The 2020 Honda Civic Sport uses 18-inch rims. Specifically, in the United States, Sport trims come with 18 x 7.5-inch alloy wheels paired with 235/40R18 tires.
This article explains the official specs, potential variations by market and body style, and how to verify the exact wheel size on your vehicle when shopping for replacements or upgrades.
Official wheel size for the 2020 Civic Sport
For US-spec Civics, the Sport trim typically rides on 18-inch aluminum alloy wheels with a width of 7.5 inches. The tires are commonly 235/40R18, designed to balance handling and ride comfort on both sedan and hatchback bodystyles.
Market and body-style variations
Wheel sizes can vary by market and body style. While the US Sport generally uses 18 x 7.5 wheels, certain markets or configuration options, including hatchback variants or different trims, may use the same or different diameters. Always confirm with the door jamb placard or the official specification sheet for your exact vehicle.
How to verify your vehicle’s wheel size
To confirm the exact rim size, check the tire sidewall for the tire size (for example, 235/40R18) and refer to the vehicle’s door jamb placard or owner's manual for the wheel diameter and width. If you're planning upgrades, ensure compatibility with bolt pattern, offset, and overall diameter.
Considerations for aftermarket rims
The stock rim size for the 2020 Civic Sport is 18 x 7.5 inches. When selecting aftermarket rims, maintain the same overall diameter to avoid speedometer and gearing changes, and ensure correct bolt pattern and offset for a safe fit.
Summary
The 2020 Honda Civic Sport uses 18-inch rims (18 x 7.5 inches) with 235/40R18 tires in the US market. Sizes may vary by market or body style, so verify using the door placard and owner’s manual before making replacements or upgrades.