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Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Comparison - Dog breed selector: Bullie or Gentle Giant or Swissy? Find the right dog for you

"Find similarities and differences between Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog" Compare Bullmastiff and Leonberger. Which is better: Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
 
 
 
Name Bullmastiff Leonberger Greater Swiss Mountain Dog
OriginsEngland flagEngland Germany flagGermany Switzerland flagSwitzerland
Group Working Dogs Working Dogs Working Dogs
Popularity Rank5110075
Reviews132
User Ratings

Other Names
What other names do they have?
Bullie
Bully
Gentle Giant
Gentle Lion
Leonbergi
Leo
Swissy
Great Swiss Mountain Dog
Grosser Schweizer Sennenhund
Large Swiss Mountain Dog
Great Swiss Cattle Dog
Bouvier Suisse
Breed Type
Which dog is purebred or crossbreed? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog breed type comparison:
Purebred Purebred Purebred

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Size and Weight Comparison

Size
Which is bigger, Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Which is the smallest dog, Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
Large Giant Large
Weight
Which is heavier, Bullmastiff or Leonberger or Leonberger? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog weight comparison:
Male: 110-133 pounds (50–60 kg), Female: 100-120 pounds (45-55 kg) Male: 130-170 pounds (59-77 kg), Female: 100-130 pounds (45-59 kg) 130-135 pounds (59-61 kg)
Average Weight
Which dog has a smaller / higher average weight?
Male: 121.5 pounds (50–60 kg), Female: 110 pounds (50 kg) Male: 150 pounds (68 kg), Female: 115 pounds (52 kg) 132.5 pounds (60 kg)
Height
Which is taller, Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog height comparison:
Male: 25-27 inches (63–69 cm), Female: 24-26 inches (61–66 cm) Male: 29-31 inches (74-80 cm), Female: 27-29 inches (61-74 cm) 23.5-28.5 (60-72 cm)
Average Height
Which dog has a smaller / higher average height?
Male: 26 inches (63–69 cm), Female: 25 inches (61–66 cm) Male: 30 inches (77 cm), Female: 28 inches (67.5 cm) 23.5-28.5 (66 cm)

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Price and Availability Comparison

Price
Which is cheaper, Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Which is more expensive?
$1200-$1500 $1500-$2000 $2000-$2500
Availability
Which is easier to get, Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
Very frequent: The Bullmastiff is quite easy to get.
Frequent: The Leonberger is easier than average to get.
Very frequent: The Greater Swiss Mountain Dog is quite easy to get.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Trainability and Intelligence Comparison

Intelligent Rank
Which is the smarter dog? Which is best? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog intelligence:
Low to average: This canine intelligence is not the brightest one.
See more.
Average: It takes patience to teach this breed any tricks or commands, but the effort is worth it.
See more.
Low to average: This canine intelligence is not the brightest one.
See more.
Trainability
Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog trainability comparison.
Bullmastiff dogs are quite easy to train.
See more.
Leonberger dogs are quite easy to train.
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Greater Swiss Mountain Dog dogs are quite easy to train.
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Watchdog Ability
Which is the better watchdog: Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
Bullmastiff dogs are one of the best watchdogs.
See more.
Leonberger dogs are one of the best watchdogs.
See more.
Greater Swiss Mountain Dog dogs are one of the best watchdogs.
See more.
Guarding Behavior / Territorial
Which is a better guard dog Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Which dog is most likely to protect its owner? Which is the best dog to use for protection?
Bullmastiff dogs are extremely protective guard dogs.
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Leonberger dogs are extremely protective guard dogs.
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Greater Swiss Mountain Dog dogs are extremely protective guard dogs.
See more.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Personality and Temperament Comparison

Temperament
Which one has a better personality? Which is a better family dog, Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog behavior/temperament comparison:
Protective
Alert
Powerful
Courageous
Docile
Reliable
Loyal
Devoted
Calm
Loving
Obedient
Loyal
Fearless
Companionable
Adaptable
Protective
Alert
Devoted
Selfish
Fearless
Good-natured
Confidence
Sensitivity Level
Which dog is more sensitive? What's the difference?
They are a little bit more sensitive than other dog breeds.
See more.
They are a little bit more sensitive than other dog breeds.
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They are a little bit more sensitive than other dog breeds.
See more.
Affection Level
Which is the more affectionate dog breed: Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog?
Average: Bullmastiff dogs are average dogs regarding their affection level.
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High: Leonberger dogs are genuinely loyal, soft and gentle, loving, and affectionate dogs toward their handlers.
See more.
Average to High: Greater Swiss Mountain Dog dogs are highly affectionate dogs.
See more.
Social Needs
Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog social needs comparison:
Bullmastiff dogs need for social interaction is average.
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Leonberger dogs need a lot of social interaction.
See more.
Greater Swiss Mountain Dog dogs are a social breed.
See more.
Impulse to Wander or Roam
Which dog has a greater roaming instinct?
Bullmastiff dogs have average wanderlust potential.
See more.
Leonberger dogs tend to escape less than other breeds.
See more.
Greater Swiss Mountain Dog dogs have average wanderlust potential.
See more.
Prey Drive
Which dog has a higher prey drive? Which can be better for hunting?
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.
Leonberger dogs have a higher impulse to chase and catch something than other dog breeds.
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Greater Swiss Mountain Dog dogs have a higher impulse to chase and catch something than other dog breeds.
See more.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Activity and Playfulness Comparison

