American Staffordshire Terrier vs Boston Terrier

Which dog breed is right for you?

American Staffordshire Terrier

Size
40–70 lbs, 17–19 in
Lifespan
12–16 years
Exercise
High
Grooming
Low
Good with Kids
Yes
Good with Pets
No
Loyal Courageous Good-natured Smart

Boston Terrier

Size
12–25 lbs, 15–17 in
Lifespan
11–13 years
Exercise
Moderate
Grooming
Low
Good with Kids
Yes
Good with Pets
Yes
Friendly Bright Amusing Adaptable

About the American Staffordshire Terrier

The American Staffordshire Terrier — often called the AmStaff — was developed in the United States from crosses between Bulldogs and Terriers, earning AKC recognition in 1936. They stand 17–19 inches at the shoulder and weigh 40–70 pounds, presenting a stocky, muscular build that radiates power and confidence. Their short, stiff coat comes in a wide variety of colors and patterns, including blue, fawn, brindle, and black, and requires only minimal grooming.

Temperament & Personality

AmStaffs are known for their courage, intelligence, and unwavering loyalty to their families — they are genuinely affectionate dogs who love being at the center of household activities. They are typically excellent with children and are known for their patience and tolerance with youngsters. Proper socialization from puppyhood is critical, as they can be assertive with other dogs, and their strength demands a handler who can provide calm, confident leadership.

Pros

  • Incredibly loyal and protective of their family without being overly aggressive
  • Smart and highly trainable — they excel in obedience, rally, and therapy work
  • Short coat makes grooming a breeze
  • Sturdy and athletic, perfect for active families who enjoy outdoor activities

Cons

  • May face breed-specific legislation and insurance restrictions
  • Requires early and ongoing socialization with other dogs and animals
  • Prone to hip dysplasia, cardiac disease, and skin allergies
  • Their strong jaws and determination mean they can destroy toys and furniture quickly

AmStaffs make incredible family companions when given the right home — search for adoptable American Staffordshire Terriers on Puplister.

About the Boston Terrier

The Boston Terrier — affectionately known as the "American Gentleman" — was developed in Boston, Massachusetts, in the late 1800s from crosses between English Bulldogs and white English Terriers. Standing 15–17 inches tall and weighing 12–25 pounds, they come in three weight classes and sport a compact, well-proportioned build with a distinctive tuxedo-like coat pattern. Their short, smooth coat appears in black-and-white, brindle-and-white, or seal-and-white — always with the characteristic white blaze, muzzle band, and chest marking.

Temperament & Personality

Boston Terriers are lively, intelligent, and brimming with personality — they have a wonderful sense of humor and seem to know exactly how to make their owners laugh. They are exceptionally friendly with people of all ages, including children and seniors, and typically get along well with other dogs and cats. Their moderate energy level and adaptable nature make them equally happy on a brisk walk or curled up on the couch.

Pros

  • Perfect apartment dog — compact size, moderate exercise needs, and minimal barking
  • Friendly and sociable with virtually everyone, including strangers and other pets
  • Low-maintenance coat requiring only occasional brushing
  • Highly adaptable temperament that suits first-time owners and experienced dog people alike

Cons

  • Brachycephalic (flat-faced) structure causes breathing difficulties, snoring, and heat intolerance
  • Prone to eye injuries and conditions like cataracts, cherry eye, and corneal ulcers
  • Can be stubborn about housetraining despite their intelligence
  • Susceptible to patellar luxation and spinal issues due to their compact build

Boston Terriers are the perfect blend of charm and companionship — find adoptable Boston Terriers on Puplister now.

Available for Adoption

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Frequently Asked Questions

What is the difference between a American Staffordshire Terrier and a Boston Terrier?
The American Staffordshire Terrier is 40–70 lbs, 17–19 in sized while the Boston Terrier is 12–25 lbs, 15–17 in sized. They differ in size (40–70 lbs, 17–19 in vs 12–25 lbs, 15–17 in), lifespan (12–16 years vs 11–13 years), and care requirements.
Which breed is better with kids, American Staffordshire Terrier or Boston Terrier?
American Staffordshire Terrier is generally good with kids. Boston Terrier is generally good with kids.
Which breed lives longer, American Staffordshire Terrier or Boston Terrier?
The American Staffordshire Terrier has a lifespan of 12–16 years while the Boston Terrier has a lifespan of 11–13 years.

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