255/70r18 In Inches – Tire Size, Rim Fitment & Best Tires

The 255/70R18 tire has an overall diameter of approximately 32.1 inches, a section width of roughly 10 inches, and is designed to be mounted on an 18-inch diameter rim. The equivalent tire size in the high flotation system is 32.1x10R18.

255 70r18

What does 255/70r18 Tire mean?

To kick things off, let’s take the tire measurement 255/70r18 apart like an automotive anthropologist. These mysterious numbers and letters aren’t some secret auto industry code (or the latest trend in baby naming, thankfully), but rather a standard way to convey important tire dimensions.

Check out the following table for a breakdown of what each of these segments means:

Tire numberIts Explanation
255The “255” indicates the tire’s section width, which is the measurement of the tire’s width from sidewall to sidewall in millimeters.
70The “70” is the aspect ratio, representing the height of the tire’s sidewall as a percentage of its width. In this case, the height is 70% of the width.
RThe “R” stands for Radial, referring to the tire’s construction. Most modern tires are radial.
18Lastly, the “18” represents the wheel diameter. This is the size, in inches, of the wheel that the tire is designed to fit.

What is 255/70r18 Tire in inches?

Let’s segue into the main event – translating the 255/70r18 tire size into inches. While I could pull out my abacus, dust off the old slide rule, or conjure up a mathematician’s spirit, I’ve instead prepared a nifty table for you.

Measurements of 255/70r18 in inches and Millimeters

Tire Diameter32.1″815mm
Section Width10.0″255mm
Rim Height18″457.2mm
Sidewall Height7.0″178.5mm
Revolutions per Mile~629~629

A Deeper Dive into the 255/70r18 Tire Specifications

Ah, dear reader, you’ve shown a keen interest in unraveling the enigmatic dimensions of the 255/70r18 tire. Fear not, for I am here to take you on a thrilling journey through its tire width, height, sidewall height, rim diameter, and even its beguiling circumference. Prepare yourself for a tire talk that will leave you on the edge of your seat—or should I say, on the edge of your rim?

Tire width of 255/70r18: Unleashing the Beast’s Girth

When it comes to the width of the 255/70r18 tire, we’re talking about a formidable beast that spans 255 millimeters or approximately 10 inches from sidewall to sidewall. Picture that—a tire so wide it could give a sumo wrestler a run for their money. But fear not, for this width isn’t just about brute force; it provides stability, handling, and a beefy footprint to keep you planted firmly on the road.

Tire height of 255/70r18: Reaching for the Sky

Now, let’s turn our attention to the tire’s height. The 255/70r18 tire proudly boasts a height that stands at a towering 70% of its width. In more tangible terms, we’re looking at a sidewall height of approximately 7 inches. Imagine the tire reaching for the sky like an ambitious basketball player going for that slam dunk. With such height, this tire not only delivers a commanding presence but also offers a comfortable ride and enhanced off-road capabilities.

Sidewall height of 255/70r18: A Shield of Resilience

Ah, the sidewall—where the rubber meets the road, quite literally. In the case of the 255/70r18 tire, its sidewall stands tall and proud at 70% of the tire’s width. This means a sidewall height of around 7 inches or about 178.5 millimeters. It’s like a trusty shield, protecting your precious rim from the perils of potholes, curbs, and the occasional reckless parking job. A resilient sidewall is the unsung hero that keeps your ride smooth and your rim intact.

Rim diameter for 255/70r18: Finding the Perfect Match

Now, let’s shift our focus to the rim diameter that harmoniously pairs with the 255/70r18 tire. Drumroll, please! It’s an 18-inch rim. Yes, my friend, that’s the diameter of the wheel that will form a match made in automotive heaven with this tire. Just imagine the two joining forces like Batman and Robin, Han Solo and Chewbacca, or peanut butter and jelly (hey, everyone loves a classic combo). This perfectly balanced duo ensures optimal performance, handling, and aesthetics for your beloved vehicle.

