Leonberger vs Mastiff
Working · Giant vs Working · Giant
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
MastiffGiant
A courageous, dignified, good-natured giant — one of the most ancient breeds, formerly war dogs.
Weight: 160–230 lbsLifespan: 6–10 years
Quick take
- • Mastiff is the larger breed at 160–230 lbs (males) vs 110–170 lbs for the Leonberger.
- • The Leonberger typically lives longer (7–10 years).
- • The Leonberger has higher daily energy needs.
- • The Mastiff sheds less.
- • The Leonberger is generally more trainable.
Side-by-side traits
| Trait | Leonberger | Mastiff |
|---|---|---|
Group | Working | Working |
Size | Giant | Giant |
Origin | Germany | England |
Height (male) | 28–31.5" | 30" |
Height (female) | 25.5–29.5" | 27.5" |
Weight (male) | 110–170 lbs | 160–230 lbs |
Weight (female) | 90–140 lbs | 120–170 lbs |
Lifespan Average expected lifespan. | 7–10 years | 6–10 years |
Energy level Daily activity needs. | Moderate (3/5) | Low (2/5) |
Trainability How quickly the breed learns commands. | High (4/5) | Moderate (3/5) |
Intelligence Problem-solving ability. | High (4/5) | Moderate (3/5) |
Exercise needs Daily physical activity required. | Moderate (3/5) | Low (2/5) |
Shedding Lower = less hair around your home. | Very High (5/5) | Moderate (3/5) |
Grooming effort Brushing, bathing, professional grooming. | High (4/5) | Very Low (1/5) |
Drooling Lower = drier face and furniture. | High (4/5) | Very High (5/5) |
Barking How vocal the breed is. | Low (2/5) | Low (2/5) |
Good with kids | Very High (5/5) | High (4/5) |
Good with other dogs | High (4/5) | Moderate (3/5) |
Good with strangers | High (4/5) | Moderate (3/5) |
Protectiveness Watchdog tendencies. | Moderate (3/5) | Very High (5/5) |
Adaptability Apartment / new environment tolerance. | Moderate (3/5) | Moderate (3/5) |
Coat length | long | short |
Hypoallergenic Lower-shedding, less dander. | No | No |
Ad slot · compare-mid
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.
About the Mastiff
The Mastiff is a courageous, dignified, good-natured giant — one of the most ancient breeds, formerly war dogs. Originally from England, this giant working breed typically weighs 160–230 lbs and lives 6–10 years. Breeders describe them as courageous, dignified, good-natured.
Ad slot · compare-bottom
Leonberger health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bone cancer
- • Bloat
- • Polyneuropathy
Mastiff health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bloat
- • Heart disease
- • Cancer