The appeal of run-flat tires is quite understandable. Getting a flat tire is always inconvenient, but it can be especially distressing in situations with poor weather, when a tire fails on a high traffic highway or in an unsafe area. It's easy to imagine multiple situations where having a tire that can still be driven 50 miles after air pressure loss would be very helpful.
In the not-so-distant past, run-flat tires were only available to select high-performance applications. In other words, only a small percentage of drivers could take advantage of this technology. Many of the available sizes were only for low-profile, high-performance applications and resulted in a stiff ride, short wear, and mediocre all-season traction. Bridgestone has changed all of that with the introduction of the DriveGuard.
With it's 60,000-mile treadwear warranty, good ride quality and great wet traction, the Bridgestone DriveGuard may be a great choice for those looking for the extra peace of mind of using run-flat tires without the issues that many older run-flats brought to the table. Read more about the DriveGuard in, "The Best Run-Flat Tire for Your Passenger Car: Bridgestone's DriveGuard."
When the time came to test the winter traction of the DriveGuard, we decided to include it in our winter testing program in Sweden.
As you can see from the video, the controlled winter testing conditions in northern Sweden are ideal for finding out if tires are up to the task of handling the most challenging winter driving conditions. We found that the Bridgestone DriveGuard was pretty much equal on the ice compared to the another tire in the test, the Pirelli Cinturato P7 All Season Run Flat. However, in the snow, the Pirelli did have an advantage in braking, acceleration and cornering traction.
You can check out more testing information by visiting our tire test results.