History Channel and MotorTrend

Yes. The streaming services that offer History Channel include Hulu + Live TV, DIRECTV STREAM, Philo, Sling, Vidgo, Frndly TV, some content on Peacock, and some content on discovery+.
History has an app, but you’ll need to subscribe to a streaming provider to view the shows.
Yes. The streaming services that offer MotorTrend channel include YouTube TV, Hulu + Live TV, Philo, Fubo, Vidgo, and Sling TV.
MotorTrend sells an app for $4.99 monthly or $44.99 if paying annually. There are no advertisements, and you have early exclusive access to MotorTrend shows.