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How big of a tire can you fit on a stock F150?

The Ford F150 is a popular and versatile pickup truck, and many owners are interested in upgrading the tires to improve the vehicle's appearance, performance, or off-road capabilities. However, the maximum tire size that can be fitted on a stock F150 is limited by various factors, including the vehicle's suspension, clearance, and wheel well dimensions. In this article, we'll explore the details of how to determine the largest tire size that can be safely and legally installed on a stock F150.


Factors Affecting Tire Size


The primary factors that determine the maximum tire size for a stock F150 include:



  • Wheel Well Clearance: The space available in the wheel wells must be sufficient to accommodate the larger tires without causing interference with the suspension components or the body of the vehicle.

  • Suspension Travel: The suspension system must have enough travel to allow the larger tires to move up and down without causing damage or excessive wear.

  • Speedometer Accuracy: Larger tires can affect the accuracy of the vehicle's speedometer, which must be taken into account to ensure compliance with local laws and regulations.

  • Gearing and Drivetrain: Larger tires can affect the gearing and performance of the vehicle's drivetrain, potentially leading to decreased fuel efficiency or reduced towing capacity.


It's important to carefully consider these factors when selecting a tire size for your stock F150 to ensure safe and legal operation of the vehicle.


Maximum Tire Size for a Stock F150


According to the information gathered from various sources, the largest tire size that can be safely and legally installed on a stock Ford F150 is typically a 35-inch tire. This tire size can be accommodated by the vehicle's suspension and wheel well clearance without causing any major issues. However, it's important to note that the exact maximum tire size may vary depending on the specific model year, trim level, and other factors of the F150 in question.


It's always recommended to consult with a professional tire and wheel specialist or the vehicle manufacturer to determine the maximum tire size that can be safely installed on your particular F150 model. Improper tire selection can lead to safety issues, decreased performance, and potential legal problems.


Modifying the F150 for Larger Tires


If you're interested in installing tires larger than the stock 35-inch size on your F150, you may need to consider making modifications to the vehicle. This can include:



  • Suspension Lift: Installing a suspension lift kit can provide additional clearance for larger tires, allowing you to fit tires up to 37 or 38 inches in diameter.

  • Wheel and Fender Modifications: Cutting or flaring the fenders can create more space for larger tires, but this may require specialized expertise and may not be legal in all areas.

  • Gearing and Drivetrain Upgrades: Larger tires may require changes to the vehicle's gearing or other drivetrain components to maintain proper performance and fuel efficiency.


It's important to note that any modifications to the F150 should be performed by a qualified professional and in compliance with local laws and regulations. Improper modifications can compromise the vehicle's safety, handling, and legal compliance.

What size tire can I fit on a stock F-150?


10th Generation (1997–2003)

ConfigurationFactory Tire Size(s)
2WD SuperCab235/70R16 245/75R16 255/70R16 275/60R17
2WD SuperCrew255/70R16 275/60R17 265/70R17
4WD Regular Cab235/70R16 245/75R16 255/70R16 265/70R17
4WD SuperCab235/70R16 245/75R16 255/70R16 265/70R16 265/70R17 275/60R17



Will 33s fit on a stock F-150?


Yes it will work! I had a 33/10.50r20 on my f150.



Are 275 or 285 tires taller?


The numbers 275 or 285 refer to the width of the tire in millimeters. So, a 275 tire is 275mm wide, and a 285 tire is 285mm wide. That 10mm difference affects grip, handling, fuel consumption, and the amount of space the tire occupies under your fender.



Can you fit 35 inch tires on a stock F-150?


With the right components, you can fit 35-inch tires on your 2024 Ford F-150 without any trimming or cutting.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.