60,000mi warrantyTreadwear 640Traction B
$197.99Details
Tire Size Guide
275/45R21 Tires
34 tires availableFrom $197.99 – $491 per tire
275
Width (mm)
45
Aspect Ratio
21"
Rim Diameter
Vehicles Using 275/45R21
2025 Mercedes-Benz
GLS5802025 Mercedes-Benz
GLE4502025 Mercedes-Benz
GLE53 AMG2025 Ford
Explorer2025 Mazda
CX-90 PHEV2025 Mazda
CX-902025 Mercedes-Benz
GLE3502025 Mercedes-Benz
EQS 580
GLS5802025 Mercedes-Benz
GLE4502025 Mercedes-Benz
GLE53 AMG2025 Ford
Explorer2025 Mazda
CX-90 PHEV2025 Mazda
CX-902025 Mercedes-Benz
GLE3502025 Mercedes-Benz
EQS 580
+ 8 more vehicles use this size
Shop This Size by Category or Brand
All 275/45R21 Tires
0Treadwear 300Traction AA
$252Details
0Treadwear 500Traction A
$308Details
0Treadwear 300Traction AA
$330Details
Treadwear 280Traction A
$336Details
50,000mi warrantyTreadwear 520Traction A
$337Details
55,000mi warrantyTreadwear 540Traction A
$339Details
0Treadwear 300Traction A
$345Details
40,000mi warrantyTreadwear 380Traction A
$355Details
0Treadwear 240Traction AA
$357Details
0Treadwear 520Traction A
$376Details
0Treadwear 500Traction A
$377Details
60,000mi warrantyTreadwear 700Traction A
$381Details
40,000mi warrantyTreadwear NONETraction NONE
$397.97Details
20,000mi warrantyTreadwear 220Traction A
$408Details
0Treadwear 240Traction A
$439Details
20,000mi warrantyTreadwear 300Traction AA
$448Details
0Treadwear 280Traction AA
$464Details
45,000mi warrantyTreadwear 540Traction AA
$477Details
0Treadwear 280Traction AA
$491Details
Bridgestone Alenza AS Ultracomfort
The Alenza AS Ultra is ideal for drivers seeking a comfortable and long-lasting touring tire with an excellent 80,000-mile warranty. However, its 'R' speed rating may not suit those needing higher speed performance.
80,000mi warrantyTreadwear 800Traction A
The Alenza A/S 02 is a solid choice for drivers seeking a comfortable and quiet ride with a long tread life. However, the lack of a treadwear warranty may deter those who want assurance of mileage performance.
0Treadwear 700Traction A
0Treadwear 240Traction AA
The CrossContact LX Sport is best for drivers who value comfort and noise reduction in their daily commutes or long trips. The lack of a treadwear warranty and a lower speed rating are its main drawbacks, especially for those who drive at higher speeds or want mileage guarantees.
0Treadwear 480Traction A
50,000mi warrantyTreadwear 400Traction A
0Treadwear NONETraction NONE
0Treadwear 300Traction A
60,000mi warrantyTreadwear 700Traction A
0Treadwear 400Traction A
Advanta HPZ-02performance
The Advanta HPZ-02 is best for drivers who prioritize wet and dry grip over comfort, with a solid 50,000-mile warranty to back it up. However, those sensitive to road noise and ride harshness might prefer alternatives like the Goodyear Eagle Sport All-Season.
50,000mi warrantyTreadwear 420Traction AA
25,000mi warrantyTreadwear 240Traction AA
50,000mi warrantyTreadwear 500Traction A
FAQ
What does 275/45R21 mean?
275/45R21 breaks down as follows: 275mm is the tire's section width (the widest point), 45 is the aspect ratio (sidewall height as a percentage of width), R means radial construction, and 21 is the wheel diameter in inches.
What vehicles use 275/45R21 tires?
275/45R21 is a common fitment for vehicles like the 2025 Mercedes-Benz GLS580, 2025 Mercedes-Benz GLE450, 2025 Mercedes-Benz GLE53 AMG, 2025 Ford Explorer and others. Always confirm your specific trim's fitment before purchasing.
How much do 275/45R21 tires cost?
275/45R21 tires range from $197.99 to $491 per tire. Budget brands start under $200, while premium options can exceed $400. Compare options above for the best price for your needs.
275/45R21 Research Guides
Buying Guide
Speed Rating Chart
A practical chart for common tire speed ratings and what they mean for everyday driving.
Read guideBuying Guide
UTQG Ratings Explained
Understand treadwear, traction, and temperature grades and when UTQG comparisons are useful.
Read guideBuying Guide
When to Replace Tires
Know the real tread-depth, age, and wear-pattern signs that mean your tires are ready to be replaced.
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