6.70-15 Tire Size

Understanding 6.70-15 tire size is crucial for making informed decisions when purchasing new tires, whether it is for replacement or upgrade, as it plays an important role in your vehicle's performance and safety. Let's explore 6.70-15 tire size specs and dimensions, what vehicles are equipped with 6.70-15 tires and what are its replacement alternatives.

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What does 6.70-15 mean?

6.70-15 is a LT-Numeric tire size that is used on commercial vehicles that are expected to carry heavy loads. Let us decode each aspect of 6.70-15 tire size dimensions for better understanding.

  • 6.70 - this number indicates tire's section width, which includes the entire width of the tire from one sidewall to the other. The tread width is typically a bit narrower than the section width. Since this is a LT-Numeric tire size, this measurement is in inches. So section width of this particular tire is 6.70 inches.
  • Dash indicates that tire has diagonal bias construction.
  • 15 - the last number indicates the wheel diameter in inches that the tire is designed to fit. 6.70-15 can be mounted on rims with 15 inches in diameter.
6.70-15 Section Width
6.70-15 Tire Side
Tire Circumference
737 Revs/Mile
Metric Inches
Tread Width 170.2 mm 6.70"
Aspect Ratio 92%
Rim Diameter 381 mm 15"
Tire Diameter 696 mm 27.4"
Sidewall Height 157.5 mm 6.2"
Circumference 2185 mm 86"
Revolutions 458 per km 737 per mile

What vehicles use 6.70-15 tire size?

No vehicles found.

What are replacement alternatives for 6.70-15 tire?

Replacement tires have to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of replacement and plus tire sizes that are within the optimal characteristics of the original 6.70-15 tire size.

Keep in mind that different vehicles have different tire requirements. Passenger cars, SUVs, trucks, and high-performance vehicles each have specific types of tires that are engineered for their particular needs. When replacing tires on your vehicle, always refer to your vehicle's owner's manual for manufacturer recommendations on tire size, type, and other specifications.

Replacement Tire Size Overall Diameter Difference
185R15 -1.7%
185/80R15 -2.7%
185R16 2%
175/80R16 -1.4%
T165/80D17 -0%
T165/80R17 -0%
165/80R17 -0%

What wheels can 6.70-15 tire be mounted on?

6.70-15 tires are generally approved to be mounted on 4.5" to 6" wide wheels. The follwing wheel sizes can be used:

  • 15x4.5
  • 15x5
  • 15x5.5
  • 15x6

All listed guides, data and/or calculations are for informational purposes only. Tire-Sizes.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.