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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. Michelin Pilot Sport All Season 4 235/40R18 ZR 95Y XL
    Michelin Logo
    Michelin Pilot Sport All Season 4 235/40R18 ZR 95Y XL
    235/40R18
    All Season
    High Performance
      45,000 miles
    In Stock (10+)
    MSRP $262.75 per tire $211.99
    In Stock (10+)
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    SKU N1394475-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating Y
    Performance High Performance
    MPN 39076
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Michelin
    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 Pilot Sport All Season 4
    Rim Diameter 18
    Treadlife/Mileage 45,000 miles
  2. Hankook Ventus S1 AS (HN) 235/40R18 91W
    Hankook Logo
    Hankook Ventus S1 AS (HN) 235/40R18 91W
    235/40R18
    All Season
    High Performance
    In Stock (10+)
    MSRP $141.75 per tire $117.89
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1489516-99
    Type Passenger
    Road Hazard Warranty No
    Load Range SL
    Speed Rating W
    Performance High Performance
    MPN 1025517
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Hankook
    UTQG 560AA
    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 Ventus S1 AS
    Rim Diameter 18
  3. Kumho Ecsta LX Platinum 235/40R18 95W XL
    Kumho Logo
    Kumho Ecsta LX Platinum 235/40R18 95W XL
    235/40R18
    All Season
    High Performance
      60,000 miles
    In Stock (10+)
    MSRP $225.75 per tire $185.99
    In Stock (10+)
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    SKU N1465710-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 2105083
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Kumho
    UTQG 600AA
    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 Ecsta LX Platinum
    Rim Diameter 18
    Treadlife/Mileage 60,000 miles
  4. BFGoodrich g-Force COMP-2 A/S+ 235/40R18 ZR 95Y XL AS A/S All Season Tire
    BFGoodrich Logo
    BFGoodrich g-Force COMP-2 A/S+ 235/40R18 ZR 95Y XL AS A/S All Season Tire
    235/40R18
    All Season
    High Performance
      45,000 miles
    Low Stock (1)
    MSRP $264.75 per tire $216.71
    Low Stock (1)
    Enter your zip code for delivery times
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    SKU N1445062-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 11407
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand BFGoodrich
    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 g-Force COMP-2 A/S+
    Rim Diameter 18
    Treadlife/Mileage 45,000 miles
  5. Fullrun F7000 235/40R18 95W XL
    Fullrun Logo
    Fullrun F7000 235/40R18 95W XL
    235/40R18
    All Season
    High Performance
    In Stock (10+)
    MSRP $109.75 per tire $88.99
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1449596-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN F70001807
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Fullrun
    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 F7000
    Rim Diameter 18
  6. Continental ExtremeContact DWS 06 Plus 235/40R18 ZR 95Y XL
    Continental Logo
    Continental ExtremeContact DWS 06 Plus 235/40R18 ZR 95Y XL
    235/40R18
    All Season
    High Performance
      50,000 miles
    In Stock (10+)
    MSRP $227.75 per tire $187.99
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1486259-99
    Type Passenger
    Road Hazard Warranty No
    Load Range XL
    Speed Rating Y
    Performance High Performance
    MPN 15572850000
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Continental
    UTQG 560AAA
    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 ExtremeContact DWS 06 Plus
    Rim Diameter 18
    Treadlife/Mileage 50,000 miles
  7. Hankook Ventus V2 Concept2 235/40R18 95W XL
    Hankook Logo
    Hankook Ventus V2 Concept2 235/40R18 95W XL
    235/40R18
    All Season
    High Performance
      45,000 miles
      Road Hazard Warranty
    In Stock (10+)
    MSRP $173.75 per tire $146.99
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1486824-99
    Type Passenger
    Road Hazard Warranty Yes
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 1027433
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Hankook
    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 Ventus V2 Concept2
    Rim Diameter 18
    Treadlife/Mileage 45,000 miles
  8. Continental ProContact RX 235/40R18 91V
    Continental Logo
    Continental ProContact RX 235/40R18 91V
    235/40R18
    All Season
    Touring
      45,000 miles
    In Stock (10+)
    MSRP $246.75 per tire $202.61
    In Stock (10+)
    Enter your zip code for delivery times
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    SKU N1421074-99
    Type Passenger
    Road Hazard Warranty No
    Load Range SL
    Speed Rating V
    Performance Touring
    MPN 15499390000
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Continental
    UTQG 400AA
    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 ProContact RX
    Rim Diameter 18
    Treadlife/Mileage 45,000 miles
  9. Michelin Pilot Sport Cup 2 Connect 235/40R18 ZR 95Y XL
    Michelin Logo
    Michelin Pilot Sport Cup 2 Connect 235/40R18 ZR 95Y XL
    235/40R18
    Summer
    High Performance
    In Stock (10+)
    MSRP $357.75 per tire $299.99
    In Stock (10+)
    Enter your zip code for delivery times
    Show tire specifications Hide tire specifications
    SKU N1431599-99
    Type Racing
    Road Hazard Warranty No
    Load Range XL
    Speed Rating Y
    Performance High Performance
    MPN 37003
    Overall Diameter 25.4
    Season Summer
    Aspect Ratio 40
    Brand Michelin
    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 Pilot Sport Cup 2 Connect
    Rim Diameter 18
  10. Landsail LS588 UHP 235/40R18 ZR 95W XL
    Landsail Logo
    Landsail LS588 UHP 235/40R18 ZR 95W XL
    235/40R18
    All Season
    High Performance
      50,000 miles
      Road Hazard Warranty
    In Stock (10+)
    MSRP $93.75 per tire $78.99
    In Stock (10+)
    Enter your zip code for delivery times
    Show tire specifications Hide tire specifications
    SKU N923901-99
    Type Passenger
    Road Hazard Warranty Yes
    Load Range XL
    Speed Rating W
    Performance High Performance
    MPN 582316
    Overall Diameter 25.4
    Season All Season
    Aspect Ratio 40
    Brand Landsail
    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 LS588 UHP
    Rim Diameter 18
    Treadlife/Mileage 50,000 miles