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Bullmastiff vs. Boxer — What's the Difference?

Edited by Tayyaba Rehman — By Fiza Rafique — Updated on September 22, 2023
Bullmastiffs are large, strong dogs originally bred for guarding estates; they tend to be calm and good with families. Boxers are medium-sized, energetic dogs bred for work and companionship; they are playful and great with children.
Bullmastiff vs. Boxer — What's the Difference?

Difference Between Bullmastiff and Boxer

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Key Differences

Bullmastiffs are known for their large size and muscular build, often weighing between 100-130 pounds. Boxers are generally smaller, usually weighing between 50-80 pounds, making them more agile and energetic.
Bullmastiffs have a calm, protective temperament and are often used as guard dogs. Boxers are playful, high-spirited, and make excellent family pets, especially when it comes to interacting with children.
Bullmastiffs have a short coat that requires minimal grooming and is often fawn, red, or brindle in color. Boxers also have a short coat but come in more color varieties, including white, and generally require more exercise to stay happy.
While Bullmastiffs are better suited for low-activity households due to their calm demeanor, Boxers require a more active lifestyle and enjoy participating in various canine sports.
Both breeds are loyal and affectionate with their families, but Bullmastiffs are generally more reserved with strangers, whereas Boxers are more welcoming and social.
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Comparison Chart

Size

Large, 100-130 pounds
Medium, 50-80 pounds

Temperament

Calm, protective
Playful, energetic

Coat

Short, minimal grooming
Short, some grooming

Activity Level

Low
High

Common Usage

Guard dog
Family pet, work

Compare with Definitions

Bullmastiff

Known for protective instincts.
The Bullmastiff alerted the family to the intruder.

Boxer

A medium-sized, muscular breed.
The Boxer leapt energetically through the field.

Bullmastiff

Commonly used as a guard dog.
The Bullmastiff was specifically bred to protect property.

Boxer

Known for playful temperament.
The Boxer loves playing fetch with the children.

Bullmastiff

A large, muscular breed.
The Bullmastiff guarded the estate diligently.

Boxer

Excellent family pets, good with kids.
The Boxer is the perfect addition to our active family.

Bullmastiff

Requires minimal grooming.
The Bullmastiff's coat stays clean with little effort.

Boxer

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

Bullmastiff

Good for families but reserved with strangers.
The Bullmastiff was friendly with the kids but cautious around newcomers.

Boxer

Boxers Boxer shorts.

Bullmastiff

The Bullmastiff is a large-sized breed of domestic dog, with a solid build and a short muzzle. The Bullmastiff is a mastiff type dog, and was originally developed by 19th-century gamekeepers to guard estates.

Boxer

One that packs items in boxes.

Bullmastiff

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

Boxer

A medium-sized, short-haired dog of a breed developed in Germany, having a brownish coat and a short, square-jawed muzzle.

Bullmastiff

Alternative case form of Bullmastiff

Boxer

A member of a secret society in China that unsuccessfully attempted in 1900 to drive foreigners from the country by violence and force Chinese Christians to renounce their religion.

Boxer

A participant (fighter) in a boxing match.
You can tell she's a boxer by looking at her nose.

Boxer

A breed of stocky, medium-sized, short-haired dog with a square-jawed muzzle.

Boxer

A type of internal combustion engine in which cylinders are arranged in two banks on either side of a single crankshaft.

Boxer

The person running a game of two-up.

Boxer

One who packs boxes.

Boxer

A letterboxer.

Boxer

One who packs boxes.

Boxer

One who boxes; a pugilist.

Boxer

A breed of dog.

Boxer

Someone who fights with his fists for sport

Boxer

A workman employed to pack things into containers

Boxer

A member of a nationalistic Chinese secret society that led an unsuccessful rebellion in 1900 against foreign interests in China

Boxer

A breed of stocky medium-sized short-haired dog with a brindled coat and square-jawed muzzle developed in Germany

Boxer

Requires more exercise and grooming.
The Boxer enjoys his daily jogs and brushings.

Boxer

Versatile in both work and companionship.
The Boxer helps on the farm and cuddles at home.

Common Curiosities

Do Bullmastiffs require a lot of exercise?

No, they are generally low-activity dogs.

How large is a Bullmastiff?

Typically between 100-130 pounds.

How active are Boxers?

Quite active and energetic.

Are Boxers easy to train?

They are intelligent but can be stubborn.

Are Bullmastiffs hypoallergenic?

No, they are not.

What was the Boxer bred for?

Work and companionship.

How are Bullmastiffs with children?

Generally very good.

Are Bullmastiffs good family pets?

Yes, but they are reserved with strangers.

Do Bullmastiffs drool?

Yes, they tend to drool.

Can Boxers live in an apartment?

It's possible, but they need regular exercise.

How long do Boxers live?

Typically 10-12 years.

Do Boxers get along with other dogs?

Usually, but it can vary.

What colors do Bullmastiffs come in?

Commonly fawn, red, or brindle.

Can a Bullmastiff live in hot climates?

It's possible but not ideal due to their coat.

What are common health issues for Boxers?

They are prone to hip dysplasia and some heart issues.

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Author Spotlight

Written by
Fiza Rafique
Fiza Rafique is a skilled content writer at AskDifference.com, where she meticulously refines and enhances written pieces. Drawing from her vast editorial expertise, Fiza ensures clarity, accuracy, and precision in every article. Passionate about language, she continually seeks to elevate the quality of content for readers worldwide.
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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