The Tundra is a full size pickup truck developed and sold for the North American market by Toyota. The first model was rather small and struggled in sales. Because of this, Toyota expanded both the body size and engine displacement for the 2nd generation model that debuted in 2007. This led to greatly improved sales and made the Tundra a very popular model. From 2014, it underwent minor changes that give it powerful looks, and in 2015 the 'TRD Pro' version was introduced. This TRD Pro