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315/30R21 Tires in the UAE

315/30R21 is a large-wheel tire size in the UAE, fitted as original equipment on 2 models from 2 brands, including Mercedes-Benz and Porsche. It is fitted across a mix of sedans and coupes. Because most cars on 315/30R21 are premium models, owners usually stay with OEM-spec brands such as Michelin, Continental, Pirelli or Bridgestone.

315 mmTread width
95 mmSidewall height (30%)
21"Rim diameter
722 mmOverall diameter (28.4")
441Revolutions per km

315/30R21 Prices in the UAE

No partner shop is listing 315/30R21 tires right now. Use the live search to check availability - new stock is added by shops every day.

Cars That Use 315/30R21 Tires

Make & ModelYears / Trim
Mercedes-Benz E-Class2024-2025 - E63 AMG (21-inch) (rear)
Porsche 9112020-2025 - Carrera GTS (rear)
2020-2025 - Targa 4 GTS (rear)
2020-2025 - Turbo (rear)
2020-2025 - GT3 (rear)

Sizes With a Similar Overall Diameter

These 21-inch sizes are within 3% of the overall diameter of 315/30R21. Always confirm with a tire shop before switching sizes - load index, speed rating and wheel width must still match.

265/35R21-0.5% 245/40R21+1.0% 255/40R21+2.1% 245/35R21-2.4%

Other Popular 21-inch Sizes

265/45R217 models 275/45R216 models 255/45R213 models 265/40R213 models 285/45R213 models 245/45R212 models 265/50R212 models 275/50R212 models 285/40R212 models

315/30R21 - Frequently Asked Questions

What does 315/30R21 mean?

315 is the tire width in millimetres, 30 means the sidewall height is 30% of the width (about 95 mm), R means radial construction, and 21 is the wheel (rim) diameter in inches.

Which cars use 315/30R21 tires in the UAE?

2 models in our database use 315/30R21, including Mercedes-Benz E-Class and Porsche 911.

What is the overall diameter of a 315/30R21 tire?

About 722 mm (28.4 inches), which works out to roughly 441 revolutions per kilometre.