Tire Size 325/60r20 vs 35×12.50r20
Changing your vehicle’s tire size can have various effects on its performance, both on and off the road. If you’re considering switching from 325/60R20 to 35×12.50R20 tires, it’s essential to understand the differences between these sizes and how they may impact your driving experience.
- The diameter difference is less than 1%, well within the acceptable range.
- Width decreases slightly, potentially improving fuel efficiency.
- Sidewall height reduction may lead to a marginal change in ride comfort.
- Speedometer accuracy is minimally affected, with a difference of less than 0.2 mph at 20 mph.
325/60r20 vs 35×12.50r20 Table
The primary difference between 325/60R20 and 35×12.50R20 tires lies in their width and sidewall height. The 35×12.50R20 tires are 0.28 inches (7 mm) narrower and have a 0.17-inch (4.2 mm) shorter sidewall compared to the 325/60R20 tires.
Fitment Guide
According to the data provided, the diameter difference between 325/60R20 and 35×12.50R20 tires is -0.33 inches (-8.4 mm), which is within the acceptable range of 3%.
This means that switching from 325/60R20 to 35×12.50R20 tires is generally considered safe and should not require any significant modifications to your vehicle.
On-Road Impact
When driving on paved roads, the switch from 325/60R20 to 35×12.50R20 tires may have a slight impact on your vehicle’s performance. Here are some factors to consider:
- Ground Clearance: The shorter sidewall of the 35×12.50R20 tires may result in a minor reduction in ground clearance, but the difference is negligible and unlikely to affect most drivers.
- Gas Mileage: The narrower width of the 35×12.50R20 tires may lead to a slight improvement in gas mileage due to reduced rolling resistance. However, the difference is likely to be minimal and may not be noticeable in everyday driving.
- Ride Comfort: The shorter sidewall of the 35×12.50R20 tires may result in a slightly firmer ride compared to the 325/60R20 tires. This difference may be more noticeable on rough or uneven road surfaces.
- Speedometer Accuracy: The speedometer reading will be slightly affected by the tire size change. At a speedometer reading of 20 mph, your actual speed will be 19.81 mph. This difference is minor and can be easily compensated for by being mindful of your speed.
Off-Road Impact
If you frequently take your vehicle off-road, the switch from 325/60R20 to 35×12.50R20 tires may have some effects on your off-road performance:
- Traction: The narrower width of the 35×12.50R20 tires may provide slightly less traction in loose or muddy conditions compared to the wider 325/60R20 tires. However, the difference is minimal and may not be noticeable in most off-road situations.
- Durability & Wear: The shorter sidewall of the 35×12.50R20 tires may make them slightly more susceptible to damage from rocks or other obstacles encountered off-road. However, this difference is not significant and can be mitigated by careful driving and proper tire maintenance.
What is the Difference Between 325/60R20 and 35×12.5R20?
The main difference between 325/60R20 and 35×12.5R20 tires lies in their width and sidewall height. The 325/60R20 tire is 0.28 inches (7 mm) wider and has a 0.17-inch (4.2 mm) taller sidewall compared to the 35×12.5R20 tire.
These differences in width and sidewall height can slightly affect the vehicle’s handling, ride comfort, and overall appearance.
Can I Use 35×12.5R20 Instead of 325/60R20?
Yes, you can use 35×12.5R20 tires instead of 325/60R20 tires. The overall diameter difference between these two sizes is -0.33 inches (-8.4 mm), which is within the generally accepted range of 3%.
This means that switching from 325/60R20 to 35×12.5R20 tires should not cause any significant issues with your vehicle’s performance or safety.
How Much Taller Is a 325/60R20 Tire Than a 35×12.5R20?
A 325/60R20 tire is approximately 0.33 inches (8.4 mm) taller than a 35×12.5R20 tire. The 325/60R20 tire has a diameter of 35.35 inches (898 mm), while the 35×12.5R20 tire has a diameter of 35.02 inches (889.6 mm).
Although this difference is relatively small, it can still have a slight impact on your vehicle’s ground clearance and overall appearance.
How Much Wider is a 325/60R20 Tire Than a 35×12.5R20?
A 325/60R20 tire is approximately 0.28 inches (7 mm) wider than a 35×12.5R20 tire. The 325/60R20 tire has a width of 12.8 inches (325 mm), while the 35×12.5R20 tire has a width of 12.52 inches (318 mm).
This difference in width can affect the tire’s contact patch with the road surface, which may result in minor changes to the vehicle’s handling and stability.
Our Observation
Based on the data provided, switching from 325/60R20 to 35×12.50R20 tires is a viable option for most vehicles. The differences in size and performance are minimal and unlikely to have a significant impact on your driving experience, both on and off the road.
The slightly narrower width and shorter sidewall of the 35×12.50R20 tires may result in minor changes to ride comfort, traction, and durability, but these differences are generally negligible.
Ultimately, the decision to switch tire sizes depends on your personal preferences and driving needs. If you prioritize a slightly firmer ride and potential improvements in gas mileage, the 35×12.50R20 tires may be a suitable choice.
However, if you prefer a softer ride and maximum traction in off-road conditions, sticking with the 325/60R20 tires may be the better option.
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.