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Best Car Mounts & Phone Holders for Galaxy S21

Galaxy S21 Dimensions

Width

71.2mm

Width with Case

~74.2mm

Height

151.7mm

Weight

169g

Size Category

Compact

MagSafe

No

The Galaxy S21 at 71.2mm wide is compact enough to fit virtually any car mount on the market.

Mount Type Recommendations for Galaxy S21

MagSafe Magnetic Mount

Compatible

Requires a magnetic case or adhesive magnetic ring since this phone lacks built-in MagSafe magnets.

  • + Works with magnetic case add-on
  • + Can still wirelessly charge
  • - Requires purchasing a magnetic case or ring
  • - Weaker hold than native MagSafe

Universal Clamp Mount

Recommended

Spring-loaded clamp mounts that grip phone edges. Your phone is 71.2mm wide (~74.2mm with case).

  • + Works with any phone
  • + No magnets or special cases needed
  • + Usually the most affordable option
  • - Requires two hands to dock
  • - May block side buttons if clamp is too tight

Exact-Fit Cradle (ProClip)

Compatible

Device-specific cradle molded to exact phone shape. Most secure but NOT cross-compatible.

  • + Most secure hold
  • + Custom fit for your exact model
  • + Often includes charging
  • - Most expensive option
  • - Must match exact phone model
  • - Not reusable when you upgrade phones

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Frequently Asked Questions

Will Galaxy S21 fit in a car phone mount?

Yes, the Galaxy S21 at 71.2mm wide fits most standard car mounts.

Does Galaxy S21 work with MagSafe car mounts?

No built-in MagSafe. Use a clamp mount or add a MagSafe ring adapter for magnetic mounts.

What size phone mount do I need for Galaxy S21?

The Galaxy S21 is 71.2mm wide (~74.2mm with a case). Choose a mount rated for at least 75mm.