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American Mastiff vs Bullmastiff Comparison – Which dog is better AM Mastiff or Bullie?

"Find similarities and differences between American Mastiff vs Bullmastiff" Compare American Mastiff and Bullmastiff. Which is better: American Mastiff or Bullmastiff?
 
 
 
Name American Mastiff Bullmastiff
OriginsUnited States flagUnited States England flagEngland
Group Working Dogs Working Dogs
Popularity Rank44751
Reviews11
User Ratings

Other Names
What other names do they have?
AM Mastiff Bullie
Bully
Breed Type
Which dog is purebred or crossbreed? American Mastiff vs Bullmastiff breed type comparison:
Purebred Purebred

American Mastiff vs Bullmastiff Size and Weight Comparison

Size
Which dog is bigger, American Mastiff or Bullmastiff? Is the American Mastiff bigger than the Bullmastiff breed? Is an American Mastiff smaller than a Bullmastiff?
Giant Large
Weight
Which is heavier, American Mastiff or Bullmastiff? American Mastiff vs Bullmastiff weight comparison:
Male: 160-200 pounds (72-90 kg), Female: 140-180 pounds (63-81 kg) Male: 110-133 pounds (50–60 kg), Female: 100-120 pounds (45-55 kg)
Average Weight
Which dog has a smaller / higher average weight?
Male: 180 pounds (81 kg), Female: 160 pounds (72 kg) Male: 121.5 pounds (50–60 kg), Female: 110 pounds (50 kg)
Height
Which is taller, American Mastiff or Bullmastiff? Is an American Mastiff taller than a Bullmastiff?
28-36 inches (65-91 cm) Male: 25-27 inches (63–69 cm), Female: 24-26 inches (61–66 cm)
Average Height
Which dog has a smaller / higher average height?
32 inches (78 cm) Male: 26 inches (63–69 cm), Female: 25 inches (61–66 cm)

American Mastiff vs Bullmastiff Price and Availability Comparison

Price
Which is cheaper, American Mastiff or Bullmastiff? Which is more expensive? What is the difference in price between American Mastiff and Bullmastiff?
$1000-$1500 $1200-$1500
Availability
Which is easier to get, American Mastiff or Bullmastiff?
Rare: You may rarely see each other in everyday life, but you might catch a glimpse of each other at dog shows.
Very frequent: The Bullmastiff is quite easy to get.

American Mastiff vs Bullmastiff Trainability and Intelligence Comparison

Intelligent Rank
Which dog has more intelligence? Is a American Mastiff or Bullmastiff smarter? Which is best? American Mastiff vs Bullmastiff intelligence:
Smart: The American Mastiff dogs have great intelligence.
See more.
Low to average: This canine intelligence is not the brightest one.
See more.
Trainability
American Mastiff vs Bullmastiff trainability comparison. What's the difference between American Mastiff vs Bullmastiff?
American Mastiff dogs are easy to train.
See more.
Bullmastiff dogs are quite easy to train.
See more.
Watchdog Ability
Which is the better watchdog: American Mastiff or Bullmastiff?
American Mastiff dogs are good watchdogs.
See more.
Bullmastiff dogs are one of the best watchdogs.
See more.
Guarding Behavior / Territorial
Which is a better guard dog American Mastiff or Bullmastiff? Which dog is most likely to protect its owner? Which is the best dog to use for protection?
American Mastiff dogs strongly protect their territory.
See more.
Bullmastiff dogs are extremely protective guard dogs.
See more.

American Mastiff vs Bullmastiff Personality and Temperament Comparison

Temperament
Which one has a better personality? Which is a better family dog, American Mastiff or Bullmastiff? American Mastiff vs Bullmastiff behavior/temperament comparison:
Dignified
Protective
Courageous
Affectionate
Good-natured
Calm
Protective
Alert
Powerful
Courageous
Docile
Reliable
Loyal
Devoted
Calm
Sensitivity Level
Which dog is more sensitive? What's the difference between American Mastiff vs Bullmastiff?
American Mastiff dogs have an average emotional level and are not the most sensitive dog breed.
See more.
They are a little bit more sensitive than other dog breeds.
See more.
Affection Level
Which is the more affectionate dog breed: American Mastiff vs Bullmastiff?
Average: American Mastiff dogs are average dogs regarding their affection level.
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Average: Bullmastiff dogs are average dogs regarding their affection level.
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Social Needs
American Mastiff vs Bullmastiff social needs comparison:
American Mastiff dogs need for social interaction is average.
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Bullmastiff dogs need for social interaction is average.
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Impulse to Wander or Roam
Which dog has a greater roaming instinct? What's the difference between American Mastiff vs Bullmastiff?
American Mastiff dogs have average wanderlust potential.
See more.
Bullmastiff dogs have average wanderlust potential.
See more.
Prey Drive
Which dog has a higher prey drive? What's the difference between American Mastiff vs Bullmastiff? Which can be better for hunting?
American Mastiff dogs have a higher impulse to chase and catch something than other dog breeds.
See more.
Bullmastiff dogs have an average prey drive, which means that they don't have a high impulse to chase and catch something like a cat or any other small aminals, but it might happen.
See more.

