Side by side
Put a few breeds side by side before you make up your mind.
Pick up to four. The URL updates as you go, so you can send this comparison to whoever you are arguing with.
| Breed | American Bully | Bullmastiff |
|---|---|---|
| Origin | Developed in the United States between 1980 and 1990, the American Bully was created as a companion-focused alternative to other bully breeds. It was established by crossing the [American Staffordshire Terrier](american-staffordshire-terrier) and the [Staffordshire Bull Terrier](staffordshire-bull-terrier), with later influences from the [Bulldog](bulldog) and Olde English Bulldogge to refine the stocky, muscular build and stable temperament. | England |
| Group | Utility | Working |
| Size | Medium | Large |
| Coat | Short, smooth, glossy and close-lying coat in various colours and patterns | Short, dense coat in fawn, red or brindle with a black mask |
| Weight | 15 to 55 kg | 41 to 59 kg |
| Height | 33 to 57 cm | 61 to 68 cm |
| Lifespan | 10 to 13 yrs | 7 to 9 yrs |
| Exercise need | 6/10 | 5/10 |
| Affection | 9/10 | 8/10 |
| Grooming needs | 3/10 | 3/10 |
| Barking | 4/10 | 3/10 |
| Good with children | 8/10 | 8/10 |
| Good with other dogs | 5/10 | 5/10 |
| Trainability | 7/10 | 6/10 |
| Prey drive | 4/10 | 4/10 |
| Copes alone | 4/10 | 6/10 |
| Drool | 4/10 | 7/10 |
| Shedding | 3/10 | 5/10 |
| Flat fit | 6/10 | 4/10 |
| Running cost | €185 / month | €128 / month |
American Bully verdict
The misunderstood companion: a people-loving heart behind a powerful, athletic frame.
Get one if
- · Experienced owners who can provide confident, positive leadership
- · Families with children who can commit to early socialisation
- · Active households looking for a loyal, 'velcro' companion
Think again if
- · First-time owners unprepared for the strength and social needs of bully breeds
- · Households where the dog would be left alone for most of the day
- · Regions with strict breed-specific legislation or insurance restrictions
Bullmastiff verdict
A calm, powerful English guardian bred to track and hold poachers silently, now a devoted and protective family dog.
Get one if
- · Confident owners able to train and socialise from puppyhood
- · Families wanting a calm, loyal guardian with a garden
- · Owners who prefer a dog that rarely barks without reason
Think again if
- · First time owners unwilling to put in early training effort
- · Households in small flats without easy outdoor access
- · People wanting an openly friendly dog with every stranger and dog


