Bullmastiff vs English Mastiff: Full Breed Comparison (2026)
Deciding between a Bullmastiff and a English Mastiff? Both are remarkable dogs, but they suit very different households. This head-to-head covers temperament, grooming needs, energy levels, and everything else you need to make the right call.
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Quick Verdict
The Bullmastiff is best for: The Gamekeeper’s Night Dog — a fearless guardian that’s devoted and surprisingly gentle at home.
The English Mastiff is best for: One of the heaviest dog breeds on Earth — a massive, dignified, and gentle couch companion.
If you want a more active companion, the Bullmastiff edges ahead. Read on for the full breakdown.
At-a-Glance Comparison Table
| Trait | Bullmastiff | English Mastiff |
|---|---|---|
| Weight | 100–130 lb | 160–230 lb |
| Height | 24–27 in | 27.5–30+ in |
| Lifespan | 7–9 yr | 6–10 yr |
| Energy level | Moderate | Low |
| Shedding | Moderate | Moderate |
| Grooming needs | Low | Low |
| Trainability | Good | Moderate |
| Good with kids | Good (with supervision) | Good |
| Good with dogs | Moderate | Good |
| Apartment-friendly | Poor | Poor |
1. Breed Origins and History
The Bullmastiff traces its lineage to England, where it was developed as the gamekeeper’s night dog — a fearless guardian that’s devoted and surprisingly gentle at home.. The Bullmastiff has deep roots in England. Over centuries, selective breeding honed its distinctive traits — loyal, reserved, brave — making it a recognized favorite around the world.
The English Mastiff has its roots in England. The English Mastiff originated in England. Breeders focused on qualities like dignified, calm, courageous, which remain the hallmarks of the breed today. Understanding where each breed came from helps explain why they behave the way they do.
For a deeper history and care guide, see the Bullmastiff Guide and English Mastiff Guide.
2. Size and Appearance
The Bullmastiff typically weighs 100–130 lb and stands 24–27 in tall. Its coat is short, dense, weather-resistant, which contributes to its iconic look. Larger breeds require more floor space, a bigger vehicle, and often more food costs.
The English Mastiff weighs 160–230 lb and reaches 27.5–30+ in. The coat — short, straight, coarse — is a defining feature. Ample space and regular grooming maintain its best appearance.
If size is a deciding factor in your choice, visit Shop on Chewy to compare size-appropriate beds, crates, and feeding gear.
3. Temperament and Personality
The Bullmastiff is known for being loyal, reserved, brave. This personality profile means it typically adapts well to a variety of household types, from singles to large families. Socialization from an early age helps channel its natural instincts positively.
The English Mastiff brings a dignified, calm, courageous personality to the table. It typically integrates smoothly into multi-pet and multi-person households. Both breeds reward consistent, positive reinforcement training.
When temperaments differ this much, lifestyle fit matters most — consider your daily schedule, home size, and family composition before deciding.
4. Exercise and Activity Needs
Bullmastiff needs approximately 30–45 min/day of physical and mental stimulation. A moderate daily walk and play session keeps this breed happy and healthy.
English Mastiff requires 20–30 min/day. This breed is more laid-back and suits owners with a quieter lifestyle. Mental stimulation — puzzle feeders, training sessions, interactive toys — is just as important as physical exercise for both.
Stock up on exercise gear, puzzle toys, and leashes at Shop on Chewy.
5. Grooming and Coat Care
The Bullmastiff’s Short, dense, weather-resistant is rated Low maintenance. Low-shedding breeds still need regular brushing to prevent matting and maintain skin health. Bathe as needed, roughly every 4–6 weeks.
The English Mastiff’s Short, straight, coarse needs Low attention. Short-coated breeds are among the easiest to maintain — a weekly wipe-down is often enough. Both breeds benefit from regular nail trims, ear checks, and dental care.
Find the right brushes, shampoos, and grooming kits at Shop on Chewy.
6. Health and Lifespan
The Bullmastiff has an average lifespan of 7–9 yr. Common health considerations include issues typical of large and giant breeds such as hip dysplasia, elbow dysplasia, and bloat. Regular vet visits and a quality diet make a significant difference.
The English Mastiff typically lives 6–10 yr. Routine preventive care — annual exams, heartworm prevention, and dental cleanings — keeps most healthy breed members thriving. Pet insurance is worth considering for either breed.
For food, supplements, and vet-recommended products, browse Shop on Chewy.
Which Is Right for You?
Choose the Bullmastiff if:
- You want a loyal companion
- Your household matches its Moderate energy level
- You can handle Low grooming demands
- You have space suitable for a giant-sized dog
Choose the English Mastiff if:
- A dignified personality suits your lifestyle
- Your daily routine fits its Low energy needs
- You prefer Low grooming requirements
- Your living situation is ideal for a giant-sized dog
Still undecided? Read our full Bullmastiff Guide and English Mastiff Guide for deeper dives. You can also shop food, toys, and accessories for either breed at Shop on Chewy.
Frequently Asked Questions
Which is better for first-time dog owners, Bullmastiff or English Mastiff?
The English Mastiff is generally considered more forgiving for first-timers due to its dignified, calm, courageous nature. The Bullmastiff can be equally rewarding but may require more experience, especially around training and energy management.
Are Bullmastiffs good with children?
Bullmastiffs are rated ‘Good (with supervision)’ around children. Early socialization is key with any dog. Always supervise interactions with young kids.
Which sheds less, Bullmastiff or English Mastiff?
The Bullmastiff is a ‘Moderate’ shedder while the English Mastiff is ‘Moderate’. Both require regular brushing to manage loose hair.
Can a Bullmastiff and English Mastiff live together?
Yes, with proper introduction and socialization, a Bullmastiff and English Mastiff can coexist peacefully. The Bullmastiff is rated ‘Moderate’ with other dogs and the English Mastiff is ‘Good’. Neutral-territory introductions work best.
How much does a Bullmastiff puppy cost compared to a English Mastiff?
Reputable breeders typically charge $800–$2,500 for a Bullmastiff puppy and $700–$2,000 for a English Mastiff puppy. Show-quality lines cost more. Rescue adoption is often $50–$500 and includes vaccinations. Budget for supplies at Shop on Chewy.
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