The Atturo AZ850 is perfect for drivers who want maximum dry grip and handling for performance-focused driving. However, its wet grip score is a significant drawback, making it less suitable for areas with frequent rain.
Tire Size Guide
255/40R21 Tires
255
Width (mm)
40
Aspect Ratio
21"
Rim Diameter
Vehicles Using 255/40R21
GV702025 BMW
i72025 BMW
750e xDrive2025 Kia
EV62025 Rolls Royce
Ghost2025 Maserati
Grecale2025 Genesis
GV702025 BMW
X4 M
+ 9 more vehicles use this size
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All 255/40R21 Tires
The Turanza 6 is a solid choice for drivers prioritizing comfort and low noise on long trips. However, its low treadwear rating and absence of a warranty could make it less appealing for those seeking longevity.
The Alenza Sport A/S is well-suited for drivers who value dry grip and handling responsiveness, with a high treadwear rating that suggests longevity. However, its wet grip and comfort scores may not meet the needs of those prioritizing a smoother, quieter ride in all conditions.
The EcoContact 6Q is a good choice for drivers who value comfort and low noise levels on long drives. However, its lack of a treadwear warranty and lower treadwear rating compared to category norms might deter those looking for a longer-lasting tire.
The ContiSportContact 5P is best suited for drivers who demand top-tier dry and wet grip along with exceptional handling capabilities. However, its moderate comfort and noise levels, along with no treadwear warranty, might deter those seeking a more balanced everyday tire.
The ContiSportContact 5 is best for performance enthusiasts who value high grip and handling precision in summer conditions. However, the absence of a treadwear warranty might be a drawback for those concerned about tire lifespan.
The CrossContact RX suits highway commuters seeking comfort and quietness in their daily drives. However, the absence of a treadwear warranty and lower treadwear rating might deter buyers focused on long-term durability.
The Potenza Sport is perfect for drivers who prioritize dry and wet grip along with exceptional handling. However, its lower comfort and noise scores may not suit those looking for a more refined daily driving experience.
FAQ
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255/40R21 Research Guides
Buying Guide
Speed Rating Chart
A practical chart for common tire speed ratings and what they mean for everyday driving.
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UTQG Ratings Explained
Understand treadwear, traction, and temperature grades and when UTQG comparisons are useful.
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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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