Bullmastiff vs Leonberger
Working · Large vs Working · Giant
BullmastiffLarge
An affectionate, loyal, brave gamekeeper's night dog — Mastiff-Bulldog cross bred to subdue poachers.
Weight: 110–130 lbsLifespan: 7–9 years
LeonbergerGiant
A friendly, gentle, playful giant — bred to resemble a lion, with a famous black-masked golden mane.
Weight: 110–170 lbsLifespan: 7–10 years
Quick take
- • Leonberger is the larger breed at 110–170 lbs (males) vs 110–130 lbs for the Bullmastiff.
- • The Leonberger typically lives longer (7–10 years).
- • The Bullmastiff sheds less.
Side-by-side traits
| Trait | Bullmastiff | Leonberger |
|---|---|---|
Group | Working | Working |
Size | Large | Giant |
Origin | England | Germany |
Height (male) | 25–27" | 28–31.5" |
Height (female) | 24–26" | 25.5–29.5" |
Weight (male) | 110–130 lbs | 110–170 lbs |
Weight (female) | 100–120 lbs | 90–140 lbs |
Lifespan Average expected lifespan. | 7–9 years | 7–10 years |
Energy level Daily activity needs. | Moderate (3/5) | Moderate (3/5) |
Trainability How quickly the breed learns commands. | High (4/5) | High (4/5) |
Intelligence Problem-solving ability. | High (4/5) | High (4/5) |
Exercise needs Daily physical activity required. | Moderate (3/5) | Moderate (3/5) |
Shedding Lower = less hair around your home. | Low (2/5) | Very High (5/5) |
Grooming effort Brushing, bathing, professional grooming. | Very Low (1/5) | High (4/5) |
Drooling Lower = drier face and furniture. | Very High (5/5) | High (4/5) |
Barking How vocal the breed is. | Low (2/5) | Low (2/5) |
Good with kids | High (4/5) | Very High (5/5) |
Good with other dogs | Moderate (3/5) | High (4/5) |
Good with strangers | Moderate (3/5) | High (4/5) |
Protectiveness Watchdog tendencies. | Very High (5/5) | Moderate (3/5) |
Adaptability Apartment / new environment tolerance. | Moderate (3/5) | Moderate (3/5) |
Coat length | short | long |
Hypoallergenic Lower-shedding, less dander. | No | No |
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About the Bullmastiff
The Bullmastiff is an affectionate, loyal, brave gamekeeper's night dog — Mastiff-Bulldog cross bred to subdue poachers. Originally from England, this large working breed typically weighs 110–130 lbs and lives 7–9 years. Breeders describe them as affectionate, loyal, brave.
About the Leonberger
The Leonberger is a friendly, gentle, playful giant — bred to resemble a lion, with a famous black-masked golden mane. Originally from Germany, this giant working breed typically weighs 110–170 lbs and lives 7–10 years. Breeders describe them as friendly, gentle, playful.
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Bullmastiff health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bloat
- • Cancer
- • Heart problems
Leonberger health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bone cancer
- • Bloat
- • Polyneuropathy