American Mastiff vs Bullmastiff Activity and Playfulness Comparison

Playfulness
American Mastiff vs Bullmastiff playfulness comparison:
Average: American Mastiffs, like any other dog breed, like playing.
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Bullmastiffs are not the most playful dog breed.
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Barking
Which dog barks more/less: American Mastiff vs Bullmastiff?
Low to Average: The American Mastiff rarely barks.
See more.
Low: The Bullmastiff barks none to minimal.
See more.
Apartment Friendly
Which dog is more apartment friendly American Mastiff or Bullmastiff?
It is not the best choice if you want to keep them indoors, however, with careful exercise and several walks a day, they will tolerate the indoor environment, so it is possible to keep American Mastiff indoors.
It is not the best choice if you want to keep them indoors, however, with careful exercise and several walks a day, they will tolerate the indoor environment, so it is possible to keep Bullmastiff indoors.

American Mastiff vs Bullmastiff Adaptability and Independence Comparison

Adaptability
Which dog has a higher adaptability potential? Which is the better dog?
Average: American Mastiff dogs adapt to lifestyle changes and different living environments quite okay usually.
Average: Bullmastiff dogs adapt to lifestyle changes and different living environments quite okay usually.
Tolerates Being Left Alone
Which dog can be left alone: American Mastiff or Bullmastiff?
Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner.
Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner.

American Mastiff vs Bullmastiff Bite Characteristics Comparison

Bite Force PSI
Which bite is stronger: American Mastiff or Bullmastiff?

Above 400 PSI 🔼

American Mastiff bite force: The Strongest.

Between 200 and 400 PSI

Bullmastiff bite force: Ordinary.
Biting Potential
Is an American Mastiff more dangerous than a Bullmastiff?

Moderate

The American Mastiff has an average chance of biting somebody.

Low 🔽

The Bullmastiff has a low chance of biting somebody.
Mouthiness
Which is the better dog? American Mastiff vs Bullmastiff mouthiness comparison:
American Mastiff dogs have a higher than average tendency to nip, chew, playbite, or herd people.
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Bullmastiff dogs have an average tendency to nip, chew, playbite, or herd people.
See more.

American Mastiff vs Bullmastiff Health and Lifespan Comparison

Health Issues
American Mastiff vs Bullmastiff health comparison. Which is the healthier: American Mastiff vs Bullmastiff?
The American Mastiff is a healthy breed, but there are certain health issues that you should check with your vet regularly.
Very healthy dog breed.
Health Problems
Which one has more or less genetic/health problems: American Mastiff vs Bullmastiff? What are the allergies, genetic diseases and concerns for them? American Mastiff vs Bullmastiff health problems comparison:
Cataracts
Hip Dysplasia
Cancer
Hypothyroidism
Progressive retinal atrophy (PRA)
Bloat
Entropion
Skin Infections
Skin Irritation
Ectropion
Elbow Dysplasia
Arthritis
Cystine Urolithiasis
Drooling
Exposure Keratopathy Syndrome
Heart Disease
Osteoarthritis
Retinal Dysplasia
Snoring
Cancer
Hypothyroidism
Progressive retinal atrophy (PRA)
Heart Problems
Entropion
Kidney Issues
Hemangiosarcoma
Lymphosarcoma
Osteosarcoma
Veterinarian Visits
Which one may need more or less veterinary visits: American Mastiff vs Bullmastiff?
Average
The American Mastiff should have a complete physical check-up at least once per year.
Rare
The Bullmastiff should have a complete physical check-up at least every 12-18 months (but preferably once per year).
Life Expectancy
American Mastiff vs Bullmastiff lifespan comparison. How long do American Mastiff and Bullmastiff breeds live? Which one has a longer lifespan/life expectancy? What is the age limit of the American Mastiff and Bullmastiff?
10-12 years
The average lifespan of American Mastiff: 11 years
8-10 years
The average lifespan of Bullmastiff: 9 years
Weather and Climate
Which dog is best for hot or cold weather: American Mastiff vs Bullmastiff?
Prefers average to warm weather conditions
Different dogs have different preferences when it comes to weather conditions.
See more.
Prefers average to cold weather conditions
The Bullmastiff can adapt to well to cold weather conditions, some dogs even can be a good mountain dog.
See more.

