275/40R19 Tire Size Specifications & Compatible Vehicles
Overall Diameter
702.6 mm
Section Width
275 mm
Sidewall Height
110.0 mm
Circumference
2207.3 mm
Revs/Mile
729
Rim Diameter
19"
Inch Equivalent
27.7x10.8R19
Rim Width (ETRTO)
8.5" – 11.0"
Compatible Vehicles
The following vehicles use 275/40R19 tires from the factory:
Alternative Tire Sizes
These tire sizes are within 3% overall diameter of 275/40R19 and may be used as replacements:
Understanding 275/40R19
The tire size 275/40R19 means the tire has a section width of 275mm, an aspect ratio of 40% (the sidewall height is 40% of the width), and fits a 19-inch rim.
Sidewall Height = 275 x 0.4 = 110.0 mm
Overall Diameter = (110.0 x 2) + (19 x 25.4) = 702.6 mm
Circumference = 702.6 x π = 2207.3 mm
Overall Diameter = (110.0 x 2) + (19 x 25.4) = 702.6 mm
Circumference = 702.6 x π = 2207.3 mm
Frequently Asked Questions
The 275/40R19 tire size is used on 6 vehicle trims including the 2025 Ford Mustang, 2024 Ford Mustang, 2023 Ford Mustang and 3 more.
A 275/40R19 tire has an overall diameter of 702.6mm (27.7 inches). The sidewall height is 110.0mm, and the total circumference is 2207mm.
For 275/40R19 tires, the ETRTO recommended rim width is 9.5". The acceptable range is 8.5" minimum to 11.0" maximum. Using a rim outside this range can cause improper bead seating and unsafe handling.
Yes, as long as the replacement tire overall diameter is within 3% of the 275/40R19 702.6mm diameter. Compatible alternatives include 175/70R18, 245/50R18, 195/50R20. Use our Tire Size Calculator to compare any two sizes.