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American Pit Bull Terrier vs American Staffordshire Terrier

The two published breed profiles side by side: size, energy, grooming, lifespan, temperament ratings and health.

Compare a different pair

American Pit Bull TerrierAmerican Staffordshire Terrier
Size classMediumMedium
Adult weight13.6 to 27.2 kg18.1 to 31.8 kg
In pounds30 to 60 lb40 to 70 lb
Adult height43 to 53 cm43 to 48 cm
EnergyHighModerate
GroomingLowLow
CoatShort smoothShort smooth
SheddingNot publishedLow
LifespanNot published12 to 16 years
Good with childrenNot publishedFine with supervision
Good with other dogsNot publishedFine with supervision
Country of originUnited StatesUnited States

The main differences

Temperament

American Pit Bull Terrier: The American Pit Bull Terrier is strong, confident and eager to please, and their registry notes they are usually friendly even with strangers. Most show some level of aggression towards other dogs, so careful socialisation and obedience training are part of owning one.

American Staffordshire Terrier: The American Staffordshire Terrier is a stocky, muscular bull and terrier breed that is good natured and confident with their family and highly aware of their surroundings. They are trainable and enjoy mental and physical challenges.

Health worth asking about

Conditions each breed is reported to be predisposed to. Predisposed does not mean inevitable: it means ask the breeder for the parents' test results.

American Pit Bull Terrier

  • Allergies to food, flea bites or pollen and dust mites, which show as itching, skin irritation and hair loss and are managed by finding and avoiding the trigger
  • Hip dysplasia, which shows as hind limb lameness and difficulty rising or jumping, diagnosed on x-ray
  • Cataracts, a clouding of the lens that can progress to blindness, found on eye examination and treatable by surgery
  • Obesity, tracked by regular weighing and body condition scoring, since the breed gains weight easily

The full American Pit Bull Terrier guide

American Staffordshire Terrier

  • Cerebellar ataxia, also called neuronal ceroid lipofuscinosis 4A, which causes a loss of coordination from three to five years of age, detectable by DNA test
  • Hip dysplasia, screened by hip evaluation of breeding stock
  • Cardiac disease, screened by a cardiac exam
  • Thyroid disorders, screened by a thyroid evaluation
  • Skin and coat allergies, diagnosed by a vet once parasites and infection have been ruled out

The full American Staffordshire Terrier guide

Common questions

Which is bigger, the American Pit Bull Terrier or the American Staffordshire Terrier?

The American Staffordshire Terrier. Adults weigh 18.1 to 31.8 kg, against 13.6 to 27.2 kg for the American Pit Bull Terrier, going by the published breed profiles.

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Not veterinary advice. Breed information is general. Your own dog, and your own vet, always win.

Sources

Every figure on this page comes from the two breed guides, which cite: