Bullmastiff
VS
Cavalier King Charles Spaniel
Bullmastiff vs Cavalier King Charles Spaniel
Compare Bullmastiff and Cavalier King Charles Spaniel 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
Cavalier King Charles Spaniel
Breed type
Purebred
Purebred
Height
61 – 69 cm
30 – 35 cm
Weight
41 – 59 kg
5 – 8 kg
Life expectancy
8 – 10 years
10 – 16 years
Child friendly
5/5
4/5
Energy level
3/5
3/5
Intelligence
3/5
3/5
Trainability
2/5
2/5
Health
3/5
2/5
Grooming needs
2/5
3/5
Shedding
3/5
3/5
Barking level
3/5
3/5
Aggressiveness
4/5
3/5
Sponsored Ad
Characteristics
Bullmastiff
Great with kids
Low grooming
Protective
Stubborn
Giant
Cavalier King Charles Spaniel
Great with kids
Stubborn
Small
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 Cavalier King Charles Spaniel
Small, gentle spaniel (5.4–8 kg) with a silky medium coat in Blenheim, Tricolour, Black and Tan, or Ruby. Affectionate, people oriented, and good with children and other pets. Needs regular grooming, moderate exercise, and dislikes long periods alone.
Similar breeds
View more
