Bullmastiff vs Mastiff
Compare the Bullmastiff to the Mastiff. Use the tool below to compare temperament, size, personality, maintenance requirements, and everything else between Bullmastiffs and Mastiffs.
Quick Summary
- Owner Experience - The Bullmastiff is a good choice for new owners, whereas the Mastiff is not recommended for new/inexperienced owners.
- Children - Both the Bullmastiff and Mastiff are great with children.
- Grooming - Both breeds have low maintenance coats, but the Bullmastiff is easier to groom.
- Barking - The Mastiff has an average tendency to bark. The Bullmastiff will bark less frequently than most dogs.
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| Breed Name | Bullmastiff | Mastiff |
| General Details | ||
| Breed Type | Purebred | Purebred |
| Is Hypoallergenic | No | No |
| Lifespan | 8-10 yrs. | 6-10 yrs. |
| Height | 24-27 in. | 27-32 in. |
| Weight | 110-130 lb | 120-220 lb |
| Intelligence | High | Below Average |
| History | ||
| Origin Country | United Kingdom | China (Tibet) |
| Origin Year | 1860 AD | 700 BC |
| Temperament | ||
| Overall Friendliness | ||
| Family Friendly | ||
| Kid Friendly | ||
| Pet Friendly | ||
| Stranger Friendly | ||
| Personality | ||
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| Living Environment | ||
| Apartment | Yes | Yes |
| Indoor | Yes | Yes |
| Small Yard | No | Yes |
| Medium Yard | No | Yes |
| Large Yard | No | Yes |
| Temperature Tolerance ¹ | 40°F to 80°F | 30°F to 80°F |
| Barks/Howls | ||
| Exercise Needs | ||
| Energy Level | Medium | Medium |
| Exercise Required | Medium | Medium |
| Top Running Speed | 20 mph | 24 mph |
| Strength | Very High | Very High |
| Grooming Needs | ||
| Coat Maintenance | Low | Medium |
| Shedding | Medium | Medium |
| Dander | Medium | Medium |
| Drool Amount | Medium | High |
¹This is estimated min/max temperature range for a healthy adult dog. Dogs that live indoors, puppies, seniors, unwell dogs, and/or dogs with improperly groomed coats may overheat sooner and get cold more quickly.
| Breed Name | Bullmastiff | Mastiff |
| Breed Mentality | ||
| Dominant/Alpha | No | No |
| Family/Pack | Yes | Yes |
| Independent | No | No |
| Breed Focus | ||
| Distracted Easily | No | No |
| Average | No | Yes |
| Focused & Patient | Yes | No |
| Breed Instincts | ||
| Aggression | Average | Below Average |
| Burrow/Digging | Average | Below Average |
| Chasing | Below Average | Below Average |
| Follow Commands | Below Average | Below Average |
| Fighting | Average | Average |
| Guarding | High | Average |
| Herding | Below Average | Below Average |
| Hunting | Average | Below Average |
| Protection | High | High |
| Remove Vermin | Below Average | Very Low |
| Sledding | Below Average | Average |
| Watch | High | Average |
| Breed Name | Bullmastiff | Mastiff |
| Lifespan | ||
| Lifespan | 8-10 yrs. | 6-10 yrs. |
| Common Health Issues | ||
| Bloat | No | Yes |
| Cancer | Yes | Yes |
| Cystinuria | No | Yes |
| Entropion | Yes | No |
| Heart Problems | Yes | No |
| Hemangiosarcoma | Yes | No |
| Hip Dysplasia | No | Yes |
| Hypothyroidism | Yes | No |
| Kidney Issues | Yes | No |
| Lymphosarcoma | Yes | No |
| Osteosarcoma | Yes | No |
| Progressive Retinal Atrophy | Yes | Yes |
| Seizures | No | Yes |
| Breed Name | Bullmastiff | Mastiff |
| Coat | ||
| Fur | Yes | Yes |
| Coat Type | ||
| Smooth Coat | Yes | No |
| Double Coat | No | Yes |
| Coat Texture | ||
| Rough | Yes | No |
| Straight | No | Yes |
| Coat Length(s) | ||
| Short | Yes | Yes |
| Coat Color(s) | ||
| Fawn | Yes | Yes |
| Fawn Brindle | Yes | No |
| Red | Yes | No |
| Red & Fawn | Yes | No |
| Red Brindle | Yes | No |
| Red Fawn Brindle | Yes | No |
| Apricot | No | Yes |
| Brindle | No | Yes |