265/40R21 tires are in stock right now with 31 options spanning 11 brands, from touring premiums to budget-friendly performers. You'll find names like Pirelli, Continental, Michelin, Toyo, Falken, Nokian, Hankook, Lexani, Lionhart, Arroyo and Haida, all with free shipping on every order, Affirm financing, and fast delivery from a nationwide network. Whether you're replacing worn rubber or upgrading grip, this page breaks down what the size means, who it fits, and how to choose.
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Showing 31 in stock.
What 265/40R21 tires means
The 265/40R21 code describes the tire's exact geometry. The 265 is the section width in millimeters (about 10.43 inches) at the widest point of the tire. The 40 is the aspect ratio, meaning the sidewall height is 40% of the section width — that works out to roughly 106 mm, or about 4.17 inches. The R means radial construction, and 21 is the wheel diameter in inches this tire mounts to.
Put together, the overall tire diameter is about 29.35 inches, and the tire turns roughly 687 revolutions per mile. Those numbers matter to you: the overall diameter and revolutions per mile keep your speedometer and odometer reading accurately, the section width affects clearance inside the wheel well, and the relatively short 40-series sidewall trades a bit of ride cushion for crisper steering response and a planted, sporty feel.
Vehicles & uses
A 21-inch, low-profile 265-width size is most commonly found on larger performance and luxury vehicles — think sport-oriented SUVs, crossovers, and performance sedans that ship with big-diameter wheels from the factory. Michelin categorizes tires in this dimension across ultra-high-performance passenger, luxury performance touring, and SUV product families, which reflects the broad mix of road cars this size serves. Always confirm the size and load requirements listed on your door placard before ordering.
Brands & options in 265/40R21 tires
You have real breadth across every price tier. Browse all tires or narrow by brand below.
Premium & performance
On the premium side, Continental offers the SportContact 7 and the ContiSportContact 5P, plus the SUV-focused CrossContact LX Sport. Pirelli is well represented with the P-Zero (PZ4) Sport, the track-minded P-Zero Corsa (PZC4), and the Scorpion Verde All Season. From Michelin, the Latitude Sport 3 is a summer ultra-high-performance option. Falken and Nokian round out the mid-to-premium field.
Value
For strong value, Lexani offers the LX-TWENTY, Lionhart brings the LH-FIVE, and Haida carries the HD927.
How to choose
Season: Summer tires deliver the sharpest dry and wet grip in warm weather; all-season tires balance year-round usability; winter tires are engineered for cold, snow, and ice. Match the type to your climate and driving.
Treadwear & UTQG: The UTQG rating includes a treadwear grade plus traction and temperature grades. A higher treadwear number generally suggests longer life, while grippier performance tires often carry lower numbers — check the rating on the individual tire you're considering.
Load index & speed rating: The numbers and letter after the size (for example 101Y or 105W) indicate the tire's load capacity and maximum rated speed. Choose values that meet or exceed what your vehicle's placard specifies.
Warranty: Mileage and workmanship warranties vary by model, so compare the coverage listed on each product page before deciding.
Frequently Asked Questions
What does 265/40R21 tires mean? It's a size code: 265 mm section width, a 40% aspect ratio (about a 4.17-inch sidewall), radial construction, and a 21-inch wheel diameter. The overall tire stands roughly 29.35 inches tall and turns about 687 revolutions per mile.
How much do 265/40R21 tires cost? Prices currently range from about $151 to $603.99 per tire, depending on brand, model, and performance level.
Which brands are available in this size? Eleven brands are in stock, including Pirelli, Continental, Michelin, Toyo, Falken, Nokian, Hankook, Lexani, Lionhart, Arroyo, and Haida — 31 options in total.