
Pirelli SCORPION™ ALL SEASON SF3 - One Tyre. Every Season. Total Control - 21"
102,00 € - 245,00 €
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JARGON BUSTERS
Key Markings Explained
- XL (Extra Load): Reinforced structure to handle heavier SUV weights.
- 3PMSF: Certified for severe snow conditions (All SF3 tyres carry this).
- Elect™: Tailored solutions for BEVs and PHEVs to extend range and handle instant torque.
- AO: Audi Original Equipment approval.
- MO: Mercedes-Benz Original Equipment approval.
- LR: Land Rover Original Equipment approval.
Popular Compatible Vehicles
- Audi Q7 / Q8: Uses the 275/45 R21 (AO marked) or 285/45 R21 as a standard factory fitment.
- Mercedes-Benz GLE / GLS: Compatible with sizes like 275/40 R21, 285/40 R21, and 315/35 R21 (MO marked).
- BMW X5 / X6: Uses various 21" sizes within the range, often in staggered setups like 275/40 R21 front and 315/35 R21 rear.
- Porsche Cayenne: Uses specific sizes like 295/35 R21 (check for N0 markings, as these may vary).
- Volkswagen Touareg: Compatible with 275/45 R21 or 285/45 R21.
- Land Rover Range Rover Sport: Compatible with the 275/45 R21 (LR marked) size.
- Jaguar F-Pace / I-PACE: Uses sizes like 255/40 R21 or 265/40 R21.
- Tesla Model X: Can use certain 21" performance sizes with Elect markings.
Summer tyres are most common in Ireland, offering peak fuel efficiency mileage and grip when temperatures stay above 7°C. However, they are not the official standard for winter safety. Motorists must show caution in cold conditions; below 7°C, summer rubber hardens, significantly compromising grip and wet braking performance on cold, saturated Irish roads.
All-Season tyres are the superior "fit-and-forget" solution for Ireland's wet, temperate climate. Specifically engineered to remain flexible in the cold, they provide shorter stopping distances on near-freezing, rain-soaked surfaces and carry the 3PMSF certification for frost and light snow. They offer total year-round peace of mind without the hassle of seasonal swaps.
Load Rating: Maximum Weight Capacity Explained
The load index is a numerical code representing the maximum weight in kgs that a single tyre can safely carry. To ensure safety, the combined capacity of all four tyres must exceed the vehicle’s total weight when fully loaded.
Speed Rating: Maximum Velocity Explained
Represented by a letter, the speed rating indicates the maximum kph a tyre can maintain over a prolonged period. Higher speed ratings are engineered to handle the heat and stresses generated at faster speeds more effectively.
Quick Reference Guide
- Check your requirements: You can find the specific requirements for your vehicle on the tyre information plate (usually located on the driver-side door pillar) or in the owner's manual.
- Replacement rule: It is vital never to fit a tyre with a lower load index or speed rating than those recommended by the manufacturer.
- Common Ratings: Standard ratings include T (190 kph), H (210 kph), and V (240 kph). You can view a full conversion table below..


Popular 21" Sizes and Markings
- 255/40 R21 102V XL, Elect™
- 265/40 R21 105V XL, Elect™
- 275/40 R21 107V XL, Elect™
- 275/40 R21 107V XL, Elect™, MO (Mercedes-Benz)
- 275/45 R21 110V XL, Elect™
- 275/45 R21 110V XL, Elect™, AO (Audi)
- 275/45 R21 110W XL, Elect™, LR (Land Rover)
- 285/40 R21 109V XL, Elect™
- 285/40 R21 109W XL, Elect™, MO (Mercedes-Benz)
- 285/45 R21 113V XL, Elect™
- 295/35 R21 107V XL, Elect™
- 295/40 R21 111V XL, Elect™
- 315/35 R21 111V XL, Elect™
- 315/35 R21 111V XL, Elect™, MO (Mercedes-Benz)






