: Low-profile tires can have lower load-carrying capacities. Ensure your new tires meet or exceed the load rating of your car's original tires, especially for heavier vehicles like SUVs.
: Maintaining the original diameter is critical to avoid throwing off your speedometer, ABS calibration, and traction control systems. how to buy low profile tires
: Expect to pay a premium for the advanced construction and specialized rubber compounds used in these tires. : Low-profile tires can have lower load-carrying capacities
Low-profile tires generally represent a higher total cost of ownership than standard tires. : Expect to pay a premium for the
: If you frequently encounter potholes, avoid ultra-low profiles (ratios of 30 or 35). A 45 or 50 series tire provides a safer margin to prevent bent rims or pinch flats.
: Low-profile tires typically require higher pressures (35–44 PSI). Because their sidewalls are stiff, they do not "sag" when underinflated, making manual monthly pressure checks essential to prevent internal damage.
Low-profile tires are categorized by their aspect ratio, found as the second number in a tire code (e.g., the "40" in 245/40R18).