The Pirelli Scorpion Winter is suitable for drivers who prioritize dry grip and low noise in winter conditions, but the lack of traction data for wet, ice, and snow is a significant drawback. Consider other options if you need comprehensive winter performance assurances.
Tire Size Guide
315/45R21 Tires
2 tires available
315
Width (mm)
45
Aspect Ratio
21"
Rim Diameter
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The PremiumContact 6 is ideal for performance enthusiasts seeking top-tier dry grip and handling. However, its below-average treadwear rating may lead to more frequent replacements than some rivals, impacting overall value.
Treadwear 280Traction AA
FAQ
What does 315/45R21 mean?
315/45R21 breaks down as follows: 315mm 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 315/45R21 tires?
315/45R21 is a standard tire size found on many trucks, SUVs, and crossovers. Use our vehicle search to confirm your exact fitment.
How much do 315/45R21 tires cost?
Prices vary widely by brand, type, and feature set. Use the comparison tool above to find current pricing.
315/45R21 Research Guides
Buying Guide
Best Winter Tires 2026
Cold-weather picks for snow, ice, slush, and sub-freezing temperatures across cars, SUVs, and trucks.
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.
Read guideBuying Guide
How to Read a Tire Size
Understand width, aspect ratio, rim diameter, load index, and speed rating before you buy.
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