Dizi Adı: The Grand Tour
Bölüm Adı: Enviro-mental
Sezon/Bölüm: 1. Sezon 4. Bölüm
Yayın Tarihi: 8 Ara. 2016

The studio tent is back in Whitby, England as Jeremy Clarkson introduces an almost impartial test of the Porsche 911 GT3 RS against the BMW M4 GTS, and the three hosts attempt to make cars from sustainable materials. Comedian Jimmy Carr is the celebrity guest.