Mastiff
VS
Old English Sheepdog
Mastiff vs Old English Sheepdog
Compare Mastiff and Old English Sheepdog 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
Mastiff
Old English Sheepdog
Breed type
Purebred
Purebred
Height
70 – 91 cm
56 – 70 cm
Weight
75 – 110 kg
25 – 50 kg
Life expectancy
10 – 12 years
10 – 12 years
Child friendly
3/5
5/5
Energy level
3/5
5/5
Intelligence
4/5
3/5
Trainability
3/5
4/5
Health
2/5
3/5
Grooming needs
3/5
5/5
Shedding
3/5
1/5
Barking level
3/5
4/5
Aggressiveness
2/5
2/5
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Characteristics
Mastiff
Super smart
Giant
Old English Sheepdog
Great with kids
High energy
Easy to train
Giant
Summary
About Mastiff
The Mastiff is a giant, heavily built guardian dog, calm and dignified yet deeply devoted to its family. It is watchful rather than aggressive, needs gentle, consistent training, moderate exercise, and space. Its short coat is easy to maintain, but drool, health care, and costs are significant.
About Old English Sheepdog
The Old English Sheepdog is a large, shaggy, athletic herding breed with a dense double coat needing regular grooming or a shorter pet clip. Affectionate, clownish, and people focused, it’s intelligent but sometimes stubborn, thriving with consistent training and daily mental and physical exercise.
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