Garmin Forerunner 55 vs Garmin D2 Air X10: which one suits you?

The two differ in 6 of the specs we have recorded, and the Garmin Forerunner 55 is cheaper by SAR 1,651 (prices checked 5 Nov 2026).

Which one should you choose?

  • Paying less: cheaper by SAR 1,651
  • Charge less often through the week (14 days vs 7 days)
  • Lower weight: 37 g vs 51 g
  • Higher display size: 1.3 in vs 1.04 in
  • Has cellular (lte/esim); the other doesn't
  • Has contactless payment (nfc); the other doesn't

The deciding difference here: display size and battery life and price.

Compares recorded specs; a missing spec does not mean the feature is absent.

Key differences

  • Display type

    MIPAMOLED
  • Display size

    1.04 in✓ 1.3 in
  • Battery life

    ✓ 14 days7 days

Specifications side by side

17 of 17 specs

Scroll the table sideways to see the rest.

Spec
GarminSAR 861
Garmin Forerunner 55 specs
GarminSAR 2,512
Garmin D2 Air X10 specs
Reference priceSAR 861SAR 2,512
Battery life✓ 14 days7 days
Cellular (LTE/eSIM)No✓ Yes
Bluetooth calls—Yes
Built-in GPSYesYes

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Direct comparison questions

What is the difference in battery life between the Garmin Forerunner 55 and the Garmin D2 Air X10?

Battery life is higher on the Garmin Forerunner 55: 14 days vs 7 days on the Garmin D2 Air X10. If this spec is your priority, the difference favours it.

What is the difference in cellular (lte/esim) between the Garmin Forerunner 55 and the Garmin D2 Air X10?

Garmin Forerunner 55: No; Garmin D2 Air X10: Yes. This is a spec difference, not a verdict that one is better overall.

What is the difference in built-in gps between the Garmin Forerunner 55 and the Garmin D2 Air X10?

No difference here: built-in gps is Yes on both.

What is the difference in water resistance between the Garmin Forerunner 55 and the Garmin D2 Air X10?

No difference here: water resistance is 5 ATM on both.