The 10.50 inches is the tire's advertised width, usually taken at the tread, not the sidewall bulge. And the 15 is the size of the wheel it's designed for. So, in this case you've got a 31-inch ...

Pro Comp is noted for its tough tires, and they don't get much tougher than these 37x13.50/15 XTerrain and LT 325/80R16 (37x13.50/16) Xtreme All Terrains. How about three plies of high-denier ...

Those 10-ply tires now have another name, but they still offer advantages over other kinds of tires. Here's what a 10-ply ...

Well, this face-off is all about the off-road experience, and both the Land Rover Defender and Toyota 4Runner TRD are legitimate and legendary when tire meets the muck.

To handle more severe off-road conditions, Sailun gave the TerraMax RT a deep tread measuring 16-18/32s of depth. To help protect the tires from jagged rocks, the brand uses an anti-tear rubber ...

The special ZR2 off-road version of the Colorado mid-size pickup featured front and rear electronic locking differentials, spiffy Multimatic shock absorbers, a lifted body and big knobby tires ...

Allied Market Research published a report, titled, "Off-the-Road Tire Market by Product (Radial Tires, Bias Tires, and Non-Pneumatic Tires), Vehicle Type (Earthmovers, Loader and Dozers, Graders ...

You might think that the Jeep Wrangler Rubicon, with its solid front and rear axles, locking diffs, and stock 33-inch tires, is the most capable all-around modern off-road vehicle. And while that ...

It tops the comparison chart at Tire Rack, ... Off-road tires are built for vehicles that spend the majority of time on rougher terrains and away from normal road conditions.

There are still big differences in tire designs for on-highway and off-road tires, but newer designs make it possible to do a little of both.

It's the perfect trail to compare the off-road chops of the Toyota Land Cruiser and 4Runner. Much is the same between these two machines, but there's also a lot that differs.