A new Civic Si race car built to compete in the National Auto Sports Association’s (NASA) 25-hour of Thunderhill sports car race in Northern California from Dec. 3-5 will also debut at SEMA. Output is 220 hp with 240 lb-ft of torque.