This is an ’84 Buick Grand National that was at the Integrity Tire Center Car Show in July of 2021. The Buick Regal is a mid-sized car that was originally made between 1973 and 2004. This is from the second generation, which was made between 1978 and 1987. The Grand National was made between 1982 and 1987. This one was modified to be powered by a 6.2 liter LS3 V8 that produces 430 horsepower and 424 pound-feet of torque. The transmission is a 4-speed automatic.