The 285/75R17 tire comes in at 33.9 inches (860 mm) tall, 11.2 inches (285 mm) wide, and is built to fit a 17-inch (431.8 mm) wheel. With a sidewall height of 8.4 inches (214 mm) and a circumference of 106.4 inches (2700.4 mm), it completes about 595 revolutions per mile (370 per km).
Designed for trucks and SUVs that tackle both rough trails and highways, this size strikes a practical balance between off-road toughness and on-road drivability.
You can also check out my other blog posts covering different tire sizes to help you make smarter choices.
285/75R17 Tire Dimensions: What Are the Key Measurements?
When choosing the right tire for your vehicle, it’s important to understand its key dimensions. For the 285/75R17 tire size, the measurements reflect a combination of width, sidewall height, and diameter. Here is a breakdown of the important dimensions in table form:
| Specification | Measurement (Inches) | Measurement (Millimeters) |
| Tire Width | 11.2″ | 285 mm |
| Sidewall Height | 8.4″ | 214 mm |
| Tire Diameter | 33.9″ | 860 mm |
| Circumference | 106.4″ | 2700.4 mm |
| Wheel Diameter | 17″ | 431.8 mm |
| Revolutions per Mile | 595 | 370 per km |
These dimensions provide a clear understanding of the tire’s size, ensuring compatibility with your vehicle’s specifications.
What is 285/75R17 Tire Size?
The 285/75R17 tire size is commonly found on trucks and SUVs. It is designed to offer a balanced combination of off-road durability and on-road comfort. The breakdown of this tire size reveals the following:
- 285: Tire width in millimeters.
- 75: Aspect ratio (the height of the sidewall is 75% of the tire’s width).
- R: Radial construction, the most common tire design.
- 17: The wheel diameter that the tire is meant to fit, measured in inches.
This tire is popular for larger vehicles that need performance on rough terrains while still being comfortable on highways.
Converting 285/75R17 to Inches: Simple Calculations
To convert 285/75R17 tire measurements to inches:
- Width: The 285 mm width converts to approximately 11.2 inches (285 ÷ 25.4).
- Sidewall Height: The aspect ratio of 75 means the sidewall height is 8.4 inches (11.2 × 0.75).
- Wheel Diameter: The tire fits a 17-inch wheel.
This conversion helps in visualizing the tire’s size, especially for people unfamiliar with metric measurements.
Load and Speed Ratings: Off-Road vs. On-Road Performance
When choosing 285/75R17 tires, it’s important to understand their load and speed ratings, as well as how they perform on different surfaces.
- Load Rating: These tires typically come with a Load Range E (10-ply), meaning they can handle heavy loads, making them suitable for trucks and SUVs that carry substantial weight or need to tow heavy items.
- Speed Rating: The speed rating for many 285/75R17 tires is Q, which means they can safely handle speeds up to 99 mph. This ensures they perform well at highway speeds.
Off-Road vs. On-Road Performance
While these tires excel off-road due to their aggressive tread and larger contact patch, they might not offer the same smooth ride and fuel efficiency on highways. Off-road tires can lead to increased road noise and slightly reduced fuel economy due to their design. If you primarily drive on roads, all-terrain tires might be a better choice for a comfortable balance of performance.
285/75R17 All-Terrain Tires vs. Mud-Terrain Tires
When choosing tires for your vehicle, understanding the difference between all-terrain and mud-terrain options is key, especially for sizes like 285/75R17. Each tire type is designed to handle specific driving conditions, so your choice will depend on how you plan to use your vehicle. All-terrain tires offer a versatile balance for both on-road and off-road use, while mud-terrain tires are built for serious off-road enthusiasts looking to tackle the toughest terrains. Here’s a closer look at both options.
All-Terrain Tires:
- Performance: Designed for a balance of on-road comfort and off-road capability.
- Tread: Offers moderate tread depth and patterns, providing good traction on both paved roads and light off-road conditions.
- Use: Ideal for drivers who use their vehicle for daily commuting but occasionally venture off-road.
Mud-Terrain Tires:
- Performance: Built for tough off-road conditions, offering superior grip on mud, rocks, and rough terrain.
- Tread: Features aggressive, deep tread patterns for maximum traction in challenging off-road environments.
- Use: Best for off-road enthusiasts and drivers who frequently tackle rugged terrains and need tires that can handle extreme conditions.
How Does 285/75R17 Compare to Other Tire Sizes?
When comparing the 285/75R17 tire size to other common tire sizes, it’s important to look at how their dimensions, performance, and applications differ. Here’s a simple breakdown:
285/75R17 vs. 265/70R17
- Width: The 285/75R17 tire is wider, providing better traction and stability compared to the 265/70R17 (which is 10mm narrower).
- Height: The 285/75R17 has a larger sidewall, meaning more ground clearance, while the 265/70R17 will be slightly lower in height.
- Performance: The 285/75R17 tire offers better off-road capabilities due to its wider width and taller profile, whereas the 265/70R17 might be better for on-road comfort and fuel efficiency.
285/75R17 vs. 295/70R17
- Width: The 295/70R17 is wider by 10mm, giving it slightly more surface area for traction, especially in off-road situations.
- Height: The 295/70R17 tire has a slightly taller sidewall, which increases ground clearance even more than the 285/75R17.
- Performance: The 295/70R17 will provide superior off-road performance, but it could be less fuel-efficient and may impact handling on-road due to the larger tire size.
Top Tire Models for 285/75R17
There are several high-quality tire models designed for 285/75R17 tires that cater to various needs:
- BFGoodrich Mud-Terrain T/A KM3: Ideal for serious off-road enthusiasts, offering excellent traction and durability.
- Nitto Ridge Grappler: A versatile tire, balancing on-road comfort with off-road capability.
- Cooper Discoverer S/T Maxx: Known for its long-lasting tread life and heavy-duty performance.
Each of these models is designed with specific features that enhance either off-road grip, longevity, or ride quality, allowing you to choose the best fit for your vehicle and driving habits.
You can also benefit from our expert tire repair services to keep your tires in excellent shape.
FAQs
1. How Tall is a 285/75R17 Tire?
A 285/75R17 tire has an overall height (diameter) of approximately 33.9 inches (860 mm). This size provides good ground clearance, making it suitable for trucks and off-road vehicles.
2. What is the Width of a 285/75R17 Tire?
The width of a 285/75R17 tire is approximately 11.2 inches (285 mm). This wider footprint helps provide better stability and traction.
3. What Vehicles Use 285/75R17 Tires?
The 285/75R17 tire is typically used on full-sized trucks, SUVs, and off-road vehicles. Vehicles that require strong off-road performance, such as those used in mud, snow, or rocky terrain, often use this size.
4. What is the Tire Speed Rating for 285/75R17?
The speed rating for a 285/75R17 tire depends on the brand and model. Most mud-terrain and all-terrain tires in this size will have a speed rating that is appropriate for off-road use. Always check the manufacturer’s recommendations for speed ratings.
