History Channel and MotorTrend

Yes. The streaming services that offer History Channel include DIRECTV STREAM, Hulu + Live TV, Philo, Sling, 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 MotorTrent channel include YouTube TV, DIRECTV STREAM, Hulu + Live TV, Philo, and Sling TV Orange.
MotorTrend sells an app for $5.99 monthly or $54.99 if paying annually. There are no advertisements, and you have early exclusive access to MotorTrend shows.