265/70R17 Tire Size: Everything You Need to Know

26570R17

265/70R17 tires are a popular choice for trucks and SUVs due to their ideal balance of height, width, and performance. With a diameter of 31.7 inches and a tread width of 10.4 inches, this tire size fits 17-inch rims and provides excellent all-around capability for both highway and off-road use.

Whether you’re exploring replacements or upgrading for looks and function, this guide breaks down everything about 265/70R17—including size, speed ratings, compatible alternatives, and expert insights to help you make the best decision. You can explore more details about Tire Sizes to understand the different types and dimensions for various vehicle needs.

What Does 265/70R17 Mean?

It’s a standardized code that describes the tire’s width, sidewall height, construction type, and rim diameter.
Here’s how to decode it:

26570R17
  • 265 – Tire width in millimeters (≈10.4 inches)
  • 70 – Aspect ratio (sidewall is 70% of the width)
  • R – Radial construction (standard for most modern tires)
  • 17 – Fits a 17-inch diameter wheel

This combination offers a comfortable ride with good ground clearance, making it a go-to size for light trucks and 4×4 vehicles.

265/70R17 in Inches and Millimeters

26570R17
SpecificationInchesMillimeters
Diameter31.7″804 mm
Tread Width10.4″265 mm
Sidewall7.3″186 mm
Wheel Size17″431.8 mm
Circumference99.5″2524.6 mm
Revs/Mile637396/km

These specs are crucial for clearance, speedometer accuracy, and matching your vehicle’s recommended size.

How to Convert 265/70R17 to Inches?

To manually calculate the dimensions of a 265/70R17 tire, use the following conversion formulas:

  • Tire Width:
    265 mm ÷ 25.4 = 10.4 inches
  • Sidewall Height:
    265 × 0.70 = 185.5 mm
    185.5 mm ÷ 25.4 = 7.3 inches
  • Overall Diameter:
    (7.3 × 2) + 17 = 31.6 inches
  • Tire Circumference:
    31.6 × 3.1416 = 99.3 inches
  • Revolutions Per Mile:
    63,360 (inches in a mile) ÷ 99.3 = 638 revolutions per mile

This is useful for calibrating your speedometer or comparing different tire sizes.

Understanding Tire Speed Ratings

A tire’s speed rating tells you the maximum sustained speed it can safely handle.

RatingMax SpeedCommon Use
T118 mphFamily SUVs
S112 mphSedans, SUVs
R106 mphLight trucks
Q100 mphOff-road vehicles
P94 mphOlder vehicles

For 265/70R17 tires, T or S ratings are most common, striking a balance between safety, comfort, and everyday performance.

Why Speed Rating Matters?

It’s not just about speed—it’s about safety, handling, and tire life. A tire with a higher speed rating generally provides better cornering stability and heat resistance. Always choose a rating equal to or higher than your vehicle’s recommended spec to avoid warranty or insurance issues.

265/70R17

How 265/70R17 Tires Impact Speedometer Accuracy?

A 265/70R17 tire will only affect your speedometer if it’s not the stock size recommended by your vehicle’s manufacturer.
When you change your tire’s overall diameter, it alters how far the vehicle travels with each wheel rotation, which can cause the speedometer to read inaccurately.

Here’s how it works:

  • Larger tires (like upsizing from a smaller diameter) travel farther per rotation, making the speedometer read slower than your actual speed.
  • Smaller tires do the opposite — the speedometer reads faster than you’re actually moving.

Example:

If your original tires were 30.5 inches in diameter and you switch to 265/70R17 (which are 31.7 inches), your speedometer might read 2–4% slower. That means when your speedometer says 60 mph, you’re actually traveling closer to 62–63 mph.

Why It Matters:

  • Legal Compliance: You may unknowingly exceed speed limits.
  • Odometer Errors: Distance traveled and fuel economy readings can be inaccurate.
  • Transmission Shifting: Modern vehicles use speed input for shift timing, which can be slightly thrown off.

To avoid these issues, always aim to stay within ±3% of your stock tire diameter. If you’re unsure whether 265/70R17 is within spec, use an online tire calculator or consult your vehicle’s manual.

265/70R17 vs Other Tire Sizes: Key Differences

Choosing the right tire size can be confusing when several sizes seem nearly identical. Let’s compare 265/70R17 to other popular alternatives in terms of width, height, comfort, and use case.

265/70R17 vs 275/65R17: Slight Width Boost

Specification265/70R17275/65R17Key Differences
Width10.4 inches10.8 inches275/65R17 is slightly wider, offering more grip.
Sidewall Height7.3 inches7.0 inches265/70R17 has a taller sidewall for better cushioning.
Overall Diameter31.7 inches31.1 inches265/70R17 adds a bit more ground clearance.
Revs per Mile637649275/65R17 rotates more—affecting speedometer slightly.

Verdict: Go with 265/70R17 for a smoother ride and slightly better off-road performance. Choose 275/65R17 for a wider tread and sporty handling feel.

265/70R17 vs 245/75R17: Clearance vs Efficiency

Specification265/70R17245/75R17Key Differences
Width10.4 inches9.6 inches265/70R17 is noticeably wider.
Sidewall Height7.3 inches7.2 inchesVery close, but 265 offers slightly better shock absorption.
Overall Diameter31.7 inches31.5 inchesVirtually the same clearance.
Revs per Mile637640Negligible difference in speedometer readings.

