The performance of a vehicle is not just because of its engine size. Instead, the aggregate of the individual performances of various parts, including the tires, determines the overall performance. Tire manufacturers produce tires in a certain way for a reason, and certain vehicles have distinctive tire designs that suit their needs.
For instance, compact cars are equipped with tires that perform best on highways compared to driving off-road. The tire industry is divided over the differences between the 275 55R20 and 275 60R20 sizes as these are made for larger SUVs and pickup trucks, yet there are significant differences between the two. Even though people are knowledgeable about tire brands, speed ratings, and other topics, they rarely discuss the difference in tire size.
In our guide, you can look at these two tires and compare the differences. By the end, you’ll see how the diameter differs, as well as the tire sizes. One could be better for your SUV at higher speeds, while the other is more suited to mud plugging off-road. Either way, you’ll know how to pick between the two to meet your needs. (Read What Does DTE Mean On A Car)
What Size Tire is 275-60R20?
First, you need to know that the phrase “275-55R20 or 275-60R20” refers to a tire type and includes a four-part measurement.
It is further divided into the following:
275 55R20
- 275: Tire width in mm or 10.82 inches
- 55: Tire aspect ratio of height/width
- R: Radial construction
- 20: Rim diameter (in inches)
From the information above, you can simply define a 275 55R20 tire as a vehicle tire with a section width of 10.82 inches, rim diameter of 20 inches, rim width range of 7.50 inches to 9.50 inches, and overall diameter of 31.91 inches.
You’ll see this tire is intended for:
- RAM 1500
- Ford F-150
- Toyota Tundra
- Chevrolet Suburban
- Jeep Wrangler, etc.,
How tall is a 275 60R20 tire?
It is relatively easy to explain this specific tire and determine the differences between 27560R20 Vs. 27550R20 now that you know the tag “275 60R20” from the description of the 275 55R20 tire above.
A 275 60R20 tire is a huge SUV or pickup truck tire with a section width of 10.8 inches, a rim diameter of 20 inches, a circumference of 103.6 inches, and an overall diameter of 33 inches.
The wheels are in range from 7.5 inches to 9.5 inches and designed for larger SUVs and pickup trucks like:
- GMC Yukon
- Toyota Tundra
- Ford F-150
- Dodge RAM 1500, etc.
275 55R20 Vs 275 60R20 Differences
The 275 60R20 is just the latest version of the 275 55R20. Their designs and tire size show some subtle variances.
275 55R20 vs. 275 65R20: what’s the difference? The table below compares 275 55R20 and 275 60R20 tire size comparison and other dimensions.
275 60R20
- Section width 10.8 inches
- Overall diameter 33 inches
- Circumference 103.6 inches
- Revs per mile 612
- Sidewall height 6.5 inches
- Aspect Ratio 60
275 55R20
- Section width 10.8 inches
- Overall diameter is 31.9 inches
- Circumference 100.2 inches
- Revs per mile 651.84
- Sidewall height 6 inches
- Aspect Ratio 55
Overall Diameter
Outer diameter is a tire’s entire size. It’s measured by the top sidewall above the wheel and the lower sidewall height where it touches the ground.
In a tire size comparison, you can see the 275 60R20 diameter is 33-inches, and the diameter differs from 275 55 R20’s 31.9 inches.
275 55R20 and 275 60R20 are the same size. There are some important distinctions between these two tires.
Tire size figures show you how big your wheels will be and what rim diameter you need. Each tire’s width controls how much rubber touches the road when driving.
Both sizes are 20-inch rims—the number refers to their diameter. Larger diameter tires give superior hydroplaning resistance, traction, and handling in wet situations.
Suppose you have limited space under your car’s hood or fender well. In that case, a larger-diameter tire may not be suitable because it could interfere with other components mounted on the car like air filters or intake pipes, etc., unlike your current tires. (Learn How To Clean Brake Rotors Without Removing Wheel)
Aspect Ratio
A vehicle’s tire aspect ratio shows the cross-height section to breadth.
- 275 60R20 has a 60% aspect ratio.
- 275 55R20 has a 55% aspect ratio.
Even though both tires are the same width, the aspect ratio must be considered for one vehicle to another.
Lower aspect ratios, such as those of the 275 55R20 tire, have a lower height-to-width ratio. This means that you’ll get more measured sidewall and less tread if you choose this size of tire construction.
Higher aspect tires are wider and give your vehicle more stability than lower ones. A 75 series tire has a ratio of 75/25 while an 80 series one is 80/20.
The best way to choose between these two options is by considering your driving habits and the right tire size: if you’re looking for something sporty and fast, go with lower-profile tires.
If you need something stable for hauling or towing heavy loads on rough terrain, opt for a higher profile with the right tire size and better handling characteristics off-road.
Wheel Circumference
Circumference measures a particular tire and its outer edge. This includes tire width. Circumference helps a vehicle balance and brake quickly.
Larger size tires circumferences provide better balance and braking. Since the 275 60R20 has a 103.6-inch circumference, it will provide superior balance and braking. Unfortunately, this isn’t 27555R20 riding quality.
Performance
275 55R20 and 275 60R20 differ in performance. Check with the tire manufacturer for a speed rating. Tires affect vehicle performance, ride quality, and fuel vehicle.
Price
Tire type affects the price. Wider tires cost more because they take longer to make and require more rubber for the tread compound. Same with lower profile tires, which are wider (which usually have a shorter sidewall).
275 55R20 tires are wider than 275 60R20 tires but have the same load and speed ratings. This doesn’t mean you should always choose the most costly tire for resale value or performance, but it does give us an idea of what to expect from each option before shopping.
Rim Diameter
Distance from wheel center to edge called rim diameter. This is a tire’s sidewall measurement in inches. Rim diameter is always the same for all tires on a vehicle; thus, if you have 275/55R20 tires on your truck, your rims will be 20 inches wide.
235/60R16 versus 275/55R18 are two distinct tire sizes with identical rim dimensions.
Load Index
Tires can support more weight when the load index is lower. For example, a tire with a C load index may support more weight than one with an E.
A number followed by the letters R for radial or D for diagonal is the load index. For example, the designation “C75/80R18” indicates that this tire is suitable for vehicles with steady loads up to 80 pounds per square inch and has a 75-series width (psi).
FAQs
How much taller is a 275 60R20 than a 275 55R20?
Compare vehicle tires for durability and performance. 275 55R20 vs. 275 60R20 tires go beyond durability and performance.
275 60R20 is 33.0″ tall, 275 55R20 is 31.9″. 275 60R20 inches is 1.1 inches taller than 275 55R20 tires, or +3.4%.
What is a 275 60R20 equivalent to?
The 27560R20 tire has a 32.99-inch diameter, 10.83-inch width, 103.65-inch circumference, and 6.5-inch sidewall height.
Either way works for tire size. For example, 275-60R20 tires are 33.0″ tall. This height differentiates them from 275 55R20 tires and its sidewalls.
Will 275 60R20 fit Stock Silverado?
Stock Silverado tires are 275 600R20. A stock Silverado can fit 31.6-inch tires like 265 65R18 and 33-inch tires like 275 60R20 in inches. (Read My Brake Pedal Is Stiff And Car Won’t Start – What To Do)
Stock Silverado can fit 33.5-inch tires. Ensure that your Stock Silverado’s tires are within the manufacturer’s recommended range and maintain the correct pressure for road conditions.
