Upgrade guide · updated 5 November 2026

Should I upgrade from the Sony Alpha A6100 to the Sony Alpha A6700?

Verdict

Upgrading is likely worth it. Both use the Sony E / FE mount, so your lenses fit directly.

What you gain

  • 26MP instead of 24.2MP
  • better video (4K 120p (crop) vs 4K 30p)
  • cleaner high ISO
  • in-body stabilisation
  • weather sealing
  • 4 years of newer processing and autofocus (2019 → 2023)

What you give up

  • a heavier body (493g vs 396g)

What it costs

Alpha A6700 new£1,329
Alpha A6700 used (MPB, typical)£1,150
Your Alpha A6100 trade-in (rough estimate)≈ £320
Net cost buying used≈ £830

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 Sony Alpha A6100 to the Sony Alpha A6700?

The upgrade is likely worth it. You gain 26MP instead of 24.2MP, better video (4K 120p (crop) vs 4K 30p), cleaner high ISO, in-body stabilisation, but you lose a heavier body (493g vs 396g).

How much does it cost to upgrade from the Alpha A6100 to the Alpha A6700?

The Alpha A6700 costs £1,329 new and about £1,150 used at MPB. Trading in a used Alpha A6100 might bring roughly £320, so the net cost is around £830 buying used (a rough estimate: get quotes from MPB, Wex and Park Cameras).

Will my Alpha A6100 lenses work on the Alpha A6700?

Both use the Sony E / FE mount, so your lenses fit directly.