245/40R20 tires are in stock right now with 56 options spanning more than 20 brands, from premium touring names to budget-friendly performance choices. Every order ships free, ships fast from a nationwide network, and can be split into payments with Affirm financing. Below you'll find what the size code means, the vehicles it commonly serves, the brands available, and how to pick the right set.
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What 245/40R20 tires means
Reading the code left to right tells you exactly what fits your wheel:
- 245 — section width of 245 mm (about 9.65 in) across the widest part of the tire.
- 40 — aspect ratio, meaning the sidewall height is 40% of the section width. That works out to about 98 mm (3.86 in) of sidewall.
- R20 — radial construction on a 20-inch rim.
Add it all up and the overall tire diameter is roughly 27.72 inches, turning about 728 revolutions per mile. Those numbers matter because they keep your speedometer and odometer accurate, they set how much clearance the tire needs in the wheel well, and the relatively short 40-series sidewall trades some ride cushion for a firmer, more responsive feel. Match the diameter and revolutions closely to your original size to avoid speedometer error.
Vehicles & uses
245/40R20 is a wide, low-profile, large-diameter size in the higher-performance passenger class. Tire manufacturers list this size across a broad range of sedans, coupes, and crossovers fitted with 20-inch wheels, and industry references show it fitting well over a hundred vehicle models. Because fitment depends on your exact year, make, model, and factory equipment, confirm this size is called for on your door placard or owner's manual before ordering.
Brands & options in 245/40R20 tires
You can browse the full tire selection or focus on this size below. Premium and touring choices include Pirelli and Continental, plus the Sumitomo HTR AS P03 for all-season versatility.
Performance
The Venom Power lineup offers the Ragnarok GTS and the Covert Grip Asp, while Lexani is represented by the LX-TWENTY and the RFX Plus. Toyo, Nitto, Falken, and Kumho round out the sportier picks.
Value
Budget-conscious shoppers can look at the Nexen N'Priz S and NEX N5000 Platinum, the Lionhart LH-FIVE, and the Kenda KR400. For a distinctive whitewall look, Vogue offers the Custom Built Radial VIII White/Red, the White/Blue version, and the VOG Custom Built Radial. Nokian, General Tire, Ironman, Arroyo, Laufenn, Hankook, and Hercules are also available in this size.
How to choose
Season: Summer tires deliver the most grip in warm, dry conditions; all-season tires balance year-round usability; and winter tires are built for cold, snow, and ice. Choose based on your climate and how you drive.
Treadwear & UTQG: The Uniform Tire Quality Grading rating on the sidewall covers treadwear, traction, and temperature. A higher treadwear number generally suggests a longer-lasting tread compound, while performance-focused tires often trade longevity for grip.
Load index & speed rating: Every tire carries a load index and a speed rating (for example, 95V or 99V among the options here). Always meet or exceed the load and speed values your vehicle requires, and confirm those against your placard.
Warranty: Coverage varies by brand and model, so compare mileage and workmanship terms on the tire you're considering before buying.
Frequently Asked Questions
What does 245/40R20 mean?
It describes a tire 245 mm wide with a sidewall 40% of that width (about 98 mm), built radially for a 20-inch rim. The overall diameter is roughly 27.72 inches and it turns about 728 revolutions per mile.
How much do 245/40R20 tires cost?
Prices range from about $116 to $517 per tire depending on the brand and model you choose.
How many 245/40R20 tires are available?
There are 56 tires in this size in stock across more than 20 brands, with free shipping and Affirm financing available.