Tire Size 225/45r17 vs 235/45r17
Switching from 225/45R17 to 235/45R17 tires is a popular choice among vehicle owners looking to enhance their driving experience. While the difference in size may seem small, it can have a noticeable impact on your vehicle’s performance, both on and off the road.
- The overall diameter difference between 225/45R17 and 235/45R17 tires is within the acceptable range
- The width of 235/45R17 tires is 0.39 inches (10 mm) wider than 225/45R17 tires
- The sidewall height of 235/45R17 tires is 0.18 inches (4.5 mm) taller than 225/45R17 tires
- The speedometer reading will be slightly affected, with the actual speed being marginally higher than the indicated speed
225/45r17 vs 235/45r17 Table
The main difference between the tire sizes 225/45r17 and 235/45r17 is in their width. The 235/45r17 tire is wider by 0.39 inches (10mm), which equates to a 4.4% increase in width compared to the 225/45r17 tire.
Fitment Guide
When considering switching from 225/45R17 to 235/45R17 tires, it’s essential to ensure that the overall diameter difference falls within the acceptable range of 3%.
In this case, the diameter difference is 1.4%, which is well within the acceptable limits. As a result, the interchange between these two tire sizes is recommended and should not require any significant adaptations.
On-Road Impact
Driving on paved roads with 235/45R17 tires can offer several benefits and minor drawbacks compared to 225/45R17 tires.
- Ride Comfort: The slightly taller sidewall of 235/45R17 tires may provide a marginally more comfortable ride, as the increased air volume helps absorb road imperfections more effectively.
- Handling: The wider tread of 235/45R17 tires can offer improved stability and cornering performance, particularly in dry conditions. However, the difference may be subtle and not noticeable to all drivers.
- Speedometer Accuracy: Due to the 1.4% difference in overall diameter, the speedometer reading will be slightly affected. At a speedometer reading of 20 mph (32.19 km/h), the actual speed will be 20.28 mph (32.64 km/h). This difference is minimal and should not cause any significant concerns.
- Gas Mileage: The wider tread of 235/45R17 tires may result in a slight increase in rolling resistance, which could lead to a minor reduction in fuel efficiency. However, the impact on gas mileage is likely to be negligible for most drivers.
Off-Road Impact
When venturing off the beaten path, the switch from 225/45R17 to 235/45R17 tires can provide some advantages.
- Ground Clearance: The taller sidewall of 235/45R17 tires can slightly increase ground clearance, which may be beneficial when navigating rough terrain or obstacles.
- Traction: The wider tread of 235/45R17 tires can provide improved traction on loose surfaces, such as gravel or mud, thanks to the increased contact patch with the ground.
- Durability: The larger tire size may offer enhanced durability and resistance to punctures or damage when faced with off-road hazards like rocks or debris.
Can I use 235/45r17 instead of 225/45r17?
Yes, you can replace 225/45R17 tires with 235/45R17 tires. The overall diameter difference between the two sizes is only 0.35 inches (9mm), which is a 1.4% difference. This is well under the 3% limit recommended for direct replacement without any modifications or clearance issues.
Additionally, when replacing tires, you must match or exceed your original tires’ load rating. As long as the 235/45R17 tires you select have the appropriate load rating for your vehicle, they can directly replace the 225/45R17 size.
What is the Difference Between 225/45R17 and 235/45R17?
The main difference between 225/45R17 and 235/45R17 tires lies in their width. The 235/45R17 tire is 0.39 inches (10 mm) wider than the 225/45R17 tire.
This difference in width can affect various aspects of vehicle performance, such as handling, stability, and traction. The wider tire may provide improved grip and cornering abilities, especially in dry conditions, but may also slightly impact fuel efficiency due to increased rolling resistance.
How Much Taller Is a 235/45R17 Tire Than a 225/45R17?
A 235/45R17 tire is approximately 0.35 inches (9 mm) taller than a 225/45R17 tire. The overall diameter of a 225/45R17 tire is 24.97 inches (634.3 mm), while the overall diameter of a 235/45R17 tire is 25.33 inches (643.3 mm).
This difference in height is relatively small and should not significantly affect the vehicle’s ground clearance or overall performance.
How Much Wider is a 235/45R17 Tire Than a 225/45R17?
A 235/45R17 tire is 0.39 inches (10 mm) wider than a 225/45R17 tire. The width of a 225/45R17 tire is 8.86 inches (225 mm), while the width of a 235/45R17 tire is 9.25 inches (235 mm).
This difference in width can provide a larger contact patch with the road surface, potentially improving traction and handling in certain driving conditions.
Our Observation
Based on the data provided, switching from 225/45R17 to 235/45R17 tires can offer some benefits, particularly in terms of improved handling and traction.
The wider tread and slightly taller sidewall of the 235/45R17 tires may enhance stability, cornering performance, and off-road capabilities.
However, it’s essential to note that the differences in ride comfort, speedometer accuracy, and gas mileage are likely to be minimal and may not be noticeable to most drivers.
Ultimately, the decision to switch tire sizes should be based on your specific driving needs and preferences, as well as your vehicle’s compatibility with the new tire size.
Meet Caitlin McCormack, a Tire Size Expert and Blogger Passionate About Everything Related to Tires. With Years of Experience in the Tire Industry, Caitlin Has Become an Expert in Tire Sizes and Their Impact on Vehicle Performance.