Hum3D has already started sixth annual challenge for the best Car rendering. The task is the same as each year. Just create your 3d model of the car and good 3D environment for it. Then you have to render it. How to do it is up to you. You can create any car you want. You can add your 3d model here  https://hum3d.com/car-challenge-2019/ now or at any time till December 4. You can read more detailed rules of the competition at Hum3D website. Is anybody here who wants to take part in this challenge?