The Grand Tour viewing figures are a mystery to us, say show's stars | The Grand Tour | The Guardian
Leaked Amazon Prime Video viewing figures reveal The Grand Tour's true success | Radio Times
How many viewers does The Grand Tour have in comparison to Top Gear's viewership before its three presenters were fired by the British Broadcasting Corporation (BBC)? - Quora
Flop Gear? Jeremy Clarkson has the last laugh as Top Gear ratings stall | TV & Radio | Showbiz & TV | Express.co.uk
Netflix, Prime & Hulu Audience Data: Comparing "The Grand Tour" with Their Hit, Binge-watched Scripted Series - Documentary Business