Nowadays, to most of automotive, 18 inch rims are no longer uncommon. Many vehicles come with 18 inch wheels directly from the factory. 18 inch rims are well matched with your beloved SUV.
Many types of cars also have a standard option of 18 inch wheels from the manufacturer. The 18 inch rims look great and add visual appeal to the car, but they do a lot more than that as well. It all has to do with the sidewall as you get a better flex when you have a bigger wheel such as 18 inch rims.
These benefits of 18 inch rims add up if you have an SUV or pick up truck. If you are using your vehicle for towing, you will be able to carry a heavier load with the 18 inch rims wrapped in a lower profile. This option can limit the amount of flex you have on the sidewall. This means that you will have a more stable ride and the vehicle will be safer to drive. The best thing to do is check the load rating on the tire before you begin to use the 18 inch wheels.
For those who enjoy four 18 inch wheels drive action and venture off the beaten path, the 18 inch rims give you and aggressive tread. A lower profile tire taken off road could result in major damage to the 18 inch rims. Off road needs flex and a bigger rim such as 18 inch rim gives it to you.