235/50R18 tires are in stock in 85 options spanning brands from Continental and Pirelli to Nokian, Falken, Hankook, Kumho, Toyo, General and value names like Ironman and Arroyo. That breadth covers touring, all-season, all-weather and performance builds at prices from about $110 to $560 per tire. Every order ships free, across all tire sizes Affirm financing is available, and delivery moves quickly through a nationwide network.
Shop 235/50R18 Tires In Stock
Showing 36 in stock.
What 235/50R18 tires means
The 235/50R18 code describes the tire's shape in three parts. The 235 is the section width in millimeters (about 9.25 inches) measured across the widest part of the tread. The 50 is the aspect ratio, meaning the sidewall height equals 50% of the section width — here that works out to 117.5 mm, or roughly 4.63 inches. The 18 is the wheel (rim) diameter in inches the tire is built to mount on.
Add two sidewalls to the rim and you get an overall tire diameter of about 27.25 inches, which turns roughly 740 revolutions per mile. Those numbers matter to a buyer for real reasons: staying close to this diameter keeps your speedometer and odometer readings accurate, the 4.63-inch sidewall sets how much cushion you get over bumps, and the overall size determines whether the tire clears your suspension and fenders. Swapping to a very different diameter can throw off calibration and clearance.
Vehicles & uses
This is a widely used passenger fitment. Retailers commonly group 235/50R18 with all-season and touring builds aimed at passenger cars, along with crossover, CUV and minivan applications. In practice that means many everyday sedans, wagons and small-to-midsize crossovers use a size in this neighborhood. Because exact fitment depends on your specific vehicle, confirm against your door-jamb placard or owner's manual before ordering rather than assuming a make or model.
Brands & options in 235/50R18 tires
The lineup spans clear tiers. On the premium and touring side, Continental offers several builds including the SecureContact AW, the ProContact RX and the ProContact TX, alongside Pirelli and Vogue.
For all-season and all-weather performance, look at Nokian with the Outpost APT and the One, Falken with the Aklimate and the Ziex CT60 A/S, and General with the Altimax 365AW. Kumho, Hankook, Toyo and Nitto round out this group.
Value-focused choices include GT Radial with the Maxtour LX and MaxClimate, Hercules with the Roadtour Connect AS, and Nexen with the N'Priz AH5, plus Ironman, Kenda, Arroyo and Advanta.
How to choose
Season
Pick a summer tire for warm-weather grip, an all-season for year-round versatility in mild climates, an all-weather build if you want snow capability without a dedicated swap, or a winter tire if you face hard freezes and snow. Many 235/50R18 options are all-season or all-weather.
Treadwear & UTQG
The UTQG rating covers treadwear, traction and temperature. A higher treadwear number generally suggests longer expected life, while traction and temperature grades describe grip and heat resistance. Compare these on each tire's own page.
Load index & speed rating
The load index and speed rating (the numbers and letter after the size, such as 97V) tell you a tire's rated carrying capacity and top sustained speed. Match or exceed what your vehicle requires, and never go below the original spec.
Warranty
Mileage warranties vary by model. Check the specific warranty listed with each tire so you know what's covered before buying.
Frequently Asked Questions
What does 235/50R18 tires mean? The 235 is the tread width in millimeters (about 9.25 inches), 50 means the sidewall is half that width (117.5 mm / 4.63 inches), and 18 is the rim diameter in inches. The overall diameter is about 27.25 inches at roughly 740 revolutions per mile.
How much do 235/50R18 tires cost? Prices range from about $110.18 to $560.00 per tire depending on brand, season and performance level. Free shipping applies to every order and Affirm financing is available.
Which brands offer 235/50R18 tires? Options include Continental, Pirelli, Nokian, Falken, Hankook, Kumho, Toyo, Nitto, General, GT Radial, Hercules, Nexen and value brands like Ironman and Arroyo — 85 choices in all.