tire size advice for sierra
ive seen several topics on sierra tire size, but none really answer my questions properly.
i have 215/75r15 tires on my sierra, and i want to upgrade to something like 30-31" on it. it has a 2" lift, so hoping they'll fit.
what i want to know is how they will affect the performance of the car?... such as speed, power and fuel economy both on and off the roads?
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