What is the biggest tire you can put on your Chevy Colorado its a 4 cyclender?

The biggest tire size that can be installed on a Chevy Colorado with a 4-cylinder engine depends on the specific year and model of the truck, as well as the desired level of modification. However, generally speaking, the largest tire size that can be fitted without significant modification is a 265/75R16 or 245/75R17 tire.

Installing larger tires may require modifications to the suspension and/or wheel wells to prevent rubbing or interference. Additionally, it's important to note that larger tires can affect the vehicle's overall performance, including acceleration, braking, and fuel efficiency, so it's important to carefully consider the pros and cons before making any modifications.

For the most accurate information on the maximum tire size for your specific Chevy Colorado, it is recommended to consult with a qualified mechanic or tire specialist who is familiar with the vehicle and its specific model year and configuration.