Wondering to know what is the best tire size for 15x8.5" rims? Many car owners face this tire sizing issue when it comes to finding the right tire size for 15x8.5 rims while the reverse may be also true. Autotk.com is here to help you explore the correct tire size for 15x8.5 rims comparing factory vs custom setups as some people want to play it on the safe side while car tuners love to mount aftermarket rollers.

Another common question asked is what would be the biggest tire size you can run on the aftermarket 15x8.5" rims. In our database you can find answers to all these questions as we have stock wheel set-ups recommended by the manufacturers and custom tire sizes fitting on 15x8.5 rims with pics from car enthusiasts that chose to go beyond the factory specs.

For those who had their ride lowered or want to put stretched tires on 15x8.5 rims, we have real life examples from car tuners with photos of the wheel setups. In this case the right tire size for 15x8.5 wheels means the tires do not rub against the suspension.