1985 Porsche 928 Tire Size

The original tire size for your 1985 Porsche 928 is listed below. Tap on the box to view a color-coded explanation of the best Porsche 928 tire size.

The original tire size for your 1985 Porsche 928 is 225/50VR16 V.  A color-coded explanation of the 1985 Porsche 928's tire size is shown below.

225

This number indicates that your tire has a width of 225 millimeters.

16

The tire size was designed to fit rims or wheels that are 16 inches in diameter.

50

This number means that your tire has an aspect ratio of 50%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width.  In this case, the sidewall height works out to be 112 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
V

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.