American Mastiff vs Bullmastiff Energy and Activity Comparison

Energy Level
Who has more energy a American Mastiff or Bullmastiff? American Mastiff vs Bullmastiff energy level comparison:
American Mastiff dogs have a lower energy level than other dogs.
Bullmastiff dogs have a lower energy level than other dogs.
Activity Requirement / Exercise Need
American Mastiff vs Bullmastiff exercise need comparison. Which dog needs more activity? Which dog needs the most exercise: American Mastiff or Bullmastiff? Which dog needs the most walking? Which dog is the laziest?
American Mastiff dogs exercise need is minimal.
Bullmastiff dogs exercise need is minimal.
Sleeping Need
Which one sleeps the least/most: American Mastiff or Bullmastiff?
American Mastiff dogs like sleeping so they do sleep a lot.
Bullmastiff dogs like sleeping so they do sleep a lot.

American Mastiff vs Bullmastiff Diet and Weight Management Comparison

Average daily food consumption
Which dog eats more: American Mastiff or Bullmastiff? Does the American Mastiff breed eat more than the Bullmastiff breed?
6 to 8 cups of high-quality dry food a day, divided into two meals. 3 to 4.5 cups of high-quality dry food a day, divided into two meals.
Weight Gain Potential / Prone to Obesity
Which dog breed is more prone to obesity? American Mastiff vs Bullmastiff weight gain potential comparison:
Average: The American Mastiff has an average risk for obesity.
See more.
High: The Bullmastiff breed has a strong tendency to be overweight.
See more.

American Mastiff vs Bullmastiff Allergies and Grooming Comparison

Coat / Hair Types
What type of coat/fur do they have? American Mastiff vs Bullmastiff coat comparison:
Straight Rough
Colors
What are the original American Mastiff and Bullmastiff color? American Mastiff vs Bullmastiff color comparison:
White
Fawn
Brindle
Apricot
Red
Fawn
Brindle
Grooming
Which dog is easy to maintain, American Mastiff or Bullmastiff? American Mastiff vs Bullmastiff grooming comparison:
Average: The American Mastiff requires average grooming effort.
See more.
Easy to groom: The Bullmastiff doesn't require a lot of grooming.
See more.
Shedding Level
Who sheds more American Mastiff or Bullmastiff? Do American Mastiff dogs shed more than Bullmastiff dogs?
American Mastiff dogs shed moderately.
See more.
Bullmastiff dogs shed moderately.
See more.
Bath Time / Bathing Frequency
Which dog should be bathed more: American Mastiff or Bullmastiff?
3-4 weeks
More often than average. These dog coats tend to be longer, softer, and oilier than short-haired breeds.
See more.
4-6 weeks
Average. Experts recommended at least every 4-6 weeks for this family pup.
See more.
Hypoallergenic
American Mastiff vs Bullmastiff hypoallergenic comparison. Which dog is hypoallergenic or not?
No See more. No See more.
Stinkiness
Which dog breed smells the least? Which dog smells the most? Which is best, American Mastiff or Bullmastiff?

High 🔼

The American Mastiff has a high chance of bad smell.

High 🔼

The Bullmastiff has a high chance of bad smell.
Drooling Tendency
Which dog drools the most? Which dog drools the least? What's the difference between American Mastiff vs Bullmastiff?
The American Mastiff is a big drooler, so if you're disgusted by slobber spots on your clothes, you should choose a dog from another breed.
See more.
The Bullmastiff is a big drooler, so if you're disgusted by slobber spots on your clothes, you should choose a dog from another breed.
See more.

