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Bullmastiff vs. Boxer: What's the Difference?

Edited by Janet White || By Harlon Moss || Published on February 4, 2024
The Bullmastiff is a large, powerful dog breed known for its guarding abilities, while the Boxer is a medium-sized, energetic breed known for its playfulness and athleticism.

Key Differences

The Bullmastiff is a large breed, known for its strength and protective nature, making it an excellent guard dog. In contrast, the Boxer is a medium-sized breed, recognized for its high energy, agility, and playful demeanor.
Bullmastiffs have a calm and reserved temperament, often being gentle giants with their families. Boxers, on the other hand, are more boisterous and fun-loving, often behaving like energetic puppies even in adulthood.
In terms of appearance, Bullmastiffs are robust and muscular with a short, dense coat. Boxers are also muscular but are more streamlined and athletic in build, with a distinctive square muzzle and expressive face.
Bullmastiffs require moderate exercise and are relatively low-energy indoors. Conversely, Boxers are high-energy dogs that need plenty of exercises and thrive in active environments.
Health-wise, Bullmastiffs may face issues like hip dysplasia and are prone to certain cancers. Boxers also have health concerns, including heart conditions and hip dysplasia, and require regular health checks.

Comparison Chart



Energy Level

Low to moderate


Protective, calm
Playful, energetic

Exercise Needs



8-10 years
10-12 years

Bullmastiff and Boxer Definitions


The Bullmastiff is a large, powerful dog breed.
The Bullmastiff guarded the house with a calm, watchful presence.


The Boxer is a medium-sized, athletic dog breed.
The Boxer enjoyed running and playing fetch in the park.


Bullmastiffs are known for their protective nature.
The family felt safe with their Bullmastiff patrolling the yard.


Boxers are known for their playful and energetic nature.
The Boxer puppy kept everyone entertained with its playful antics.


Bullmastiffs are a low-energy breed indoors.
The Bullmastiff spent most of the day lounging peacefully in the living room.


Boxers have a distinctive square muzzle and expressive face.
The Boxer's face always seemed to express its joyful personality.


Bullmastiffs have a short, dense coat.
The Bullmastiff's coat requires regular grooming to maintain its shine.


Boxers require regular exercise and mental stimulation.
Daily walks and puzzle toys kept the Boxer healthy and engaged.


Bullmastiffs are gentle and affectionate with family.
Despite his size, the Bullmastiff was gentle with the children.


Boxers are affectionate and loyal family pets.
The family's Boxer was always happy to greet them with a wagging tail.


A large, heavy-set, powerful dog of a breed developed from the bulldog and the mastiff.


(Sports)One who fights with the fists as a sport.


Alternative case form of Bullmastiff


Boxers Boxer shorts.


What is a Boxer?

A Boxer is a medium-sized, athletic dog breed known for its playful and energetic temperament.

Are Bullmastiffs good family pets?

Yes, Bullmastiffs are good family pets, known for being gentle and affectionate with their families.

What is a Bullmastiff?

A Bullmastiff is a large dog breed known for its strength and protective nature.

Are Boxers good with children?

Yes, Boxers are generally good with children and known for their playful and patient nature.

What type of exercise is best for a Boxer?

Boxers need vigorous exercise like running, playing fetch, and agility training.

How long do Bullmastiffs typically live?

Bullmastiffs have a lifespan of 8-10 years.

What are some health concerns for Boxers?

Health concerns for Boxers include heart conditions, hip dysplasia, and allergies.

What is the average lifespan of a Boxer?

Boxers typically live for 10-12 years.

What health issues are common in Bullmastiffs?

Common health issues in Bullmastiffs include hip dysplasia and certain cancers.

How much exercise does a Bullmastiff need?

Bullmastiffs require moderate exercise, including daily walks and playtime.

Do Bullmastiffs require a lot of grooming?

Bullmastiffs have a short coat that requires minimal grooming, but regular brushing is recommended.

Are Bullmastiffs aggressive?

Bullmastiffs are not typically aggressive and are known for their calm demeanor, but they are protective.

Is the Boxer a good choice for first-time dog owners?

Boxers can be a good choice for first-time owners who are prepared for their energy and exercise needs.

Can Bullmastiffs live in apartments?

Bullmastiffs can live in apartments if they receive adequate exercise, but they prefer larger spaces.

How much grooming does a Boxer need?

Boxers have a short coat that requires minimal grooming, but regular brushing is beneficial.

Are Boxers easy to train?

Yes, Boxers are intelligent and generally respond well to positive, consistent training methods.

Are Boxers good apartment dogs?

Boxers can adapt to apartment living if they get enough exercise and mental stimulation.

Are Boxers prone to any behavioral issues?

Boxers are generally well-behaved but can develop behavioral issues if not given enough exercise and mental stimulation.

Do Bullmastiffs drool a lot?

Yes, Bullmastiffs are known to drool, especially after drinking or eating.

Do Bullmastiffs get along with other pets?

Bullmastiffs can get along with other pets if properly socialized from a young age.
About Author
Written by
Harlon Moss
Harlon is a seasoned quality moderator and accomplished content writer for Difference Wiki. An alumnus of the prestigious University of California, he earned his degree in Computer Science. Leveraging his academic background, Harlon brings a meticulous and informed perspective to his work, ensuring content accuracy and excellence.
Edited by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.

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