Find the Best 235/45R18 Tires for Your Vehicle

This size is commonly found on mid-size sedans like Honda Accord and Toyota Camry, compact crossovers such as Mazda CX-5 and Subaru Outback, and entry-luxury vehicles including BMW 3 Series and Audi A4. Many 2015+ model year vehicles in these categories use this size as original equipment.

235 is the tire width in millimeters, 45 is the aspect ratio (sidewall height is 45% of width, or 105.75mm), R indicates radial construction, and 18 is the wheel diameter in inches. This creates a moderately low-profile tire suitable for balanced performance.

Budget options range $100-180 per tire, mid-range tires cost $150-250, and premium performance models run $200-400+. Installation and balancing typically add $25-50 per tire. Total replacement cost for a set ranges from $500-2,000 depending on brand and performance level.

Common load indices range from 94 to 98, corresponding to weight capacities of 1,477 to 1,653 pounds per tire. Load index 94 (1,477 lbs) is typical for sedans, while 98 (1,653 lbs) is common on crossovers and heavier vehicles.

Yes, this size has excellent availability in winter/snow tires from major brands like Michelin X-Ice, Bridgestone Blizzak, and Continental WinterContact. The size is also available in all-season and summer performance variants, making it versatile for different climates and driving needs.

Rotate every 5,000-7,500 miles using a cross pattern for non-directional tires or front-to-back for directional tires. The lower 45% profile makes these tires more sensitive to uneven wear, so consistent rotation is crucial for maximizing tread life and maintaining balanced handling.

This size provides a good balance between comfort and performance. The 45% sidewall offers more cushioning than ultra-low profiles while still delivering responsive handling. Expect moderate road noise, decent pothole absorption, and good steering precision - ideal for daily driving with sporty characteristics.