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.
Best Continental Tyres In 235/55 R18
Continental tyres are known for their superior engineering and cutting-edge technology, delivering unparalleled performance and safety. For the 235/55 R18 size—a popular choice for modern SUVs and crossovers—Continental offers several outstanding options tailored to different driving needs and vehicle types.
From all-season tyres providing balanced performance to specialized or year-round options, Continental ensures you find the perfect match for your driving style and environmental conditions.
Top Continental Models In 235/55 R18
For the 2026 season, these are our flagship recommendations for the 235/55 R18 specification:
Understanding 235/55 R18 Specifications
The 235/55 R18 tyre size designation provides critical information about the tyre's dimensions and construction:
- 235: Indicates the tyre's section width in millimeters (235 mm) from sidewall to sidewall.
- 55: The aspect ratio, representing the sidewall height as 55% of the 235 mm width. This provides a balance of handling response and shock absorption.
- R: Signifies radial construction, the industry standard for modern road tyres.
- 18: Denotes the wheel diameter in inches, meaning this tyre is designed to fit an 18-inch rim.
FAQs About 235/55 R18 Tyres
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 tire pressure for 235/55 R18 tires varies depending on the vehicle. The best place to find this information is on the tire placard, typically located on the driver's side doorjamb, or in your vehicle's owner's manual. Maintaining the correct tire pressure is crucial for optimal tire performance, fuel efficiency, and safety. Underinflated tires can lead to decreased fuel economy and increased risk of tire failure, while overinflated tires can reduce grip and cause uneven wear. Regularly check and adjust your tire pressure to the recommended level to ensure a smooth and safe driving experience. You can also check our website for tire pressure information.