Tire circumference of 255/70r18: Measuring the Road Warrior

Last but certainly not least, let’s wrap up our exploration with the tire circumference. Brace yourself for this mind-boggling statistic—the 255/70r18 tire has a circumference of approximately 100.9 inches or a tantalizing 2563 millimeters. That’s right, my friend, your tire will conquer every twist and turn of the road with a precise and calculated dance, covering that distance with each full revolution.

What are the best 255/70r18 tires? Top Picks for Your Adventurous Journey

As an automotive aficionado, I understand the importance of having the right set of tires to conquer any terrain and make your vehicle sing like Pavarotti at a karaoke bar. So, without further ado, let me present to you my top picks for the best 255/70r18 tires that will elevate your driving experience to new heights of performance, comfort, and adventure!

1. Goodyear Wrangler – 255/70R18 113T

Product Description: The Goodyear Wrangler All-Terrain Adventure Kevlar (P) tire is a force to be reckoned with. With its durable Kevlar construction, it offers superb off-road capability and excellent traction on both wet and dry surfaces. It’s like having a fearless explorer as your co-pilot.

Key Features:

  • Kevlar-reinforced construction for enhanced toughness and resistance to cuts and punctures.
  • Aggressive tread design with biting edges for superior off-road traction.
  • Quiet and comfortable ride on paved roads.


  • Outstanding off-road performance.
  • Excellent traction in various weather conditions.
  • Enhanced durability and resistance to damage.
  • Comfortable and quiet on highways.


  • Slightly higher price point.
  • May experience some road noise on certain surfaces.

Final Recommendation: If you’re seeking an adventurous tire that can handle rugged terrains without compromising comfort, the Goodyear Wrangler All-Terrain Adventure Kevlar (P) is your go-to choice.

2. Falken Wildpeak A/T3W All-Terrain Radial Tire – 255/70R18 113T

Product Description: The Falken Wildpeak A/T3W tire is a true all-terrain champion, combining rugged durability with impressive on-road performance. Its aggressive tread design, coupled with Falken’s proprietary 3D Canyon Sipes, delivers exceptional traction in mud, snow, and rocky terrains, making it a reliable companion for your off-road escapades.

Key Features:

  • Aggressive tread pattern for off-road traction and stability.
  • 3D Canyon Sipes provide enhanced grip on wet and snowy surfaces.
  • Heat-dissipating technology for improved tread life and durability.


  • Excellent off-road performance.
  • Strong traction in various weather conditions.
  • Long-lasting and durable construction.
  • Low road noise for a comfortable ride.


  • Slightly reduced fuel efficiency compared to highway-focused tires.
  • Limited availability in certain regions.

Final Recommendation: If you’re a thrill-seeking adventurer who craves the perfect balance between off-road prowess and on-road comfort, the Falken Wildpeak A/T3W is your trusty companion for conquering any terrain.

3. Michelin LTX M/S2 All Season 255/70R18 112T

Product Description: The Michelin LTX M/S2 is a versatile all-season tire designed for light trucks, SUVs, and crossovers. With its advanced tread compound and optimized design, it delivers impressive traction, enhanced fuel efficiency, and a comfortable ride quality. This tire is like the Swiss Army knife of the tire world—always reliable and ready for any challenge.

Key Features:

  • Silica-based tread compound for excellent grip and tread life.
  • MaxTouch Construction for even wear and extended tread life.
  • Comfort Control Technology for a smooth and quiet ride.


  • Superb all-season traction.
  • Long-lasting tread life.
  • Fuel-efficient design.
  • Comfortable and quiet on highways.


  • Moderate off-road performance compared to specialized off-road tires.
  • Slightly higher price point.

Final Recommendation: If you’re seeking a versatile tire that excels in all-season performance, durability, and fuel efficiency, the Michelin LTX M/S2 is a top-notch choice for your light truck, SUV, or crossover.

FAQ’s About 255/70r18 Tire

1. What vehicles use 255/70r18 Tire?

The 255/70r18 tire size finds its home on a variety of vehicles. You’ll often encounter this tire on light trucks, SUVs, and crossovers. Its versatile nature makes it a popular choice for those seeking a balance between on-road comfort and off-road capability. Keep an eye out for this size when exploring the rugged terrains or cruising the city streets.

