215/45R16 Tire Size Specifications & Compatible Vehicles

Overall Diameter

599.9 mm

Section Width

215 mm

Sidewall Height

96.8 mm

Circumference

1884.6 mm

Revs/Mile

854

Rim Diameter

16"

Alternative Tire Sizes

These tire sizes are within 3% overall diameter of 215/45R16 and may be used as replacements:

195/50R16 Safe 0.3% · -20mm · same rim 205/60R14 Safe 0.3% · -10mm · -2" rim 235/35R17 Safe 0.6% · +20mm · +1" rim 215/50R15 Safe 0.7% · same width · -1" rim 215/40R17 Safe 0.7% · same width · +1" rim 195/55R15 Safe 0.7% · -20mm · -1" rim 235/40R16 Safe 0.9% · +20mm · same rim 205/55R15 Safe 1.1% · -10mm · -1" rim 205/45R16 Caution 1.5% · -10mm · same rim 225/45R16 Caution 1.5% · +10mm · same rim 195/65R14 Caution 1.5% · -20mm · -2" rim 195/60R14 Caution 1.7% · -20mm · -2" rim

Understanding 215/45R16

The tire size 215/45R16 means the tire has a section width of 215mm, an aspect ratio of 45% (the sidewall height is 45% of the width), and fits a 16-inch rim.

Sidewall Height = 215 x 0.45 = 96.8 mm
Overall Diameter = (96.8 x 2) + (16 x 25.4) = 599.9 mm
Circumference = 599.9 x π = 1884.6 mm

With an aspect ratio of 45%, this is a low-profile tire. Low-profile tires offer sharper steering response and better cornering stability, but provide a firmer ride and are more susceptible to pothole damage. They are commonly found on sport sedans and performance vehicles.

Choosing Replacement Tires

When replacing 215/45R16 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.