Test your knowledge with our quiz on episode 4!
The Grand Tour: Episode 4 Quiz
A BMW, a Porsche, a whole lot of attempts at being environmentally friendly and much more! Episode 4 was a nice little mashup of all that plus a new take on a reverse camera for your car! Woohoo! So what did we learn from it all? Let's find out. *HINT* Check X-Ray to learn more