Playfulness
Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog playfulness comparison:
Bullmastiffs are not the most playful dog breed.
See more.
The Leonberger is a playful breed.
See more.
Average: Greater Swiss Mountain Dogs, like any other dog breed, like playing.
See more.
Barking
Which dog barks more/less: Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog?
Low: The Bullmastiff barks none to minimal.
See more.
Low: The Leonberger barks none to minimal.
See more.
Low to Average: The Greater Swiss Mountain Dog rarely barks.
See more.
Apartment Friendly
Which dog is more apartment friendly Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
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.
Not an apartment-friendly dog the Leonberger breed.
It is not recommended to keep the Greater Swiss Mountain Dog breed in the home.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Adaptability and Independence Comparison

Adaptability
Which dog has a higher adaptability potential? Which is the better dog?
Average: Bullmastiff dogs adapt to lifestyle changes and different living environments quite okay usually.
Average: Leonberger dogs adapt to lifestyle changes and different living environments quite okay usually.
Average: Greater Swiss Mountain Dog dogs adapt to lifestyle changes and different living environments quite okay usually.
Tolerates Being Left Alone
Which dog can be left alone: Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
Just like every puppy, they are prone to panic, cry, bark, whine when they left alone by their owner.
Leonberger dogs tend to have separation anxiety when their owners left them alone at home because they bond very closely with them.
Greater Swiss Mountain Dog dogs do best when a family member is at home during the day or if their workplace is dog-friendly so they can take the dog at work.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Bite Characteristics Comparison

Bite Force PSI
Which bite is stronger: Bullmastiff or Leonberger or Greater Swiss Mountain Dog?

Between 200 and 400 PSI

Bullmastiff bite force: Ordinary.

Above 400 PSI 🔼

Leonberger bite force: The Strongest.

Between 200 and 400 PSI

Greater Swiss Mountain Dog bite force: Ordinary.
Biting Potential
Which breed of dog is most likely to bite? Biting potential comparison:

Low 🔽

The Bullmastiff has a low chance of biting somebody.

Low 🔽

The Leonberger has a low chance of biting somebody.

Low 🔽

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

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Health and Lifespan Comparison

Health Issues
Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog health comparison. Which is the healthier: Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog?
Very healthy dog breed.
Leonbergers tend to have more frequent health issues than other breeds.
The Greater Swiss Mountain Dog is a healthy breed, but there are certain health issues that you should check with your vet regularly.
Health Problems
Which one has more or less genetic/health problems: Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog? What are the allergies, genetic diseases and concerns for them? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog health problems comparison:
Cancer
Hypothyroidism
Progressive retinal atrophy (PRA)
Heart Problems
Entropion
Kidney Issues
Hemangiosarcoma
Lymphosarcoma
Osteosarcoma
Hip Dysplasia
Cancer
Bloat
Entropion
Inherited Polyneuropathy
Ectropion
Elbow Dysplasia
Addison's Disease
Eosinophilic Panosteitis
Hip Dysplasia
Bloat
Epilepsy
Distichiasis
Digestive Problems
Veterinarian Visits
Which one may need more or less veterinary visits?
Rare
The Bullmastiff should have a complete physical check-up at least every 12-18 months (but preferably once per year).
Frequent
The Leonberger should have a complete physical check-up at least once (but preferably twice) per year.
Average
The Greater Swiss Mountain Dog should have a complete physical check-up at least once per year.
Life Expectancy
Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog lifespan comparison. How long do Bullmastiff, Leonberger and Greater Swiss Mountain Dog breeds live? Which one has a longer lifespan/life expectancy?
8-10 years
The average lifespan of Bullmastiff: 9 years
8-10 years
The average lifespan of Leonberger: 9 years
10-12 years
The average lifespan of Greater Swiss Mountain Dog: 11 years
Weather and Climate
Which dog is best for hot or cold weather: Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog?
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.
Prefers cold weather
The Leonberger can adapt well to harsh weather conditions, and also can be a good mountain dog.
See more.
Prefers cold weather
The Greater Swiss Mountain Dog can adapt well to harsh weather conditions, and also can be a good mountain dog.
See more.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Energy and Activity Comparison

