Bullmastiff
VS
Australian Cattle Dog
Bullmastiff vs Australian Cattle Dog
Compare Bullmastiff and Australian Cattle Dog 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
Bullmastiff
Australian Cattle Dog
Breed type
Purebred
Purebred
Height
61 – 69 cm
43 – 51 cm
Weight
41 – 59 kg
15 – 22 kg
Life expectancy
8 – 10 years
12 – 15 years
Child friendly
5/5
3/5
Energy level
3/5
5/5
Intelligence
3/5
5/5
Trainability
2/5
5/5
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
2/5
Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Australian Cattle Dog
High energy
Super smart
Easy to train
Medium
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 Australian Cattle Dog
Medium, muscular Australian working dog bred to drive cattle over long distances. Known for blue or red speckled double coat, pricked ears and alert expression. Highly intelligent, energetic, loyal and wary of strangers; needs extensive daily exercise, mental work and consistent positive training.
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