Bullmastiff vs American Bully
Compare Bullmastiff and American Bully: size, life expectancy, temperament and care side by side.
Bullmastiff
VS
American Bully
Comparison table
Show differences only
Characteristic
Bullmastiff
American Bully
Breed type
Purebred
Crossbreed
Height
61 – 69 cm
43 – 53 cm
Weight
41 – 59 kg
31 – 54 kg
Life expectancy
8 – 10 years
8 – 15 years
Child friendly
5/5
3/5
Energy level
3/5
3/5
Intelligence
3/5
3/5
Trainability
2/5
3/5
Health
3/5
3/5
Grooming needs
2/5
3/5
Shedding
3/5
3/5
Barking level
3/5
3/5
Aggressiveness
4/5
3/5
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 Bully
Giant
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 Bully
The American Bully is a compact, muscular companion dog from the U.S., derived from pit bull–type breeds and bred for a stable, friendly temperament. Available in several sizes, it has a blocky head, short low-care coat, and thrives on close family contact, training, and socialisation.
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