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It features adaptive tread technology that adjusts to your driving style, ensuring best-in-class braking on both wet and dry roads.
  • EcoContact tyres Q: Specifically optimised for electric and hybrid vehicles. Look for the EV-Ready symbol to ensure the tyre can handle the instant torque and additional battery weight while maximising range.
  • Vehicle Verification: Always consult your vehicle's manual or tyre placard (located on the driver's side doorjamb) to confirm the required load index and speed rating (e.g., 100V or 104V XL).
  • By carefully evaluating these factors, you can select the Continental 235/55 R18 tyres that best suit your driving lifestyle and maximise your vehicle's performance.

    Understanding 235/55 R18 specifications

    • 235: Indicates the tyre's section width in millimeters (235 mm).
    • 55: Represents the aspect ratio, meaning the sidewall height is 55% of the 235 mm width. This low-profile design enhances cornering stability and steering response.
    • R: Signifies radial construction, the industry standard for modern road tyres.
    • 18: Denotes the wheel diameter in inches, meaning the tyre is designed to fit a 18-inch rim.

FAQs about 235/55 R18 tyres

The code 235/55 R18 is an alphanumeric system that specifies a tyre's size and construction. 235 is the section width in millimeters, 55 is the aspect ratio, R stands for radial construction, and 18 indicates the wheel diameter in inches. Using the correct tyre size ensures proper fitment and maintains accurate speedometer readings.

Changing the tyre size can impact your speedometer's accuracy, handling characteristics, braking performance, and even the functionality of safety systems like ABS and traction control. If you're considering a different size, consult with a tyre specialist to ensure the alternative size is compatible with your vehicle and won't compromise safety or performance.

The recommended tyre pressure for 235/55 R18 tyres varies depending on the vehicle. The best place to find this information is on the tyre placard, typically located on the driver's side doorjamb, or in your vehicle's owner's manual. Maintaining the correct tyre pressure is crucial for optimal tyre performance, fuel efficiency, and safety. Underinflated tyres can lead to decreased fuel economy and increased risk of tyre failure, while overinflated tyres can reduce grip and cause uneven wear. Regularly check and adjust your tyre pressure to the recommended level to ensure a smooth and safe driving experience. You can also check our website for tyre pressure information.

The 235/55 R18 tyre size is commonly used on a variety of vehicle models, including SUVs, crossovers, and sedans. These vehicles often require tyres that provide a balance of comfort, handling, and load-carrying capacity. Here are some popular models that commonly use this tyre size:

Vehicle Type

Popular Models

Common Years

SUVs

Volvo XC60, Audi Q3, BMW X3

2018-Present

Crossovers

Nissan Qashqai, Toyota RAV4, Honda CR-V

2019-Present

Sedans

Volkswagen Passat, Ford Fusion, Buick Regal

2017-Present

Several car manufacturers frequently use 235/55 R18 tyres on their vehicles, indicating the versatility and broad applicability of this tyre size. Volvo, for instance, often equips its XC60 models with these tyres, emphasizing safety and comfort. Audi also uses this size on models like the Q3, focusing on delivering a blend of performance and ride quality. BMW incorporates 235/55 R18 tyres into its X3 series, balancing handling and stability. Nissan, Toyota, and Honda also frequently include this tyre size on their crossover models, ensuring reliability and all-around performance. Volkswagen, Ford, and Buick use these tyres on sedans, providing a comfortable and efficient driving experience.


Choosing the correct tyre size, like the 235/55 R18, is crucial for maintaining your vehicle's performance, safety, and warranty. Continental provides a comprehensive range of options precisely engineered to meet these needs. By selecting tyres with the exact specifications and homologations, you ensure that your vehicle operates at its peak potential. This not only enhances your driving experience but also preserves the validity of your vehicle's warranty.