The 2015 Toyota Corolla lug nut size is 20 mm hex. Making sure Your tires are in the greatest of condition is key to not crashing. You will come into issues with this part at some time or another. You might run into feathering issues. Premature tire wear is something to be on the lookout for. You could face cupping problems. Check for holes, in case You run over a nail. The part may become loose at some point. Make sure to check the tire pressure once a month. This part will need to be replaced eventually. You should change Your tires every 30,000 to 50,000 miles or so. You don't want to get into any wrecks on the road.
John
December 20, 2021
Mine is 21 mm.
Robin J
July 16, 2020
The 2015 toyota corolla has a m12 x 1.50 With a 20mm hex lug nuts.
Jon
July 7, 2023
A 13/16” SAE socket which is equivalent to 20.62mm is too small. Bought a 21mm socket at Advanced auto and it fits perfectly
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