

Pirelli Pzero (PZ4) 325/30R21
The Pirelli Pzero (PZ4) is a summer tire available in size 325/30R21. It carries load index 108, speed rating (Y), load range XL. Ships from our U.S. warehouses to your door or a local installer. Free shipping on select tires — look for the Free shipping label. On other tires, the FedEx delivery cost is shown at checkout before you pay.
Flexible Delivery Options
Deliver to Your Address
Tires arrive at your address in secure packaging via FedEx — home, business, or any street address in the 48 contiguous states you enter at checkout.
Ship to a Local Installer
Have your tires sent to a tire shop that has agreed to receive them — just use the installer's address at checkout.
Free shipping on select tires — look for the Free shipping label. On other tires, the FedEx delivery cost is shown at checkout before you pay.
Accepted Secure Payments
The full spec sheet
- ModelThe manufacturer's name for this tread pattern. The same model in another size shares the same tread design and rubber compound.
- Pzero (PZ4)
- Speed RatingA letter code for the highest sustained speed the tire is built to handle — T is 118 mph, H is 130, V is 149. Don't fit a rating lower than the one your vehicle came with.
- (Y)
- Load IndexA code for the maximum weight one tire can carry at its recommended inflation pressure. Match or beat the index listed on your driver's-door sticker.
- 108
- Load RangeThe tire's strength class, carried over from the old ply-rating system. C, D and E carry progressively more weight at higher inflation pressures — you'll mostly see them on trucks and vans.
- XL
- SeasonThe conditions the tread and rubber compound are designed for. All-season is the year-round default; winter tires stay flexible below 45°F; summer tires grip best in warm, dry weather and aren't made for snow.
- Summer
- WeightWhat a single tire weighs. It doesn't change your price — delivery is quoted at checkout, not charged by weight.
- 33.47 lbs
- SidewallHow the lettering on the tire's outer wall is finished — blackwall, white letters, and so on. It's cosmetic and doesn't affect how the tire drives.
- BSW
- Run FlatA reinforced sidewall that lets you keep driving a limited distance at reduced speed after losing air. Only fit these to a vehicle with tire-pressure monitoring.
- No
- Tire type
- Passenger
- Performance
- Ultra-High Performance
- UTQG
- 220 AA A
- Overall diameter
- 28.7"
- Tread depth
- 9/32"
- Max pressure
- 50 psi
- WidthSection width in millimetres — the tire's width from sidewall to sidewall. It's the first number in a size like 225/65R17.
- 325 mm
- Aspect RatioThe sidewall height as a percentage of the section width — the second number in 225/65R17. A lower number means a shorter sidewall.
- 30
- Rim DiameterThe wheel diameter this tire mounts on, in inches. This one has to match your wheel exactly.
- 21"
- UPC / GTIN
- 054137078500
- Part number
- 3822600
- Revolutions / mile
- 724
- Approved rim widths
- 11-12"
What you get
- * Improves braking performance and enhances handling and control* Faster water expulsion for an improved safety and control in potential aquaplaning situations* Optimal pressure distribution for safety under critical braking conditions, on straight and through corners* Improved braking and traction also at high speed thanks to an increased pattern stiffness with optimized and constant area* Significantly reduces noise inside the vehicle - select items only* Allows you to drive on without losing air pressure even after the tire has been punctured by an external object - select items only
Vehicles this tire fits
Pirelli Pzero (PZ4) 325/30R21 is listed for 5 models from 2 makes. Always check the size on your door placard.
- Aston Martin DB122024–2025
- Aston Martin Vanquish2025
- Aston Martin Vantage2025
- Porsche 9112016–2019
- Porsche Panamera2020–2024
Genuine Brand-Name Tires
Authentic brand-name tires, brand new and never mounted. Manufacturer warranties apply as each brand sets them.
48-State Shipping
Tracked FedEx delivery to street addresses in the 48 contiguous states.
Transparent Pricing
Every charge is shown before you pay — clear, upfront pricing.
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