Bridgestone's Alenza Sport A/S is a premium ultra-high-performance all-season tire, fitted as original equipment on select Mercedes-Benz vehicles. Circumferential and lateral grooves move water away to help resist hydroplaning, while a long-wearing tread compound, a low-profile sidewall and a computer-tuned tread pitch round out the design.
This P285/45R21 size has an extra load rating with a 113H load and speed rating, and it is covered by a 40,000-mile limited manufacturer tread life warranty.
| Tire size | 285/45R21 |
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| Tire load index | 113 |
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| Tire speed rating | H |
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| Tire load range | Extra Load |
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| Tire season | All-Season |
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| Tire terrain | Highway Terrain |
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| Uniform tire quality grade (utqg) | 500AA |
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| Tire treadwear rating | 500 |
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| Tire sidewall style | Black Sidewall |
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| Tread depth | 10/32 |
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| Overall diameter | 31.1 in |
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| Manufacturer | Bridgestone |
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| Tire width | 285 mm |
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| Vehicle fitment type | Universal |
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| Is run flat | N |
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| Vehicle type | Car |
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| Construction type | Radial |
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| Electric vehicle tire | N |
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| Automotive parts division | Direct Replacement |
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| Wheel diameter | 21 in |
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| Flotation tire | N |
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| Maximum vehicle rim width | 10.5 in |
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| Features | Fits Multiple Makes And models |
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| Items included | Tire Only |
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| Minimum vehicle rim width | 9 in |
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| Total count | 1 |
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| Vehicle class designator | P |
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| Tire location | Front and Rear Tires |
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| Tire diameter | 21 in |
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| Compatible cars | BMW X7 2019-2025; Audi SQ8 2020-2023; Lamborghini URUS 2019-2024; Mercedes-Benz Eqs Suv 2023-2024; Porsche Cayenne 2024-2024; Rolls-Royce Phantom 2006-2024; Mercedes-Benz GLE 2019-2019; Audi Q8 2019-2024; Bentley Bentayga 2017-2024; Rolls-Royce Cullinan 2019-2024; Mercedes-Benz Gle Coupe 2019-2019; Mercedes-Benz G 2019-2024; KIA EV9 2024-2024 |
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| Tire type | Sport Utility Vehicle Tires, Touring Tires, Light Truck & SUV Tires |
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| Model | Alenza Sport A/S 004023 |
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| Maximum inflation pressure | 50 psi |
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| Tire aspect ratio | 45 |
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Specifications are as published by the manufacturer. Please confirm the size against the placard on your vehicle before ordering.
