Spanish Mastiff
VS
Old English Sheepdog
Spanish Mastiff vs Old English Sheepdog
Compare Spanish 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
Spanish Mastiff
Old English Sheepdog
Breed type
Purebred
Purebred
Height
72 – 85 cm
56 – 70 cm
Weight
70 – 120 kg
25 – 50 kg
Life expectancy
8 – 12 years
10 – 12 years
Child friendly
4/5
5/5
Energy level
3/5
5/5
Intelligence
3/5
3/5
Trainability
3/5
4/5
Health
4/5
3/5
Grooming needs
2/5
5/5
Shedding
3/5
1/5
Barking level
3/5
4/5
Aggressiveness
3/5
2/5
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Characteristics
Spanish Mastiff
Great with kids
Low grooming
Giant
Old English Sheepdog
Great with kids
High energy
Easy to train
Giant
Summary
About Spanish Mastiff
Large, powerful livestock guardian, calm and observant yet strongly protective. Quiet and laid back at home if well exercised, deeply loyal with family and usually reserved with strangers. Independent and thoughtful, it suits experienced owners with space, structure and early socialisation.
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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