Bullmastiff and Rottweiler Mix: Is It a Perfect Match?

Bullmastiff Rottweiler mix

The Bullmastiff and Rotthttps://rottweilerscare.com/category/blog/weiler mix, also known as the Bull Mastweiler, is a large, powerful dog known for its loyal and protective nature. This hybrid combines the characteristics of both parent breeds, with the Bullmastiff being bred in England for guarding estates and the Rottweiler being bred in Germany for guarding and herding.

The Bull Mastweiler inherits these traits, making them excellent family pets when properly trained and socialized from an early age. They can be more mellow than purebred Rotties and are intelligent, making them easy to train, although they may exhibit stubbornness.

However, due to their size and strength, they should be supervised around others unless well-socialized. An experienced owner with firm, consistent training and socialization is ideal for this mix.

Characteristic of Bullmastiff and Rottweiler Mix :

The Bullmastiff and Rottie hybrid, also known as the Bull Mastweiler , is a crossbreed that combines the characteristics of two strong and protective breeds. This giant dog has a robust appearance, intellectual nature, and loyalty. Consistent training and early socialization are essential for their protective instincts.

Characteristics Of A Bullmastiff :


The Bullmastiff is a large, muscular dog breed renowned for its power, devotion, and protective instincts. Here are some of the main traits of a Bullmastiff.

Size: They are normally 24 to 27 inches tall at the shoulder.

Weight: A healthy Bullmastiff can weigh between 100 and 130 pounds.

Coat: Their coat is short, dense, and can be fawn, ruby or brindle, with black patterns.

Bullmastiffs live an average of 8 to 10 years.

Temperament: They are known for being dependable, protective, attentive, loving, companionable, and peaceful.

Exercise Requirements: They require moderate exercise to keep their muscle tone and overall health.

Bullmastiffs are intelligent and trainable, but have a strong-willed nature that requires a confident owner. Early and consistent socialization is crucial for their well-behaved nature. Originally bred to assist English gamekeepers, they are gentle and affectionate with families. Due to size and strength, they should be supervised around small children and other animals unless properly socialized.

Characteristics Of A Rottweiler :

Rotties , known for their strength, confidence, and loyalty, have a size of 24 to 27 inches and weigh between 85 to 135 pounds, with males typically larger. Their short, coarse, and black coat with tan markings is a key characteristic.

Rotties live 8 to 12 years and have a natural instinct to protect. Regular exercise is essential for their health and energy levels. Early and consistent training is crucial for their strong-willed nature. Socialization is essential for well-adjustment as family pets. Originally bred to herd livestock, Rotties have been used as guard dogs, police dogs, and military dogs.

Is A Bullmastiff and Rottweiler Mix Compatible?

Bullmastiff Rottweiler mix

The Bullmastiff and Rottie mix, a combination of two powerful breeds, can be a rewarding choice for owners. The Bullmastiff inherits the protective instincts and loyalty of both parent breeds, making them loving and gentle with their family. Proper training and socialization from an early age are crucial for this mix, as they can be intelligent and trainable but may exhibit stubbornness.

Exercise is essential for maintaining health and energy levels, and the mix requires ample space due to their size. Health considerations include potential hip and elbow dysplasia, common in larger breeds. In summary, the Bullmastiff and Rottweiler mix is a great match for owners who understand the needs of large, powerful dogs and are committed to providing necessary training, exercise, and care. 

Bullmastiff and Rottweiler Differences

Bullmastiff Rottweiler difference

Although the Bullmastiff and Rottie are both large, strong breeds with a strong presence and protective instincts, they differ in important ways. Here’s a comparison based on the data I discovered:


Bullmastiffs typically stand 24-27 inches tall and weigh 100-130 pounds.

Rotties typically range in height from 22 to 27 inches and weigh from 77 and 132 pounds, with some variance in size.


Bullmastiffs are known for their stocky body and wrinkled skin, particularly around the face and neck. Their coat is short and can be fawn, crimson, or brindle, with black markings.

Rotties have a short, coarse black coat with tan, mahogany, or rust markings. They are muscular across the chest and frequently have docked tail. 

Lifespan: Bullmastiffs typically live about 7-9 years.

Rottie: Has a significantly longer lifespan (8-10 years).

Temperament: Bullmastiffs are affectionate with their families, independent, and may assert authority during training.

Rottie: Very friendly and playful with family members, adaptable, and enjoys fast-paced activities such as play or running. 

Trainability: Bullmastiffs are easy to train, but may exhibit independence.

Rotties are very easy to teach and frequently enjoy the process.

Bullmastiffs have high energy levels and require regular exercise.

Rottie: Moderate energy level, but prefers more strenuous activity. 

These distinctions emphasize each breed’s distinct qualities, allowing potential owners to determine which is a better fit for their lifestyle and tastes. When choosing, it’s crucial to consider these factors, as well as the personality of the individual dog when choosing a pet. 

Appearance of Bullmastiff Rottweiler Mix ?

Appearance of bullmastiff Rottweiler mix

The Bullmastiff Rottie mix, also known as the Bull Mastweiler, is a crossbreed that combines characteristics from both parent breeds. These large, athletic dogs have a powerful build and commanding presence, making them loyal, intelligent, and charismatic. They are less aggressive and calmer than standard Mastiffs or purebred Bullmastiffs. They are trainable but may have a stubborn side, requiring consistent training and socialization from a young age. When trained and socialized properly, they can make a great addition to most families, offering loyalty and protection. However, they should be supervised around others unless well-socialized from a young age.

size :

Size of bullmastiff Rottweiler mix

The Bullmastiff Rottie mix, also known as the Bull Mastweiler, is a large dog breed with a height of 24 to 27 inches and a weight of 100 to 120 pounds, making it just short of a giant breed. However, individual dogs may vary in size, and these figures are general estimates.

coat :

The Bullmastiff Rottie mix, also known as the Bull Mastweiler, has a short, dense coat that reflects the characteristics of both parent breeds. It is low maintenance due to its easy brushing and cleaning process. Although not hypoallergenic, it sheds. The coat colors range from gold, black, chocolate, tan, and light or dark brindle. It is crucial for potential owners to consider the grooming needs of a Bull Mastweiler, especially during seasonal changes, as regular brushing helps manage loose fur and maintain the coat’s condition.

temperament :

The Bullmastiff Rottweiler mix, also known as the Bull Mastweiler, is a loyal and protective breed with a strong protective instinct. They are loyal to their families and are intelligent, making them easy to train. They are slightly mellower than purebred Rottweilers, making them suitable for families when properly trained. These family-oriented dogs are ideal for confident owners who understand the breed’s needs. However, due to their size and protective nature, proper training and socialization are necessary to ensure they behave well around others.


The Bullmastiff Rottweiler mix is a crossbreed that combines the strength, loyalty, and protective instincts of both breeds. These large, intelligent, and family-oriented dogs are suitable for experienced owners who can provide leadership and care. Proper training, socialization, and regular exercise are essential for their well-being. With the right environment and understanding owner, a Bull Mastweiler can be a loving and devoted addition to the family.

Leave a comment