It did, in 2019 at Fuji. Also, three GT500 cars were fielded at Hockenheim the same year.
https://www.motorsport.com/supergt/news ... s/4601695/
https://www.motorsport.com/supergt/news ... s/4602056/
https://en.wikipedia.org/wiki/2019_2nd_ ... _DTM_round
GT3 format was adopted probably because the cars are less expensive that the previous LMP-level silhouette cars. Also allows all the four main German manufacturers to field a car.
2020 and prior chassis vs. GT3 type chassis:
