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235/40R18 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.

235/40R18 Tire Size Explanation

  • 235 - This number represents the tire’s width in millimeters, measured from one shoulder to the other. In this case, the tire’s width is 235 mm (9.25 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 94 mm / 3.7 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 235/40R18 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:

Vehicle Compatibility:

Match the tire size to your vehicle. Check whether 235/40R18 tires will work with it and purchase tires of the right tire size.

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:

The optimized tread pattern of 235/40R18 tires helps improve the vehicle’s performance and driving safety.

Budget:

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

Brand and Quality:

Depending on the tire brand you purchase, you will get different quality tires. For this reason, it is important to do some research before buying the tires.

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 235/40R18 tire. Make sure to check your tires regularly.

Conclusion:

235/40R18 tires are a popular in the U.S. tire market, as they are suitable for a wide range of vehicles. These tires make sure that they offer the best possible handling, traction, and driving durability in versatile applications. If you wish to purchase these tires, make sure to check out all of the options available and buy the set that suits your driving habits, the road and weather conditions in your area, and, most importantly, your vehicle’s needs. With proper tire maintenance, your 235/40R18’s service life will be maximized.

View as List Grid

155 Results found

  1. Zeta Meglio 235/40R18 ZR 97W XL
    Zeta Logo
    Zeta Meglio 235/40R18 ZR 97W XL
    235/40R18
    All Season
    High Performance
      50,000 miles
    In Stock (10+)
    MSRP $93.75 per tire $77.64
    In Stock (10+)
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    SKU N1365149-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 7113601
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Zeta
    UTQG 500AA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 97
    Section Width 235
    Model Meglio
    Rim Diameter 18
    Treadlife/Mileage 50,000 miles
  2. General G-MAX AS-07 235/40R18 ZR 95W XL
    General Logo
    General G-MAX AS-07 235/40R18 ZR 95W XL
    235/40R18
    All Season
    High Performance
      50,000 miles
    In Stock (10+)
    MSRP $207.75 per tire $171.99
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1578443-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 15579800000
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand General
    UTQG 500AAA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model G-MAX AS-07
    Rim Diameter 18
    Treadlife/Mileage 50,000 miles
  3. Milestar MS932 Sport 235/40R18 95W XL
    Milestar Logo
    Milestar MS932 Sport 235/40R18 95W XL
    235/40R18
    All Season
    High Performance
      50,000 miles
    In Stock (10+)
    MSRP $120.75 per tire $100.95
    In Stock (10+)
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    SKU N1537975-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 24080028
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Milestar
    UTQG N/A
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model MS932 Sport
    Rim Diameter 18
    Treadlife/Mileage 50,000 miles
  4. Lancaster LR-66 235/40R18 ZR 95W XL
    Lancaster Logo
    Lancaster LR-66 235/40R18 ZR 95W XL
    235/40R18
    All Season
    High Performance
      45,000 miles
    In Stock (10+)
    MSRP $90.75 per tire $78.68
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1484320-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN LC0430
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Lancaster
    UTQG 420AA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model LR-66
    Rim Diameter 18
    Treadlife/Mileage 45,000 miles
  5. Waterfall Eco Dynamic Steel Belted 235/40R18 95W XL AS A/S All Season Tire
    Waterfall Logo
    Waterfall Eco Dynamic Steel Belted 235/40R18 95W XL AS A/S All Season Tire
    235/40R18
    All Season
    High Performance
      45,000 miles
    In Stock (10+)
    MSRP $97.75 per tire $79.99
    In Stock (10+)
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    SKU N1019730-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN UHP-1802-WF
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Waterfall
    UTQG 400AA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model Eco Dynamic
    Rim Diameter 18
    Treadlife/Mileage 45,000 miles
  6. Federal 595RS-PRO 235/40R18 ZR 91Y
    Federal Logo
    Federal 595RS-PRO 235/40R18 ZR 91Y
    235/40R18
    Summer
    High Performance
    In Stock (10+)
    MSRP $184.75 per tire $151.68
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1184692-99
    Type Racing
    Road Hazard Warranty No
    Load Range SL
    Speed Rating Y
    Performance High Performance
    MPN B3CL8AFE
    Overall Diameter 25.4
    Season Summer
    Aspect Ratio 40
    Brand Federal
    UTQG 200AAA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 91
    Section Width 235
    Model 595RS-PRO
    Rim Diameter 18
  7. Nexen N5000 Platinum 235/40R18 95W XL
    Nexen Logo
    Nexen N5000 Platinum 235/40R18 95W XL
    235/40R18
    All Season
    High Performance
      55,000 miles
    In Stock (10+)
    MSRP $175.75 per tire $154.99
    In Stock (10+)
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    SKU N1494870-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 18209NXK
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Nexen
    UTQG 580AA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model N5000 Platinum
    Rim Diameter 18
    Treadlife/Mileage 55,000 miles
  8. Summit Ultramax HP A/S 235/40R18 95W XL
    Summit Logo
    Summit Ultramax HP A/S 235/40R18 95W XL
    235/40R18
    All Season
    High Performance
      50,000 miles
    In Stock (10+)
    MSRP $99.75 per tire $79.99
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1494717-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 10287
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Summit
    UTQG 480AAA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model Ultramax HP A/S
    Rim Diameter 18
    Treadlife/Mileage 50,000 miles
  9. Nexen Classe Premiere CP672 235/40R18 95H XL
    Nexen Logo
    Nexen Classe Premiere CP672 235/40R18 95H XL
    235/40R18
    All Season
    Touring
      70,000 miles
    In Stock (10+)
    MSRP $142.75 per tire $125.99
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1540449-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating H
    Performance Touring
    MPN 11196NXK
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Nexen
    UTQG 500AA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model Classe Premiere CP672
    Rim Diameter 18
    Treadlife/Mileage 70,000 miles
  10. Firestone Firehawk Indy 500 235/40R18 95W XL
    Firestone Logo
    Firestone Firehawk Indy 500 235/40R18 95W XL
    235/40R18
    Summer
    High Performance
    In Stock (10+)
    MSRP $229.75 per tire $190.99
    In Stock (10+)
    Enter your zip code for delivery times
    Show tire specifications Hide tire specifications
    SKU N944892-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 012377
    Overall Diameter 25.4
    Season Summer
    Aspect Ratio 40
    Brand Firestone
    UTQG 340AA
    Run Flat No
    Rebate Available No
    Country of Origin N/A
    Sidewall BSW: Black Side Wall
    Size 235/40R18
    Load Index 95
    Section Width 235
    Model Firehawk Indy 500
    Rim Diameter 18