What is the OEM tire size on the 2018 Honda Civic Si?

The OEM tire sizes on the 2018 Honda Civic Si are: 235/40R18, 235/40R18. Sizes vary by vehicle options from the factory.

2018 Honda Civic Si Tires

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Filters

Quick Filters

Items On Sale

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Active Filters

Brands

None

Model

Aklimate
Azenis FK460 A/S
Ziex ZE960 A/S

Tire Type

None

Tire Width

None

Aspect Ratio
Aspect ratio is the sidewall height as a percentage of the tire's width. Example: 40 means the sidewall height is 40% of the width. Lower numbers = shorter, stiffer sidewalls; higher numbers = taller, cushier sidewalls.

None

Wheel Diameter

None

Tier

None

Tire Tag

None

Load Index

None

Tire Speed

None

Load Range

None

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2018 Honda Civic Si Tires

The cheapest and fastest place to buy performance tires; guaranteed. Get the perfect set for your 2018 Honda Civic Si, whether you need summer, winter, or all season tires. All orders come with free expedited shipping. Have questions? Talk to us below! ⬇️

Filters

Quick Filters

Active Filters

Brands

Model

Tire Type

Tire Width

Aspect Ratio
Aspect ratio is the sidewall height as a percentage of the tire's width. Example: 40 means the sidewall height is 40% of the width. Lower numbers = shorter, stiffer sidewalls; higher numbers = taller, cushier sidewalls.

Wheel Diameter

Tier

Tire Tag

Load Index

Tire Speed

Load Range

Filters

Quick Filters

Active Filters

Brands

Model

Tire Type

Tire Width

Aspect Ratio
Aspect ratio is the sidewall height as a percentage of the tire's width. Example: 40 means the sidewall height is 40% of the width. Lower numbers = shorter, stiffer sidewalls; higher numbers = taller, cushier sidewalls.

Wheel Diameter

Tier

Tire Tag

Load Index

Tire Speed

Load Range

Product Results

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Frequently Asked Questions

What is the OEM tire size on the 2018 Honda Civic Si?

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Select Your Car

2018 Honda Civic Si Tires

The cheapest and fastest place to buy performance tires; guaranteed. Get the perfect set for your 2018 Honda Civic Si, whether you need summer, winter, or all season tires. All orders come with free expedited shipping. Have questions? Talk to us below! ⬇️

Filters

Quick Filters

Active Filters

Brands

Model

Tire Type

Tire Width

Aspect RatioAspect ratio is the sidewall height as a percentage of the tire's width. Example: 40 means the sidewall height is 40% of the width. Lower numbers = shorter, stiffer sidewalls; higher numbers = taller, cushier sidewalls.

Wheel Diameter

Tier

Tire Tag

Load Index

Tire Speed

Load Range

Filters

Quick Filters

Active Filters

Brands

Model

Tire Type

Tire Width

Aspect RatioAspect ratio is the sidewall height as a percentage of the tire's width. Example: 40 means the sidewall height is 40% of the width. Lower numbers = shorter, stiffer sidewalls; higher numbers = taller, cushier sidewalls.

Wheel Diameter

Tier

Tire Tag

Load Index

Tire Speed

Load Range

Product Results

Dang! No Products

Shop other categories for your 2018 Honda Civic Si

Frequently Asked Questions

What is the OEM tire size on the 2018 Honda Civic Si?

Aspect Ratio
Aspect ratio is the sidewall height as a percentage of the tire's width. Example: 40 means the sidewall height is 40% of the width. Lower numbers = shorter, stiffer sidewalls; higher numbers = taller, cushier sidewalls.

Aspect Ratio
Aspect ratio is the sidewall height as a percentage of the tire's width. Example: 40 means the sidewall height is 40% of the width. Lower numbers = shorter, stiffer sidewalls; higher numbers = taller, cushier sidewalls.