Porsche is a subtheme of Speed Champions that consists of 6 sets that ran from 2015 to 2019. Most sets were released in 2018 which accounted for 2 sets. As of today, the average annual growth of all the sets in Speed Champions Porsche is around 17.9% but this should level out to around 12.5% in the coming years.
Speed Champions is a LEGO theme introduced in 2015 that sets are semi-accurate models of iconic and exotic racing cars and supercars with authentic details of existing brands created using LEGO bricks.