Tire Size 235/40r19 vs 245/40r19
Picking the right tire size for your ride is crucial to ensure top-notch performance and safety on the road. And guess what? We’re here to help! Let’s take a closer look at two of the most popular tire sizes: 235/40R19 and 245/40R19. Did you know that 235/40R19 can be converted to 26.4×9.3R19 in inches and 245/40R19 to 26.7×9.6R19 in inches? We’ll compare these sizes to help you make an informed decision.
235/40r19 vs 245/40r19 Table
This comparison table will help you understand the differences between 235 40r19 and 245 40r19 tires.
| Parameter | 235/40r19 | 245/40r19 | Difference |
|---|---|---|---|
| Diameter | 26.4″ | 26.72″ | 0.31 inch |
| Width | 9.25″ | 9.65′ | 0.39 inch |
| Circum. | 82.94″ | 83.93″ | 0.99 inch |
| Sidewall Height | 3.7 “ | 3.86″ | 0.16 inch |
| Revolutions | 763.9 | 754.89 | 9.01 |
Alternative Tire Size For 235/40R19
The table shows various tire sizes, their corresponding overall diameter, and the percentage difference between them.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 335/25R19 | 25.6″ (651 mm) | -3% |
| 245/35R19 | 25.8″ (655 mm) | -2.4% |
| 215/40R19 | 25.8″ (655 mm) | -2.4% |
| 285/30R19 | 25.8″ (655 mm) | -2.4% |
| 125/70R19 | 25.9″ (659 mm) | -1.8% |
| 295/30R19 | 26″ (661 mm) | -1.5% |
| 255/35R19 | 26″ (661 mm) | -1.5% |
| 355/25R19 | 26″ (661 mm) | -1.5% |
| 225/40R19 | 26.1″ (663 mm) | -1.2% |
| 305/30R19 | 26.3″ (667 mm) | -0.6% |
| 265/35R19 | 26.3″ (669 mm) | -0.3% |
| 315/30R19 | 26.5″ (673 mm) | 0.3% |
| 135/70R19 | 26.5″ (673 mm) | 0.3% |
| 275/35R19 | 26.6″ (675 mm) | 0.6% |
| 325/30R19 | 26.7″ (679 mm) | 1.2% |
| 245/40R19 | 26.7″ (679 mm) | 1.2% |
| 285/35R19 | 26.9″ (683 mm) | 1.8% |
| 335/30R19 | 27″ (685 mm) | 2.1% |
| 225/45R19 | 27″ (685 mm) | 2.1% |
| 255/40R19 | 27″ (687 mm) | 2.4% |
| 295/35R19 | 27.1″ (689 mm) | 2.7% |
| 345/30R19 | 27.2″ (691 mm) | 3% |
Alternative Tire Size For 245/40R19
By examining the differences in diameter, you can determine which tire size will best suit your vehicle’s needs.
| Tire Size | Overall Diameter | Difference |
|---|---|---|
| 295/30R19 | 26″ (661 mm) | -2.7% |
| 225/40R19 | 26.1″ (663 mm) | -2.4% |
| 305/30R19 | 26.3″ (667 mm) | -1.8% |
| 265/35R19 | 26.3″ (669 mm) | -1.5% |
| 235/40R19 | 26.4″ (671 mm) | -1.2% |
| 135/70R19 | 26.5″ (673 mm) | -0.9% |
| 315/30R19 | 26.5″ (673 mm) | -0.9% |
| 275/35R19 | 26.6″ (675 mm) | -0.6% |
| 285/35R19 | 26.9″ (683 mm) | 0.6% |
| 335/30R19 | 27″ (685 mm) | 0.9% |
| 225/45R19 | 27″ (685 mm) | 0.9% |
| 255/40R19 | 27″ (687 mm) | 1.2% |
| 295/35R19 | 27.1″ (689 mm) | 1.5% |
| 345/30R19 | 27.2″ (691 mm) | 1.8% |
| 175/60R19 | 27.3″ (693 mm) | 2.1% |
| 235/45R19 | 27.4″ (695 mm) | 2.4% |
Overall Diameter
The first thing to consider when deciding is the tire’s overall diameter. The 235 40r19 tires have an overall diameter of 26.4 inches, while the 245 40r19 tires have an overall diameter of 26.72 inches.
This means that the 245 40r19 tires will be slightly larger in diameter than the 235 40r19 tires. The difference in the overall diameter of those tire sizes is 0.31 inches or about 1.2%.
Aspect Ratio
The aspect ratio of a tire refers to the height of the sidewall relative to the width of the tire. The aspect ratio of a 235/40r19 tire is 40, while the aspect ratio of a 245/40r19 tire is also 40. This means that both tires have the same sidewall height relative to their width, which may result in similar handling and stability.
Section Width
The section width is the measurement of the tire from sidewall to sidewall. The 235 40r19 tires have a section width of 9.25 inches, and the 245 40r19 tires have a section width of 9.65 inches.
This means the 245 40r19 tires are about 4.3% wider than the 235 40r19 tires. The wider tire will give you a more comfortable ride, but it may make your car handle differently than the narrower tire.
Circumference
The circumference of a tire is the distance around the outside of the tire. The 235 40r19 tires have a circumference of 82.94 inches, while the 245 40r19 tires have a circumference of 83.93 inches. The difference between those tire sizes is about 0.99 inches.
This means the 245 40r19 tires are about 1.2% longer in circumference than the 235 40r19 tires. The longer tire will give you a higher top speed, but it may make your car feel less responsive.
Revolutions Per Mile
The number of revolutions per mile (RPM) is how many times the tire will go around in one mile. The 235 40r19 tires have an RPM of 763, while the 245 40r19 tires have an RPM of 754. This means that the 245 40r19 tires will go around about 1.2% fewer times in one mile than the 235 40r19 tires.
The lower RPM of the 245 40r19 tires can be beneficial if you are looking for a tire that will last a bit longer. The lower RPM also means that the car will feel less responsive.
Sidewall Height
The sidewall height is the distance from the edge of the tire to the wheel. The 235 40r19 tires have a sidewall height of approximately 3.7 inches, and the 245 40r19 tires have a sidewall height of approximately 3.86 inches.
This means that the 245 40r19 tires will have a slightly taller sidewall than the 235 40r19 tires. The taller sidewall can provide a more comfortable ride, but it may make your car feel less responsive.
Wheel Size
The wheel size is the diameter of the wheel that the tire will be mounted on. The 235 40r19 tires can be used on wheels with a diameter of 19 inches, while the 245 40r19 tires can be used on wheels with a diameter of 19 inches. This means both tire sizes can be used on the same size wheel.
Construction Type
The construction type is how the tire was built. The 235 40r19 tires are available in both radial construction, while the 245 40r19 tires are only available in radial construction. That means both tire sizes are radial construction types.
Radial tires are the most common type of tire, and they are characterized by having steel belts running radially across the tire. This type of construction provides a longer-lasting tire and a more comfortable ride.
Our Observation
The 245/40r19 tire has a wider contact patch and a slightly taller sidewall, which may result in better traction, a more comfortable ride, and better protection against road hazards. However, the 235/40r19 tire has a slightly smaller overall diameter, which may result in slightly better fuel efficiency and a slightly sportier feel. Ultimately, the decision between the two tire sizes will depend on your specific needs and preferences.
If you prioritize traction and comfort, the 245/40r19 tire may be the better choice for you. On the other hand, if you prioritize fuel efficiency and a sporty feel, the 235/40r19 tire may be a better fit. It is important to note that these differences may be subtle, and that the most important factor in choosing a tire size is ensuring that it is compatible with your vehicle.