Energy Level
Who has more energy a Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog energy level comparison:
Bullmastiff dogs have a lower energy level than other dogs.
Leonberger dogs have a higher energy level than other dog breeds.
Greater Swiss Mountain Dog dogs are high-energy dogs.
Activity Requirement / Exercise Need
Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog exercise need comparison. Which dog needs more activity? Which dog needs the most exercise: Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Which dog needs the most walking? Which dog is the laziest?
Bullmastiff dogs exercise need is minimal.
Leonberger dogs need quite a lot of exercise.
Greater Swiss Mountain Dog dogs have an average exercise need.
Sleeping Need
Which one sleeps the least/most: Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
Bullmastiff dogs like sleeping so they do sleep a lot.
Leonberger dogs are quite energetic dogs and they don't spend too much time with sleeping.
Greater Swiss Mountain Dog dogs don't need too much sleep.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Diet and Weight Management Comparison

Average daily food consumption
Which dog eats more: Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
3 to 4.5 cups of high-quality dry food a day, divided into two meals. 8 to 10 cups of high-quality dry food a day, divided into two meals 4 to 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? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog weight gain potential comparison:
High: The Bullmastiff breed has a strong tendency to be overweight.
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Average to High: If you don't pay attention to the Leonberger's weight, he can easily gain weight.
See more.
Average to High: If you don't pay attention to the Greater Swiss Mountain Dog's weight, he can easily gain weight.
See more.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Allergies and Grooming Comparison

Coat / Hair Types
What type of coat/fur do they have? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog coat comparison:
Rough Waterproof Dense
Colors
What are the original Bullmastiff, Leonberger and Greater Swiss Mountain Dog color?
Red
Fawn
Brindle
Red
Brown
Yellow
Sandy
Reddish
Mahogany
Black
Red
White
Grooming
Which dog is easy to maintain, Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog grooming comparison:
Easy to groom: The Bullmastiff doesn't require a lot of grooming.
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Average: The Leonberger requires average grooming effort.
See more.
Effortless: The Greater Swiss Mountain Dog requires minimal grooming.
See more.
Shedding Level
Who sheds more Bullmastiff or Leonberger or Greater Swiss Mountain Dog? Bullmastiff or Leonberger or {name3 shedding:
Bullmastiff dogs shed moderately.
See more.
Leonberger dogs are heavy shedders.
See more.
Greater Swiss Mountain Dog dogs shed none to minimal.
See more.
Bath Time / Bathing Frequency
Which dog should be bathed more: Bullmastiff or Leonberger or Greater Swiss Mountain Dog?
4-6 weeks
Average. Experts recommended at least every 4-6 weeks for this family pup.
See more.
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
Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog hypoallergenic comparison. Which dog is hypoallergenic or not?
No See more. No See more. No See more.
Stinkiness
Which dog breed smells the least? Which dog smells the most? Which is best, Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog?

High 🔼

The Bullmastiff has a high chance of bad smell.

Medium

The Leonberger has an average chance of bad smell.

Medium

The Greater Swiss Mountain Dog has an average chance of bad smell.
Drooling Tendency
Which dog drools the most? Which dog drools the least?
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.
The Leonberger is an average drooler.
See more.
The Greater Swiss Mountain Dog is a perfect example of a very low drooling tendency.
See more.

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Good With Comparison

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

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog 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.

Not really

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

Yes

This breed makes a perfect therapy dog.
See more.

Not really

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

Not really

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

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.

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: Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog?

Not really

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

Not really

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

Not really

Greater Swiss Mountain Dog 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.

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.

Not really

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

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Reproducibility Comparison

Gestation Length 60-64 days See more. 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.

Once a year.

More frequent breeding is not healthy.
See more.
Litter Size
How many puppies can Bullmastiff and Leonberger and Greater Swiss Mountain Dog have?
4-13 puppies, average 8 6-8 puppies 5-10 puppies

Bullmastiff vs Leonberger vs Greater Swiss Mountain Dog Recognition Comparison

AKC Group
Which dog is recognized by the AKC?
Recognized by the American Kennel Club in 1934 as a Working breed. Recognized by the American Kennel Club in 2010 as a Working breed. Recognized by the American Kennel Club in 1995 as a Working breed.
FCI Group
Which dog is recognized by the FCI?
Recognized by FCI in the Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs group, in the Molossian type section. Recognized by FCI in the Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs group, in the Molossian type section. Recognized by FCI in the Pinscher and Schnauzer - Molossoid and Swiss Mountain and Cattledogs group, in the Swiss Mountain- and Cattledogs section.
Breed Recognition
What other organizations and kennel clubs recognize these dog breeds?
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
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.
Continental Kennel Club
National Kennel Club
New Zealand Kennel Club
American Canine Registry
Dog Registry of America Inc.
North American Purebred Registry, Inc.
American Canine Association, Inc.
Continental Kennel Club
National Kennel Club
American Pet Registry, Inc.

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