Frequently Asked Questions
It is frequently available as original equipment on vehicles. Those include the Ford F-150, Chevy Silverado, Nissan Frontier, big SUVs like the Ford Expedition, Chevy Tahoe or Suburban, and Nissan Armada, and many other manufacturers offer this size.
This is the tire size information. In this, 255 indicates the tire tread is 255 mm wide, and 70 is the side ratio, which means 70% of the side is as large as the tread. The “R” stands for radial construction, while 17 is the wheel diameter in inches.
Most 255/70R17 truck tires should be replaced after 50,000–60,000 miles. However tread life will vary depending on driving habits, loads, and rotation intervals. Also, check the tread depth, because the recommended minimum 2/32” level indicates the need to replace the tires.
The obvious key difference is the tread width. A 265/70R17 measures 265mm, or around 10.4′′ wide, compared to 10′′ or 255mm for a 255/70R17. The larger tire provides an additional tread surface for improved grip but has a little more rolling resistance.
