Bullmastiff
VS
Chihuahua
Bullmastiff vs Chihuahua
Compare Bullmastiff and Chihuahua 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
Chihuahua
Breed type
Purebred
Purebred
Height
61 – 69 cm
15 – 25 cm
Weight
41 – 59 kg
1 – 3 kg
Life expectancy
8 – 10 years
10 – 18 years
Child friendly
5/5
2/5
Energy level
3/5
3/5
Intelligence
3/5
3/5
Trainability
2/5
3/5
Health
3/5
4/5
Grooming needs
2/5
2/5
Shedding
3/5
3/5
Barking level
3/5
5/5
Aggressiveness
4/5
3/5
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Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Chihuahua
Low grooming
Tiny
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 Chihuahua
The Chihuahua is a tiny yet sturdy companion dog, usually 1.5–3 kg with an apple-shaped head and large eyes. Found in smooth or long coats in many colors, it is devoted, alert, and bold. It needs daily walks, training, close companionship, and good health and dental care to thrive.
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