Board Thread:Game Discussion/@comment-27506598-20180906175935/@comment-33870577-20180920142934

That's correct. AM teams are not allowed to even buy current gen/year cars, so for 2018 all of them are using 2017 models, in 2017 they were using 2016 cars etc. Cars from 2018-19 will become available to buy for AM teams in 2019-20 season.