Upgrade guide · updated 5 November 2026

Should I upgrade from the Canon EOS R6 to the Canon EOS R6 Mark III?

Verdict

Upgrading is worth it if those changes matter to your photography. Both use the Canon RF / RF-S mount, so your lenses fit directly.

What you gain

  • 32.5MP instead of 20MP
  • faster bursts (40fps vs 20fps)
  • 5 years of newer processing and autofocus (2020 → 2025)

What you give up

  • weaker video (7K open gate vs 4K 60p)
  • noisier high ISO

What it costs

EOS R6 Mark III new£2,799
EOS R6 Mark III used (MPB, typical)£1,900
Your EOS R6 trade-in (rough estimate)≈ £640
Net cost buying used≈ £1,260

Trade-in estimates assume about two-thirds of the typical MPB resale price; real offers vary with condition and shutter count.

Other upgrade paths

Frequently asked questions

Should I upgrade from the Canon EOS R6 to the Canon EOS R6 Mark III?

The upgrade is worth it if those changes matter to your photography. You gain 32.5MP instead of 20MP, faster bursts (40fps vs 20fps), 5 years of newer processing and autofocus (2020 → 2025), but you lose weaker video (7K open gate vs 4K 60p) and noisier high ISO.

How much does it cost to upgrade from the EOS R6 to the EOS R6 Mark III?

The EOS R6 Mark III costs £2,799 new and about £1,900 used at MPB. Trading in a used EOS R6 might bring roughly £640, so the net cost is around £1,260 buying used (a rough estimate: get quotes from MPB, Wex and Park Cameras).

Will my EOS R6 lenses work on the EOS R6 Mark III?

Both use the Canon RF / RF-S mount, so your lenses fit directly.