What is the largest tire size that will fit a 2008 Toyota SR5 hilux?

The largest tire size that can typically fit a 2008 Toyota SR5 Hilux without significant modifications is around 31 inches in diameter, which usually corresponds to a tire size of 265/75R16. However, this can vary based on wheel width, offset, and suspension setup. It's advisable to check for any potential rubbing issues and consider lift kits or wheel spacers if larger tires are desired. Always consult with a tire professional for the best fitment options.