2018 Toyota Yaris iA Tire Size

The original tire size for your 2018 Toyota Yaris iA is listed below. Tap on the box to view a color-coded explanation of the best Toyota Yaris iA tire size.

P185/60R16 86H

Simplified Size:  185-60-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Toyota Yaris iA is P185/60R16 86H.  A color-coded explanation of the 2018 Toyota Yaris iA's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
185

This number indicates that your tire has a width of 185 millimeters.

60

This number means that your tire has an aspect ratio of 60%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% of the width.  In this case, the sidewall height works out to be 111 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
16

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

86

This tire has a load index of 86, which means it's capable of carrying a load of 1166 pounds (530 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

H

This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.