American Mastiff vs Bullmastiff Good With Comparison

Pet Friendly
Which dog breeds get along well with other animals/pets?
American Mastiff dogs are generally with other pets.
Bullmastiff dogs do best when they’re the only pet at the family.
Stranger Friendly
Which dog is more stranger friendly American Mastiff or Bullmastiff? Which dog is more friendly?
American Mastiff dogs are average friendly towards strangers.
Bullmastiff dogs are average friendly towards strangers.
Child Friendly
Which dog is more child/kid friendly American Mastiff or Bullmastiff?
American Mastiff dogs are kid-friendly dogs.
Bullmastiff dogs are kid-friendly dogs.
Cat Friendly
Which dog is more cat friendly American Mastiff or Bullmastiff?
American Mastiff dogs are average friendly towards cats.
Bullmastiff dogs are not cat-friendly dogs.
Dog Friendly
Which dog is more dog friendly American Mastiff or Bullmastiff? Can an American Mastiff and a Bullmastiff be friends? Do American Mastiff dogs get along with Bullmastiff dogs?
American Mastiff dogs are average friendly towards other dogs.
Bullmastiff dogs are not dog-friendly.
Good For First Time Owners
Which dog is best for first time owners: American Mastiff vs Bullmastiff?
Yes
American Mastiff dogs are good for novice owners, due to their easy-going personality.
Yes
Bullmastiff dogs are good for novice owners, due to their easy-going personality.
Office Friendly
Which one fits better in the office?
No
American Mastiff is not the best dog breed for office environment.
No
Bullmastiff is not the best dog breed for office environment.
Senior Citizens Friendly
Which dog is good for elderly people?
American Mastiffs are usually recommended for elderly people.
Bullmastiffs are usually recommended for elderly people.

American Mastiff vs Bullmastiff As a Working Dog Comparison

Service Dog
Which one could be a service dog?

Not really

This breed generally not used as a service dog.
See more.

Not really

This breed generally not used as a service dog.
See more.
Therapy Dog
Which one could be a therapy dog: American Mastiff or Bullmastiff? Which is better for autism?

Not really

This breed is generally not used as a therapy dog.
See more.

Yes

This breed makes a perfect therapy dog.
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Detection Dog or Sniffer Dog
Which one could be a detection/sniffer dog?

Not really

They are not typically employed for this type of work, but there may be exceptional cases.

Not really

They are not typically employed for this type of work, but there may be exceptional cases.
Search and Rescue Dog (SAR)
Which one could be a search and rescue dog?

Not really

This dog breed is not typically used as a search and rescue dog.

Not really

This dog breed is not typically used as a search and rescue dog.
Boat and Sailor Dog
Which one could be a boat dog: American Mastiff vs Bullmastiff?

Not really

American Mastiff breed usually doesn't like being on a boat.
See more.

Not really

Bullmastiff breed usually doesn't like being on a boat.
See more.
Cart Pulling or Drafting Dog
Which one could be a cart pulling or drafting dog?

Yes

A drafting dog or draft dog is a dog bred and used for cart pulling.
See more.

Yes

A drafting dog or draft dog is a dog bred and used for cart pulling.
See more.
Fighting Dog / Military Dog

Not really

In history, this breed was not really used for combat dog.

Not really

In history, this breed was not really used for combat dog.

American Mastiff vs Bullmastiff Reproducibility Comparison

Gestation Length 60-64 days See more. 60-64 days See more.
Litter Frequency

Once a year.

More frequent breeding is not healthy.
See more.

Once a year.

More frequent breeding is not healthy.
See more.
Litter Size
How many puppies can American Mastiff and Bullmastiff have? American Mastiff vs Bullmastiff litter size comparison:
2-5 puppies 4-13 puppies, average 8

American Mastiff vs Bullmastiff Recognition Comparison

AKC Group
Which dog is recognized by the AKC?
Not recognized by the American Kennel Club. Recognized by the American Kennel Club in 1934 as a Working breed.
FCI Group
Which dog is recognized by the FCI?
Not recognized by FCI. Recognized by FCI in the Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs group, in the Molossian type section.
Breed Recognition
What other organizations and kennel clubs recognize these dog breeds?
No data available American Canine Registry
American Kennel Club
America's Pet Registry
Canadian Kennel Club
Dog Registry of America Inc.
Federation Cynologique Internationale
Kennel Club of Great Britain
North American Purebred Registry, Inc.
American Canine Association, Inc.
Australian National Kennel Council
Continental Kennel Club
National Kennel Club
New Zealand Kennel Club

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