Bullmastiff vs Great Dane

Compare the Bullmastiff to the Great Dane. Use the tool below to compare temperament, size, personality, maintenance requirements, and everything else between Bullmastiffs and Great Danes.

Quick Summary

Below are a few quick comparisons between the two breeds.

Owner Experience - The Bullmastiff is a good choice for new owners, whereas the Great Dane is not recommended for new/inexperienced owners.
Children - Both the Bullmastiff and Great Dane are great with children.
Grooming - Both the Bullmastiff and Great Dane are very low maintenance and easy to groom.
Barking - The Great Dane bark/howls frequently. The Bullmastiff has a low tendency to bark.

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Bullmastiff vs Great Dane

Breed Name	Bullmastiff	Great Dane
General Details
Breed Type	Purebred	Purebred
Is Hypoallergenic	No	No
Lifespan	8-10 yrs.	7-10 yrs.
Height	24-27 in.	28-38 in.
Weight	110-130 lb	100-200 lb
Intelligence	High	Average
History
Origin Country	United Kingdom	Not Specified
Origin Year	1860 AD	1400 BC
Temperament
Overall Friendliness	Very Good	Very Good
Family Friendly	Very Good	Very Good
Kid Friendly	Very Good	Very Good
Pet Friendly	Very Good	Very Good
Stranger Friendly	Good	Very Good
Personality
	Affectionate Enjoys Attention Loving Does Not Like Being Alone Likes To Snuggle Willing To Please	Affectionate Jealous Loving Does Not Like Being Alone Likes To Snuggle Stubborn Willing To Please
Living Environment
Apartment	Yes	Yes
Indoor	Yes	Yes
Small Yard	No	Yes
Medium Yard	No	No
Large Yard	No	No
Temperature Tolerance ¹	40°F to 80°F	55°F to 85°F
Barks/Howls	Rarely	Very Often
Exercise Needs
Energy Level	Medium	Medium
Exercise Required	Medium	Medium
Top Running Speed	20 mph	30 mph
Strength	Very High	Very High
Grooming Needs
Coat Maintenance	Low	Medium
Shedding	Medium	Medium
Dander	Medium	Medium
Drool Amount	Medium	Medium-High

¹This is estimated min/max temperature range for a healthy adult dog. Dogs that live indoors, puppies, seniors, unwell dogs, and/or dogs with improperly groomed coats may overheat sooner and get cold more quickly.

Instincts & Behavior Comparison
Breed Name	Bullmastiff	Great Dane
Breed Mentality
Dominant/Alpha	No	No
Family/Pack	Yes	Yes
Independent	No	No
Breed Focus
Distracted Easily	No	No
Average	No	No
Focused & Patient	Yes	Yes
Breed Instincts
Aggression	Average	Below Average
Burrow/Digging	Average	Below Average
Chasing	Below Average	Average
Follow Commands	Below Average	Below Average
Fighting	Average	Below Average
Guarding	High	Below Average
Herding	Below Average	Below Average
Hunting	Average	Average
Protection	High	Below Average
Remove Vermin	Below Average	Below Average
Sledding	Below Average	Below Average
Watch	High	Average

Health Comparison
Breed Name	Bullmastiff	Great Dane
Lifespan
Lifespan	8-10 yrs.	7-10 yrs.
Common Health Issues
Bloat	No	Yes
Cancer	Yes	Yes
Dilated Cardiomyopathy	No	Yes
Entropion	Yes	No
Heart Problems	Yes	No
Hemangiosarcoma	Yes	No
Hip Dysplasia	No	Yes
Hypothyroidism	Yes	No
Kidney Issues	Yes	No
Lymphosarcoma	Yes	No
Mitral Valve Disease	No	Yes
Osteosarcoma	Yes	No
Patent Ductus Arteriosis	No	Yes
Persistent Right Aortic Arch	No	Yes
Progressive Retinal Atrophy	Yes	No
Subvalvular Aortic Stenosis	No	Yes
Tricuspid Valve Dysplasia	No	Yes

Appearance Comparison
Breed Name	Bullmastiff	Great Dane
Coat
Fur	Yes	Yes
Coat Type
Smooth Coat	Yes	No
Double Coat	No	Yes
Coat Texture
Rough	Yes	No
Straight	No	Yes
Coat Length(s)
Short	Yes	Yes
Coat Color(s)
Fawn	Yes	Yes
Fawn Brindle	Yes	No
Red	Yes	No
Red & Fawn	Yes	No
Red Brindle	Yes	No
Red Fawn Brindle	Yes	No
Black	No	Yes
Black & White	No	Yes
Blue	No	Yes
Blue & White	No	Yes
Blue Brindle	No	Yes
Brindle	No	Yes
Chocolate	No	Yes
Chocolate & White	No	Yes
Chocolate Brindle	No	Yes
Harlequin	No	Yes
Mantle	No	Yes
Mantle Merle	No	Yes
Merle	No	Yes
Merlequin	No	Yes
Silver	No	Yes
White	No	Yes