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305/40R18 Tires

Getting the correct tire size is crucial when buying new tires. While tire size does not dictate the specific characteristics each tire has, it is something that cannot be neglected when searching for your next tire set. Each tire size consists of numbers and letters that have specific meanings. The different components of the tire size together determine on which vehicles and in what type of applications these tires can be used. Learn more about what each section of the tire size means.- Read more

305/40R18 Tires

Getting the correct tire size is crucial when buying new tires. While tire size does not dictate the specific characteristics each tire has, it is something that cannot be neglected when searching for your next tire set. Each tire size consists of numbers and letters that have specific meanings. The different components of the tire size together determine on which vehicles and in what type of applications these tires can be used. Learn more about what each section of the tire size means.- Read more
1 Product

5/5

10

Nitto NT555RII 305/40R18 106W

305/40R18 • Summer

UTQG

100AA

Vehicle Type

Racing

Tire Type

High Performance


$524.99

/ per tire


Up to 4 days delivery

Enter ZIP for estimate
1 Product

5/5

10

Nitto NT555RII 305/40R18 106W

305/40R18 • Summer

UTQG

100AA

Vehicle Type

Racing

Tire Type

High Performance


$524.99

/ per tire


Up to 4 days delivery

Enter ZIP for estimate

Price

$
-
$

305/40R18 Tires

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).


40

The aspect ratio is expressed as a percentage of the tire’s height to its width. A 40-aspect ratio means that the tire’s height is 40% of its width (in this case it is 122 mm / 4.8 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 305/40R18 Tires:

Apart from the tire size, drivers must consider multiple other factors as well, before deciding which tires to purchase. Here are some things to look into:

While the 305/40R18 tires might be what you want, it depends on your vehicle’s needs. Check the recommended tire size before purchasing.

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.

305/40R18 tires feature a specially designed tread patterns. This enables the tire’s performance in versatile weather conditions.

Create a reasonable budget and stick with it. This will narrow down your options, while also preventing you from overspending.

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

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

Tire Maintenance

Proper tire maintenance is crucial to ensure the tire’s lengthened usability. This helps protect the tires from tread and external damage.


Conclusion

For a popular but diverse fit, 305/40R18 tires are ideal. They can be used on various vehicles, depending on their load and speed ranges. Yet, 305/40R18 tires are still able to offer the necessary traction, handling, and durability in different applications. Make sure these tires are the right fit for your vehicle’s needs, driving habits, and weather or road conditions, and they will serve you for a long time.