Attatched are two Images, the contact patch markings seen occured on my driveway after it rained.
These are from when I had my stock sized tires on my Nismo wheels, 245/40R19 front and 285/35R19 rear.
As you can see, the narrower front 245 tire has less width, but more length so that it looks more square.
The wider rear 285 tire has more width, but less length as it doesn't flatten as far due to the larger surface area it has it support it's given weight, and therefore looks like a rectangle. (granted, there is more weight on the front tires than the rears but I also run a few more psi in the front. I usually have them rear 34psi, front 36-37psi. Also, the car was on an uphill driveway with a small degree/angle, so there is a little more weight on the rear tires, and a little less weight on the front tires than usual)
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