1969 Porsche 917

Front and side view of a green Porsche 917 race car featuring #56 racing number, aerodynamic low-profile body, dual headlights under rounded glass covers, and multiple sponsor decals.

Green Porsche 917 race car with #56 livery and aerodynamic body.Alexander Migl, CC BY-SA 4.0 <https://creativecommons.org/licenses/by-sa/4.0>, via Wikimedia Commons