Why is the Nissan GTR LM NISMO front engine with front wheel drive? I spoke with the engineers to find out exactly that. There are four reasons I found particularly important for understanding why the LMP1 car is front engine/FWD. It allows for the center of pressure to be efficiently placed over the center of gravity, it provides the potential for more energy recovery through the front axle, it essentially decreases the frontal area through influencing the front diffusers, and it allows for a more efficient rear diffuser when coupled with more narrow tires. Another benefit of using more narrow tires is that it reduces aerodynamic drag.
YouTube Channel - https://www.youtube.com/user/nismotv2013
Front Engine - https://youtu.be/5p4NiX4A8hw