Quote:
Originally Posted by JARblue
Not exactly. It depends on what you want to get out of the car. The engineers have to account for too many variables in their design and execution to maximize the Z's performance. Safety requirements and cost are probably the most severe restrictions.
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I totally agree, everything is a tradeoff for manufacturers especially these days...and while it's true that there is little to no improvement in actual "performance" by putting beefier tires on your car, it makes the car look better IMO and it definitely extends the life of the tire. Does it make the car slightly slower and less fuel efficient due to the higher rotational mass of the extra rubber? It must and probably does but I can't tell by butt dyno or by personal observed mpg.