There have been two cars known as the Opel GT. The first was a two-seat sports car produced by Opel from 1968 to 1973. It was based on the Chevrolet Corvette platform and was powered by a 2.0-liter engine that produced 110 horsepower. The second Opel GT was a two-door coupé produced by Opel from 2006 to 2016. It was based on the GM Delta platform and was powered by a 1.8-liter engine that produced 140 horsepower.