Mastiff
giant breedVS

Rottweiler
large breedMastiff vs Rottweiler
Two massive guardian breeds with ancient lineage. The Mastiff imposes through sheer size. The Rottweiler imposes through athletic power. Both are gentle with family but intimidating to strangers.
At a Glance
Mastiff
Stat
Rottweiler
120–230 lbs
Weight
80–135 lbs
27–30 inches
Height
22–27 inches
6–10 yrs
Lifespan
9–10 yrs
low
Energy
high
low
Grooming
low
heavy
Chewing
heavy
giant
Size Class
large
Key Differences
1Size
Mastiffs 120-230 lbs. Rottweilers 80-135 lbs.
2Energy
Mastiffs are low energy. Rottweilers moderate.
3Agility
Rottweilers are far more agile and athletic.
4Drool
Mastiffs drool extensively. Rottweilers moderate.
Health Comparison
Mastiff Health Concerns
- ⚠Hip Dysplasia
- ⚠Bloat
- ⚠Heart Disease
- ⚠Elbow Dysplasia
Rottweiler Health Concerns
- ⚠Hip Dysplasia
- ⚠Hypothyroidism
- ⚠Entropion
- ⚠Bloat
Temperament
Mastiff
CourageousDignifiedGood-natured
Rottweiler
LoyalConfidentCourageousCalmGood-natured
🏆 Our Verdict
Choose Mastiff for a gentle, enormous deterrent. Choose Rottweiler for an athletic, active guardian.
Choose Mastiff if...
People wanting maximum size deterrent. Lower-energy giant seekers.
Learn more about Mastiff →Choose Rottweiler if...
Active owners wanting athletic protection. People preferring moderate-large over giant.
Learn more about Rottweiler →Dietary Needs
Mastiff
Rottweiler
- 🍖 High protein for muscle maintenance
- 🍖 Joint support critical
- 🍖 Prone to weight gain
Recommended Products
Frequently Asked Questions
Better with kids?▼
Both good. Mastiffs larger risk of accidental knocking over.
More protective?▼
Rottweilers more actively protective.
Lives longer?▼
Rottweilers 8-10 vs Mastiffs 6-10 years.
Costs more?▼
Mastiffs cost more — enormous food bills.
Drools more?▼
Mastiffs significantly more.