BMW M4, Audi R8, Lamborghini Aventador and Ken Block’s Ford Fiesta in the new Castrol ad

Castrol, the oil manufacturer, has unveiled a new and unique commercial for its EDGE product.
 
The new Castrol ad features Ken Block along with his Ford Fiesta, Audi Sport DTM racing driver Mike Rockenfeller on the Audi R8, the South African driver Adrian Zaugg on the Lamborghini Aventador and BMW factory racing pilot Augusto Farfus on the BMW M4.
 
All the cars are racing around on a special course and the end result is very entertaining.