American Staffordshire Terrier
VS
Bullmastiff
American Staffordshire Terrier vs Bullmastiff
Compare American Staffordshire Terrier and Bullmastiff side by side and get a clear picture of what sets the breeds apart. Explore differences in size, weight, temperament, activity level, and other key traits to more easily decide which breed best fits your lifestyle and circumstances.
Characteristic
American Staffordshire Terrier
Bullmastiff
Breed type
Purebred
Purebred
Height
43 – 48 cm
61 – 69 cm
Weight
19 – 33 kg
41 – 59 kg
Life expectancy
12 – 14 years
8 – 10 years
Child friendly
4/5
5/5
Energy level
4/5
3/5
Intelligence
3/5
3/5
Trainability
4/5
2/5
Health
4/5
3/5
Grooming needs
3/5
2/5
Shedding
3/5
3/5
Barking level
4/5
3/5
Aggressiveness
2/5
4/5
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Characteristics
American Staffordshire Terrier
Great with kids
High energy
Easy to train
Large
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Summary
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.
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.
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