2018 Chevy Bolt EV Tire Size

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

Trim Options:

LTPremier

215/50R17 91H

Simplified Size:  215-50-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Chevy Bolt EV is 215/50R17 91H.  A color-coded explanation of the 2018 Chevy Bolt EV's tire size is shown below.

215

This number indicates that your tire has a width of 215 millimeters.

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 107 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
17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

91

This tire has a load index of 91, which means it's capable of carrying a load of 1353 pounds (615 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.