The Australian Shepherd needs slightly more exercise (5/5) than the Miniature American Shepherd (4/5), but neither breed is at an extreme. Both have very high to very high energy levels, so the difference in your daily routine will be modest — perhaps an extra 15-20 minutes of activity for the Australian Shepherd.

There's a noticeable but not extreme size difference. The Australian Shepherd (18–29 kg (40–64 lbs)) is somewhat heftier than the Miniature American Shepherd (9–18 kg (20–40 lbs)).

Both breeds shed at the same rate (4/5), so fur management will be identical for either choice. Budget for a good robot vacuum.

Both breeds cost a similar amount upfront — $800–$2,000 for a Australian Shepherd versus $800–$2,000 for a Miniature American Shepherd. Where the real cost differences emerge is in ongoing expenses.

Both breeds have comparable lifespans — 13–15 years for the Australian Shepherd and 12–15 years for the Miniature American Shepherd. You can expect a similar length of companionship from either breed, all else being equal.

When you live with a Australian Shepherd, you'll notice their intelligent, energetic and loyal character in everything they do. A Miniature American Shepherd, by contrast, shows a intelligent, loyal and versatile nature.

Both breeds score 5/5 for trainability — you'll have a similar experience training either one. Both are cooperative, eager learners.

Both breeds score 4/5 with children, making them equally suitable for families. Either breed would make an excellent family dog.