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305/30R18 Tires

Planning out your tire purchase is a good idea, but no plan is complete without considering the tire size you need for your vehicle. The tire size is not just a number, it is an intricate combination of numbers and letters – all of which have their own meaning. Keeping to the vehicle’s recommended tire size and finding the tires that work best for you in that category is the reliable option.

305/30R18 Tire Size Explanation

  • 305 - This number represents the tire’s width in millimeters, measured from one shoulder to the other. In this case, the tire’s width is 305 mm (12.01 inches).
  • 30 - The aspect ratio is expressed as a percentage of the tire’s height to its width. A 30-aspect ratio means that the tire’s height is 30% of its width (in this case it is 91.5 mm / 3.6 inches).
  • R - This indicates that the tire was manufactured with a radial construction, which is the most common tire construction type used today.
  • 18 - This last number denotes the diameter of the wheel in inches. This tire was manufactured to be mounted on 18-inch (457.2 mm) wheels.

Factors to Consider When Choosing 305/30R18 Tires:

When shopping for tires, choose the ones that work best for your vehicle. However, tire size is not the only thing you need to keep in mind when shopping for new tires.

Vehicle Compatibility:

While the 305/30R18 tires might be what you want, it depends on your vehicle’s needs. Check the recommended tire size before purchasing.

Tire Type:

After deciding on the tire size, figure out whether you need snow tires or all season tires (maybe even summer tires) for your specific application.

Tread Pattern:

305/30R18 tires feature a specially designed tread patterns. This enables the tire’s performance in versatile weather conditions.


Create a budget! 305/30R18 tires can be pricey and creating a budget range will help you decide between different tires more easily.

Brand and Quality:

Research the tires you are interested in before finalizing your purchase. Get the quality tires that work best for your vehicle.

Load and Speed Rating:

Matching load ranges, load indexes, and speed ratings to the vehicle’s needs is crucial to ensure a secure performance.

Tire Maintenance

Consistent tire maintenance helps lengthen the usability and durability of each 305/30R18 tire. Make sure to check your tires regularly.


If 305/30R18 tires are the correct size for your vehicle, don’t forget to consider other factors as well. When every tire puzzle piece is placed where it belongs, 305/30R18 tires offer exceptional performance, handling, and traction. This results in a safer driving experience as the tires are specifically chosen to optimize the vehicle’s performance, the driving habits, and the vehicle’s ability to perform in different weather and road conditions.

(11) Results found:
  • Atlas Force UHP 305/30R18 97W AS A/S All Season Tire

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    Atlas Tire

    Atlas Tire Force UHP

    305/30R18, 97W, SL
    • All SeasonAll Season
    • High PerformanceHigh Performance
    • N/A

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    MSRP $171.75
    Total for 4: $558.84
    You save $32.04 (19%)
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