195/55R15 Tire Size Specifications & Compatible Vehicles

596mm107mmR15195/55R15Width: 195mm (7.7")
Overall Diameter
595.5 mm
Section Width
195 mm
Sidewall Height
107.3 mm
Circumference
1870.8 mm
Revs/Mile
860
Rim Diameter
15"

Alternative Tire Sizes

These tire sizes are within 3% overall diameter of 195/55R15 and may be used as replacements:

Understanding 195/55R15

The tire size 195/55R15 means the tire has a section width of 195mm, an aspect ratio of 55% (the sidewall height is 55% of the width), and fits a 15-inch rim.

Sidewall Height = 195 x 0.55 = 107.3 mm
Overall Diameter = (107.3 x 2) + (15 x 25.4) = 595.5 mm
Circumference = 595.5 x π = 1870.8 mm

With an aspect ratio of 55%, this is a standard-profile tire that balances ride comfort with handling precision. This profile range is the most common for passenger cars, crossovers, and light SUVs.

Choosing Replacement Tires

When replacing 195/55R15 tires, verify the size matches your vehicle's tire placard (typically found on the driver's door jamb or in the owner's manual). The NHTSA Tire Ratings Search tool lets you look up manufacturer load and speed ratings for specific tires.

Key factors beyond size: load index (must meet or exceed the vehicle's requirement), speed rating (must match or exceed the original specification), and seasonal type (all-season, summer, or winter) based on your driving conditions. The U.S. Tire Manufacturers Association recommends replacing all four tires at once, or at minimum in pairs on the same axle.