Frequently Asked Questions
It refers to the detailed tire specifications. Specifically, 235 is the width in millimeters, 50 is the aspect ratio (sidewall height as a percentage of width), R indicates radial construction and 18 is the wheel diameter in inches.
With a width of 235 millimeters, these tires measure around 9.25 inches wide. This provides an optimal footprint for grip and stability.
These tires are designed to fit on an 18-inch wheel or rim diameters. The wheel width should match the tire dimensions for a safe and correct fit.
Yes, the 235/50R18 is the original equipment (OE) tire size specified for the 2009 Nissan Maxima. So these will be direct replacements that fit perfectly.