There is a ride/handling advantage to reducing “unsprung” chassis weight (tires, wheels, brakes), but the difference in 18-inch versus 20-inch wheels is negligible in that quest.

Take the Wrangler, for example. Back in '87, a Wrangler came with little 28-inch tires. Then the TJ came along and got 29s. The Rubicon stepped it up to 31-inch 245/75-16s.

Since 1 centimeter equals 0.393 inch, we next multiply 28.5 by 0.393, arriving at the tire's width of 11.2 inches. Next comes the tricky part.

The two-door version of the 2024 Wrangler gets a new option package called Xtreme 35 Tire that adds 35-inch tires and a lift kit, among other features.

With the release of the 911 Carrera GTS this April, Porsche will also offer a factory approved aftermarket tire for customers who want more grip at the racetrack. The tire, a Pirelli P-Zero Corsa ...