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?

Size and Weight Price and Availability Trainability and Intelligence Personality and Temperament Activity and Playfulness Adaptability and Independence Bite Characteristics Health and Lifespan Energy and Activity Diet and Weight Management Allergies and Grooming Good With As a Working Dog Reproducibility Recognition Show differences only

Name	American Mastiff	Bullmastiff
Origins	United States	England
All Dog Breeds By Country Of Origin
Group	Working Dogs	Working Dogs
Popularity Rank	447	51
Reviews	1	1
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.
Smartest Dog Breeds
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.
Least Obedient Dog Breeds		Dog Breeds That Easy To Train
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.
Guard Dog Breeds List

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.
Most Sensitive Dog Breeds		Less Sensitive Dog Breeds
Affection Level Which is the more affectionate dog breed: American Mastiff vs Bullmastiff?	Average: American Mastiff dogs are average dogs regarding their affection level. See more.	Average: Bullmastiff dogs are average dogs regarding their affection level. See more.
Most Affectionate Dog Breeds
Social Needs American Mastiff vs Bullmastiff social needs comparison:	American Mastiff dogs need for social interaction is average. See more.	Bullmastiff dogs need for social interaction is average. See more.
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.
Dog Breeds With Low Prey Drive		Dog Breeds With High Prey Drive

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. See more.	Bullmastiffs are not the most playful dog breed. See more.
Most Playful Dog Breeds
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.
Quiet Dog Breeds That Don't Bark		Dog Breeds That Bark The Most
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.
The Worst Dog Breeds for Apartment Living		Apartment Friendly Dogs List

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.
Dog Breeds With The Lowest Bite Force		Dog Breeds With the Strongest Bite Force
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. See more.	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.
Healthiest Dog Breeds
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).
Longest Living Dog Breeds
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
Calculate dog years to human years by breed here
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.
Low-Energy Dog Breeds		High-Energy Dog Breeds
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.
Dog Breeds That 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.
Dog Breeds That Eat A Lot
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.
Dog Breeds Prone To Obesity

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.
Low-Maintenance Dog Breeds		High-Maintenance Dog Breeds
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.
Low-Shedding Dog Breeds		Dog Breeds That Shed The Most
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.
Hypoallergenic Dog Breeds
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.
Dog Breeds That Are Aloof With Strangers		Dog Breeds That Are Friendly To 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.
Kid-Friendly Dog Breeds
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 Breeds That Get Along Well With Cats
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.
Most Popular Service Dog Breeds
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. See more.
Therapy Dog Breeds
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
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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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