The makers were very careful that the pictures of the chase sequence don't get leaked. It was a well-guarded shoot. To ensure this mammoth task was carried successfully, Hollywood action director, Andy Armstrong was roped in to shoot the chase sequence.
Before the actual filming, Hrithik did some dry runs of the car he was going to drive. Once he was comfortable with it, they stared filming. Also, all the cars from the shoot were hired from Abu Dhabi, They all are high end cars. But the car that Hrithik was using remains a mystery.