Verdict: 265/70R17 is better suited for trucks and larger SUVs that need more stability. 245/75R17 works well for lighter vehicles aiming for improved fuel economy.

265/70R17 vs 285/65R17: Off-Road Grip vs Fitment

Specification265/70R17285/65R17Key Differences
Width10.4 inches11.2 inches285 is wider, ideal for aggressive off-road looks.
Sidewall Height7.3 inches7.3 inchesNearly identical sidewall height.
Overall Diameter31.7 inches31.6 inchesNo significant impact on clearance.
Revs per Mile637639Very minimal difference.

Verdict: Choose 285/65R17 for a beefier appearance and off-road grip—just check if your wheel well can accommodate the width. Stick with 265/70R17 for OEM-like fit and versatility.

Top 265/70R17 Tire Brands

  • Michelin – Premium quality and smooth performance.
  • BFGoodrich – Great for off-road adventures.
  • Goodyear – Excellent tread durability and wet traction.
  • Cooper – Reliable and cost-effective all-season options.
  • Falken – Balanced performance at mid-range pricing.

Price Guide: 265/70R17 Tires

CategoryPrice Per TireBest For
Budget Range$140–$180Daily drivers, value seekers
Mid-Range$180–$230All-season reliability
Premium Segment$230–$300High performance, off-road use

What to Look for in a 265/70R17 Tire

Tread Design – Deeper grooves offer better wet or off-road performance
Ride Comfort – Choose tires with optimized sidewalls for smoother highway travel
Durability – Look for higher treadwear ratings and sidewall protection
Noise Reduction – Symmetrical patterns tend to be quieter
All-Season Performance – M+S (Mud + Snow) ratings are a plus for year-round use

Ideal Vehicle Types for 265/70R17 Tires

The 265/70R17 tire size is ideal for light trucks, full-size SUVs, and some off-road vehicles. Its tall sidewall, wide tread, and durable build make it a perfect fit for vehicles that need ground clearance, stability, and load-carrying capability.

265/70R17

Popular models that commonly use this tire size include:

  • Toyota Tacoma and Tundra
  • Ford F-150 and Ranger
  • Chevrolet Silverado and Colorado
  • Jeep Grand Cherokee and Wrangler
  • Nissan Frontier and Titan

These vehicles benefit from the tire’s ability to handle both paved roads and rugged terrain while maintaining ride comfort. The size also supports towing, hauling, and light off-roading, making it a smart choice for work, adventure, or daily driving.

Best Performing 265/70R17 Tire (Top Pick)

The Starfire Solarus HT All‑Season 265/70R17 stands out as a solid, budget-friendly performer with reliable all-season traction and quiet highway comfort. Built on a symmetrical 5‑rib tread pattern, it offers even wear, a smooth ride, and good handling in various road conditions—making it a dependable choice for daily drivers and light trucks.

Key Advantages:

  • All‑Season Versatility – Designed to perform well in a variety of weather, including light snow with its M+S rating.
  • Quiet and Comfortable Ride – Narrowed grooves between tread blocks help reduce noise, creating a smoother experience on the highway.
  • Even Treadwear – The symmetric 5‑rib design promotes balanced wear over time, contributing to longer tire life.

Real‑World Insights:

  • Simmering praise from drivers: A user on BobistheOilGuy remarked, “The tires are quiet smooth and hold the road well. They also do well in the wet weather. I’m honestly very impressed…”
  • Good performance for work use: Several users on forums noted that Starfire tires “hold up just as good as any other name brand we’ve tried,” emphasizing their value for work trucks.

Specification Highlights:

  • Load Index: 115 (supporting up to approximately 2,679 pounds per tire)
  • Speed Rating: T (safe for sustained speeds up to 118 mph)
  • Tread Depth: Approximately 10.5/32nds
  • Made by Cooper Tires (U.S.A.), ensuring quality standards and manufacturing.

Alternate Tire Sizes for 265/70R17

You can choose from many nearby sizes—just stay within a ±3% diameter variance.

Here are some compatible alternatives:

Alternate SizeDiameterWidthWheel
275/65R1731.1″275 mm17″
245/75R1731.5″245 mm17″
285/65R1731.6″285 mm17″
255/70R1731.1″255 mm17″
275/70R1732.2″275 mm17″

When switching, make sure the new tire won’t rub against fenders, especially during turns or suspension compression.

If you’re looking for Tire Repair Service, we also offer specialized services to ensure the longevity and optimal performance of your tires.

FAQs

1. What does 265/70R17 mean in tire size?

It means the tire is 265mm wide, has a sidewall height that’s 70% of the width, and fits a 17-inch wheel. The “R” indicates radial construction.

2. Will 265/70R17 tires fit my vehicle?

They fit many trucks and SUVs like the Toyota Tacoma or Ford F-150. Always check your vehicle’s manual or use a tire size calculator.

3. How tall is a 265/70R17 tire in inches?

It measures approximately 31.7 inches in overall diameter, including the tread and both sidewalls.

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