Great Pyrenees vs American Mastiff
Compare the Great Pyrenees to the American Mastiff. Use the tool below to compare temperament, size, personality, maintenance requirements, and everything else between Great Pyrenees and American Mastiffs.
Great Pyrenees
American Mastiff
Breed Type
Purebred
Purebred
Allergy Friendly
Yes
No
Lifespan
10-12 Years
10-12 Years
Height
25-32 Inches
28-36 Inches
Weight
85-160 Pounds
140-200 Pounds
Intelligence
Great Pyrenees
American Mastiff
Origin Country
Spain
United States
Origin Year
-3000 BC
1990 AD
Great Pyrenees
American Mastiff
Overall Friendliness
Family Friendly
Child Friendly
Pet Friendly
Stranger Friendly
Great Pyrenees
American Mastiff
Great Pyrenees
American Mastiff
Apartment
No
Yes
Indoor
Yes
No
Small Yard
Yes
Yes
Medium Yard
Yes
Yes
Large Yard
Yes
No
Temperature Tolerance
0-85 °F
40-80 °F
Barks/Howls
Great Pyrenees
American Mastiff
Energy Level
Low to Medium
Medium
Exercise Required
Low
Medium
Top Running Speed
25 MPH
24 MPH
Strength
Very High
Very High
Great Pyrenees
American Mastiff
Coat Maintenance
Medium
Low
Shedding
Medium
Medium
Dander
Medium
Low
Drool
Medium to High
Medium
Great Pyrenees
American Mastiff
Dominant / Alpha
No
No
Family / Pack
Yes
Yes
Independent
Yes
No
Great Pyrenees
American Mastiff
Distracted Easy
Yes
No
Focused & Patient
No
Yes
Great Pyrenees
American Mastiff
Aggression
Burrow / Digging
Chasing
Follow Commands
Fighting
Guarding
Herding
Hunting
Protection
Remove Vermin
Sled Pulling
Watch / Guardian
Great Pyrenees
American Mastiff
Average Lifespan
10-12 Years
10-12 Years
Great Pyrenees
American Mastiff
Great Pyrenees
American Mastiff
Coat Type
Fur
Fur
Coat Layering
Double
Smooth
Coat Texture
Straight
Rough
Straight
Coat Length
Long
Short
Great Pyrenees
American Mastiff
