275/40R19 tire size meaning:
275 = Tire width is 275 mm
40 = Sidewall height is 40% of 275 mm
R = Radial tire construction
19 = Fits a 19-inch wheel rim
Approximate dimensions:
Sidewall height: about 110 mm
Overall tire diameter: about 27.7 inches (703 mm)
Commonly used on:
Performance SUVs
Luxury sedans
Sports cars