2. How many revolutions per mile does a 255/70r18 have?

Ah, the mesmerizing dance of revolutions! A 255/70r18 tire typically completes around 629 revolutions per mile. This figure serves as a valuable reference point for various calculations, such as speedometer accuracy or determining fuel mileage. Remember, each rotation brings you closer to your destination and adds a touch of tire magic to your journey.

3. Price of 255/70r18 inches Tire?

Ah, the topic that often weighs on our minds—price! The cost of a 255/70r18 tire can vary depending on several factors, including brand, tire model, performance characteristics, and the retailer you choose. On average, you can expect to find a range of prices starting from around $150 and going up to $250 per tire. However, it’s always a good idea to shop around and compare prices to find the best deal that suits both your budget and your tire needs.

4. What kind of rim does a 255/70r18 tire fit on?

The 255/70r18 tire is designed to fit on an 18-inch rim diameter. Specifically, it requires a rim with an 18-inch diameter to ensure a proper and secure fit. So, when in search of the perfect rim for your trusty 255/70r18 tire, be sure to look for one that matches this specification. It’s like finding the perfect puzzle piece to complete your tire and rim ensemble.

5. How much air should be in a 255/70r18 tire?

Ah, the eternal question—how much air is just right for our tire’s well-being? The recommended tire pressure for a 255/70r18 tire typically ranges between 30 to 35 PSI (pounds per square inch). However, it’s crucial to consult your vehicle’s owner’s manual or the tire manufacturer’s guidelines for the precise recommended pressure. Proper tire inflation ensures optimal performance, fuel efficiency, and safety, so be sure to keep your tires inflated to the recommended levels.

6. What is a 255/70r18 equivalent to?

Ah, the realm of equivalents—a place where tire sizes intertwine like old friends. The 255/70r18 tire size is equivalent to several other tire sizes, offering flexibility when seeking alternatives. Some comparable sizes include 265/65r18, 275/65r18, and 285/60r18. These sizes may have slight variations in width or aspect ratio, but they generally offer a similar overall diameter and fitment characteristics.

Comparison with Similar Tires: Finding the Perfect Fit

Ah, the moment of truth has arrived! Let’s dive into a captivating comparison between the illustrious 255/70r18 tire and its counterparts. Brace yourselves, my fellow tire enthusiasts, as we explore the similarities, differences, and unique characteristics of these tire siblings.

255/70r18 vs 265/60r18

When pitting the 255/70r18 against the 265/60r18, we encounter a slight trade-off. While the 255/70r18 offers a broader footprint and a touch more sidewall height, the 265/60r18 leans towards a wider section width. Both sizes have their strengths, so consider your priorities—whether it’s a balance of comfort and off-road prowess or a sportier appeal.

255/70r18 vs 275/65r18

Ah, the clash of the titans! In the battle of the 255/70r18 versus the 275/65r18, we witness a fascinating showdown. The 275/65r18 boasts a wider section width and slightly lower sidewall height, offering a sportier aesthetic and enhanced handling. Meanwhile, the 255/70r18 presents a more robust sidewall and a touch more ground clearance for those daring off-road adventures. It’s a clash of preferences, my friends.

255/70r18 vs 265/65r18

Prepare for a showdown that may leave you torn, my tire aficionados! In the 255/70r18 versus 265/65r18 matchup, we witness a battle of width versus height. The 255/70r18 showcases a broader section width, while the 265/65r18 features a slightly taller sidewall. Your choice depends on whether you crave that wider grip or seek a tad more cushioning on rougher terrains.

255/70r18 vs 275/70r18

Ah, a clash between the giants of the tire realm! The 255/70r18 and the 275/70r18 engage in a showdown of width and height. The 275/70r18 presents a wider stance and a slightly lower sidewall, catering to those who desire enhanced stability and a muscular appearance. Meanwhile, the 255/70r18 offers a touch more ground clearance and sidewall resilience for your off-road escapades. It’s a matter of personal preference and priorities, my friends.

