Bullmastiff vs American Staffordshire Terrier
Compare Bullmastiff and American Staffordshire Terrier: size, life expectancy, temperament and care side by side.
Comparison table
Show differences only
Characteristic
Bullmastiff
American Staffordshire Terrier
Breed type
Purebred
Purebred
Height
61 – 69 cm
43 – 48 cm
Weight
41 – 59 kg
19 – 33 kg
Life expectancy
8 – 10 years
12 – 14 years
Child friendly
5/5
4/5
Energy level
3/5
4/5
Intelligence
3/5
3/5
Trainability
2/5
4/5
Health
3/5
4/5
Grooming needs
2/5
3/5
Shedding
3/5
3/5
Barking level
3/5
4/5
Aggressiveness
4/5
2/5
The 1–5 scale shows the level of each trait. A higher value means more of that trait. Individual animals may vary.
Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
American Staffordshire Terrier
Great with kids
High energy
Easy to train
Large
Summary
About Bullmastiff
Large, powerful guardian originally bred to catch poachers, the Bullmastiff is calm, confident and deeply loyal, often bonding closely with one person. It has a short, low‑maintenance coat, needs space, consistent early training and socialisation to guide its natural protectiveness.
About American Staffordshire Terrier
American Staffordshire Terrier: muscular, medium-sized, people-focused dog with a short, easy-care coat in many colors. Affectionate, energetic, and highly trainable with consistent, positive handling. Needs daily exercise, mental stimulation, socialization, and responsible management.
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