Tanner and Rutledge head to the old west in souped up Mustangs to have a relay race against two riders on horseback from Dead Horse Point State Park to the .
Which is the best modern muscle car? Adam, Rutledge and Tanner drag race down the LA river. Rutledge begins in the 1970 Dodge Challenger, Adam in the .
Highlights from Top Gear USA, the American version of the worlds greatest car show.
