American Staffordshire Terrier vs Bullmastiff
Terrier · Medium vs Working · Large
American Staffordshire TerrierMedium
A confident, smart, good-natured terrier — the AmStaff, larger cousin of the Staffy.
Weight: 55–70 lbsLifespan: 12–16 years
BullmastiffLarge
An affectionate, loyal, brave gamekeeper's night dog — Mastiff-Bulldog cross bred to subdue poachers.
Weight: 110–130 lbsLifespan: 7–9 years
Quick take
- • Bullmastiff is the larger breed at 110–130 lbs (males) vs 55–70 lbs for the American Staffordshire Terrier.
- • The American Staffordshire Terrier typically lives longer (12–16 years).
- • The American Staffordshire Terrier has higher daily energy needs.
- • The Bullmastiff sheds less.
Side-by-side traits
| Trait | American Staffordshire Terrier | Bullmastiff |
|---|---|---|
Group | Terrier | Working |
Size | Medium | Large |
Origin | USA | England |
Height (male) | 18–19" | 25–27" |
Height (female) | 17–18" | 24–26" |
Weight (male) | 55–70 lbs | 110–130 lbs |
Weight (female) | 40–55 lbs | 100–120 lbs |
Lifespan Average expected lifespan. | 12–16 years | 7–9 years |
Energy level Daily activity needs. | High (4/5) | 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. | High (4/5) | Moderate (3/5) |
Shedding Lower = less hair around your home. | Moderate (3/5) | Low (2/5) |
Grooming effort Brushing, bathing, professional grooming. | Very Low (1/5) | Very Low (1/5) |
Drooling Lower = drier face and furniture. | Low (2/5) | Very High (5/5) |
Barking How vocal the breed is. | Low (2/5) | Low (2/5) |
Good with kids | High (4/5) | High (4/5) |
Good with other dogs | Low (2/5) | Moderate (3/5) |
Good with strangers | Moderate (3/5) | Moderate (3/5) |
Protectiveness Watchdog tendencies. | High (4/5) | Very High (5/5) |
Adaptability Apartment / new environment tolerance. | High (4/5) | Moderate (3/5) |
Coat length | short | short |
Hypoallergenic Lower-shedding, less dander. | No | No |
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About the American Staffordshire Terrier
The American Staffordshire Terrier is a confident, smart, good-natured terrier — the AmStaff, larger cousin of the Staffy. Originally from USA, this medium terrier breed typically weighs 55–70 lbs and lives 12–16 years. Breeders describe them as confident, smart, good-natured.
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.
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American Staffordshire Terrier health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Heart disease
- • Skin allergies
- • Cerebellar ataxia
Bullmastiff health
Common health concerns reported in this breed:
- • Hip dysplasia
- • Bloat
- • Cancer
- • Heart problems