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Your Nearest Store:

1558 S Wabash Ave
Chicago, IL
312.462.0070

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Most stores are open nights and weekends

Store Hours:
Day(s) Hours
MON-FRI: 6:00am-8:00pm
SAT: 7:00am-6:00pm
SUN: 8:00am-5:00pm
CHRISTMAS EVE: 7:00am-4:00pm
CHRISTMAS DAY: Closed
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Your Nearest Store:

1558 S Wabash Ave
Chicago, IL
312.462.0070

firestone storefront
Most stores are open nights and weekends

Store Hours:
Day(s) Hours
MON-FRI: 6:00am-8:00pm
SAT: 7:00am-6:00pm
SUN: 8:00am-5:00pm
CHRISTMAS EVE: 7:00am-4:00pm
CHRISTMAS DAY: Closed
Schedule An Appointment Learn more about Brake Service

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We Know Tires

FIRESTONE COMPLETE AUTO CARE HAS PUT TIRES ON MORE CARS THAN ANY OTHER COMPANY.

Firestone Shield Logo with text, Whatever You Drive Drive A Firestone

20 Inch Tires

Compare a variety of top-notch 20-inch tires from Firestone Complete Auto Care. Our wide selection includes versatile all-season tires, tough 20-inch all-terrain tires, dependable winter tires, and even some that can help improve your fuel efficiency. Firestone Complete Auto Care can help you navigate your options and choose the right 20-inch tires for you based on your budget and driving style. All 20-inch tires are sorted by tire width, height, and diameter. Browse all the selection of tires we have to offer for your vehicle below.

What's My 20 Inch Tire Width?

If you need to know the width (or cross section) of your 20-inch tires, look for a series of number similar to: P245/50 R20. This number should be on the vehicle's tire information placard on the inside of the driver's side door or printed on the sidewalls of your current tires. The width of your tires in millimeters (mm) will be the first number in the series. In this example, the tire's width would be 245mm.

How to Find the Height of 20 Inch Tires

You can find the height (or aspect ratio) of your tires in the same series of numbers as the width, found either on the inside of your driver's side door or on the sidewalls of your current tires. In the example P245/50 R20, the number directly after the / refers to the height of your tires, which means the height would be 50.

The aspect ratio (height) is given as a percentage of the tire's width. In the example above, the 20-inch tires would be 50% as high as they are wide. 50% of 235mm is 122.5mm. Converted to inches, the height of this 20-inch tire is 4.82 inches. The height is measured from the wheel rim to the top of the tread.

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