Lifespan matchup
Bernese Mountain Dog vs Great Dane: lifespan
Typical ranges (6-8 years vs 7-10 years), size context, and health factors—so you can plan, not just pick a “winner.”


Two breeds frequently discussed for shorter averages among large dogs—choose health-focused breeders carefully.
Typical lifespan ranges
- Bernese Mountain Dog: 6-8 years (midpoint ~7.0 years)
- Great Dane: 7-10 years (midpoint ~8.5 years)
These figures are published breed averages—not a guarantee for any individual dog. Overlap between ranges is common.
Size and longevity context
Bernese Mountain Dog
large · 70-115 lbs · 23-28 inches
Energy 3/5 · Gentle, Calm
Great Dane
large · 110-175 lbs · 28-32 inches
Energy 3/5 · Gentle, Friendly
Across dogs, smaller size classes often average longer lives than giants. Within the same size class, genetics and care usually matter more than a small midpoint gap.
Health factors that affect years
Bernese Mountain Dog
- Hip Dysplasia
- Cancer
- Bloat
Great Dane
- Bloat
- Hip Dysplasia
- Heart Disease
- Osteosarcoma
Lean weight, preventive care, and health-tested breeding lines support quality years for either breed. A longer midpoint on a chart is not a substitute for daily management.
Planning verdict
Lean Bernese Mountain Dog
A Bernese Mountain Dog may suit you if you want a large companion typically listed around 6-8 years, with health topics to discuss including Hip Dysplasia, Cancer, Bloat.
Lean Great Dane
A Great Dane may suit you if you prefer large size and a published range near 7-10 years, watching for Bloat, Hip Dysplasia, Heart Disease.
FAQs
- Which lives longer, a Bernese Mountain Dog or a Great Dane?
- Published midpoint averages lean toward the Great Dane, but ranges overlap and individuals vary. Bernese Mountain Dog is commonly listed around 6-8 years (midpoint ~7.0 years) versus Great Dane at 7-10 years (midpoint ~8.5 years). On midpoints alone, Great Dane edges longer; that is not a guarantee for any one dog. Both are large dogs—large breeds often average shorter lives than small dogs.
- What is the lifespan of a Bernese Mountain Dog vs a Great Dane?
- Bernese Mountain Dog: typically about 6-8 years. Great Dane: typically about 7-10 years. These are population averages from breed education sources—not promises.
- Does size explain Bernese Mountain Dog vs Great Dane longevity?
- Both are large, so size alone won’t decide the winner. Genetics, weight, and care usually matter more within the same size class.
- What health issues affect Bernese Mountain Dog and Great Dane lifespan?
- Bernese Mountain Dog topics often include Hip Dysplasia, Cancer, Bloat. Great Dane: Bloat, Hip Dysplasia, Heart Disease, Osteosarcoma. Ask breeders for relevant clearances and plan preventive care with your vet.
- How can I help either breed live longer?
- Choose health-tested lines when buying, keep a lean body condition, use age-appropriate exercise, schedule regular vet care, and address breed-typical risks early. Longevity is mostly management plus luck—not a breed ranking trophy.
Related lifespan matchups
- Great Dane vs Mastiff7-10 years · 6-10 years
- Bernese Mountain Dog vs Newfoundland6-8 years · 9-10 years
- Great Dane vs Irish Wolfhound7-10 years · 6-8 years
- Chihuahua vs Great Dane14-16 years · 7-10 years
- Bernese Mountain Dog vs Golden Retriever6-8 years · 10-12 years
- Great Dane vs Poodle7-10 years · 12-15 years
References
- How Long Will Your Dog Live? Size Matters — American Kennel Club (AKC)
- Pet Ownership Resources — American Veterinary Medical Association (AVMA)
- General Dog Care — ASPCA