Large13.7 yr avg
Australian Shepherd
AKC · Herding
View breedComparison
Australian Shepherd vs Great Dane
Side-by-side comparison from peer-reviewed sources. Lifespan and health figures draw on Royal Veterinary College VetCompass and AKC breed data.
At a glance
Side-by-side
The numbers that most change day-to-day care. A citrus border marks a meaningful advantage.
Large
Australian Shepherd
Lifespan13.7 yrrange 12–15
SizeLarge
Weight40–65 lb18.1–29.5 kg
Height18–23 in45.7–58.4 cm
Senior at6 yrgeriatric at 10
AKC groupHerding
Energy5/590 min/day
Trainability5/5
Shedding3/5
With kids5/5
With other dogs3/5
Giant
Great Dane
Lifespan10.6 yrrange 10–11
SizeGiant
Weight110–175 lb49.9–79.4 kg
Height28–32 in71.1–81.3 cm
Senior at5 yrgeriatric at 8
AKC groupWorking
Energy4/560 min/day
Trainability3/5
Shedding3/5
With kids3/5
With other dogs3/5
Health
Common health issues
Top 3 prevalence-ranked conditions for each breed. See each breed's full health profile for screening schedules and source data.
Australian Shepherd
- Moderatetypical onset ~8 yr
Degenerative Myelopathy
Description and veterinary guidance for Degenerative Myelopathy land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~6 yr
Adult-Onset Cardiac Disease (Echocardiogram)
Description and veterinary guidance for Adult-Onset Cardiac Disease (Echocardiogram) land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Low prevalencetypical onset ~7 yr
Cataracts
Description and veterinary guidance for Cataracts land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
Great Dane
- Moderatetypical onset ~7 yr
Cataracts
Description and veterinary guidance for Cataracts land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~5 yr
Periodontal Disease
Description and veterinary guidance for Periodontal Disease land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~2 yr
Osteochondritis Dissecans
Description and veterinary guidance for Osteochondritis Dissecans land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
Synthesis
Which is right for you?
Lifespan differs substantially — Australian Shepherds typically outlive Great Danes by about 3.1 years (13.7 vs 10.6 years).
The Australian Shepherd is large while the Great Dane is giant — a modest difference in day-to-day care.
Energy levels are close, with a slight edge to the Australian Shepherd (90 min/day of directed exercise).
Australian Shepherds tend to pick up obedience work faster (5/5 trainability). Australian Shepherds rate higher for household-with-kids compatibility (5/5).
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