255/70r18 vs 285/70r17

Let’s step into the ring where the 255/70r18 squares off against the 285/70r17. Here, we have a tale of width and diameter differences. The 285/70r17 showcases a wider section width and a smaller wheel diameter, offering a bolder stance and enhanced off-road capabilities. On the other hand, the 255/70r18 provides a slightly taller sidewall and a larger wheel diameter, granting a touch more ground clearance. The choice rests on your appetite for adventure and your desired balance of aesthetics and functionality.

255/70r18 vs 265/70r18

Ladies and gentlemen, brace yourselves for the 255/70r18 versus 265/70r18 matchup. In this clash of siblings, we witness a duel of slight differences. The 265/70r18 boasts a wider section width and a touch lower sidewall, catering to those seeking a sportier appeal and enhanced handling. Meanwhile, the 255/70r18 presents a touch more sidewall height and a broader footprint, providing added comfort and off-road prowess. Choose wisely, my friends, and let your preferences guide you.

255/70r18 vs 265/70r17

It’s time for a sibling rivalry between the 255/70r18 and the 265/70r17. Here, we encounter a difference in wheel diameter. The 255/70r18 pairs with an 18-inch wheel, while the 265/70r17 fits a 17-inch wheel. The choice lies in your desire for a larger wheel diameter or the advantages of a taller sidewall and potential cost savings. Consider your priorities and let your inner tire connoisseur guide you.

255/70r18 vs 33×12.5r18

Ladies and gentlemen, welcome to the realm of rugged versatility! The 255/70r18 and the 33×12.5r18 embark on a clash of preferences. The 33×12.5r18, with its larger section width and taller sidewall, caters to those seeking a more aggressive off-road look and enhanced traction. Meanwhile, the 255/70r18 offers a slightly narrower footprint and a touch more on-road comfort. It’s a decision between unleashing your inner off-road warrior or maintaining a balance between off-road prowess and on-road refinement.

255/70r18 vs 245/75r17

Let’s unravel the tale of two sizes—the 255/70r18 and the 245/75r17. Here, we encounter a trade-off between width and sidewall height. The 255/70r18 boasts a broader footprint, while the 245/75r17 presents a slightly taller sidewall. The choice depends on your priorities—whether it’s enhanced stability and a sportier look or a touch more ground clearance and potential cost savings.

255/70r18 vs 275/55r20

Welcome to the clash between the 255/70r18 and the 275/55r20—where width meets diameter. The 275/55r20 boasts a wider section width and a larger wheel diameter, delivering a sportier appearance and enhanced handling. Meanwhile, the 255/70r18 provides a touch more sidewall height and a broader footprint, offering a balance of comfort and off-road capability. It’s a decision between unleashing your inner speed demon or embracing versatile performance for both on and off the road.

Conclusion: Choose Your Tire Adventure Wisely

After our tire odyssey through the intricate world of the 255/70r18 tire, it’s time to draw our conclusions and offer a simple recommendation. Remember, my adventurous friends, the best tire choice depends on your specific needs, preferences, and the type of driving experience you desire.

For those seeking a versatile tire that excels in both on-road comfort and off-road capability, the Goodyear Wrangler All-Terrain Adventure Kevlar (P) Street Radial Tire-255/70R18 113T is a robust contender. Its Kevlar construction and aggressive tread design make it a reliable companion for your thrilling escapades.

However, if you crave a tire with exceptional all-season performance, durability, and fuel efficiency for your light truck, SUV, or crossover, the Michelin LTX M/S2 All Season Radial Car Tire-255/70R18 112T emerges as a top choice. It strikes the perfect balance between performance and longevity, ensuring a remarkable driving experience.

Remember, my fellow road warriors, select the tire that aligns with your driving style, preferences, and the adventures that await you. May your tire choice pave the way for unforgettable journeys and exhilarating moments on the open road. Safe travels and happy tire hunting!