PuppyBase

American Staffordshire Terrier vs Newfoundland

Side-by-side comparison across all 14 AKC trait ratings, with a clear verdict on which breed fits which kind of household.

Perfect Puppy Quiz · 5 questions · 90 seconds

Not sure which breed fits your life?

Answer five questions about your home, your schedule, and your tolerance for shedding. We’ll match you to your top three breeds from over 200.

The bottom line

American Staffordshire Terrier vs Newfoundland

People don’t usually pit a compact, muscular terrier against a gentle giant like the Newfoundland. on paper, they’re nothing alike. But both show up in searches when families want a loyal, affectionate dog that’s good with kids and packs serious love. That’s where the similarity ends. Choosing between an American Staffordshire Terrier and a Newfoundland isn’t just about size. It’s about lifestyle, space, and how you handle attention. both from your dog and from strangers. The AmStaff is a middleweight with outsized confidence. At 40 to 70 pounds, it’s agile, alert, and thrives on routine exercise and mental challenges. You’ll need time for walks, training, and socialization. especially if you live in a place with breed-specific legislation. They’re deeply affectionate, but their enthusiasm can be much for small kids. Think of them as high-commitment companions: loyal to a fault, but needing an owner who speaks dog fluently. The Newfoundland, meanwhile, is a 150-pound teddy bear who swims like a seal and drools on your laptop without apology. Bred to haul nets and rescue fishermen, they’re calm, patient, and naturally intuitive around children. But they demand space. inside and out. Their thick coat sheds heavily twice a year, and they’re prone to bloat, so feeding and monitoring matter. They’re not lazy, but their energy is steady, not sparky. Here’s the real talk: the AmStaff will challenge you socially. The Newfoundland will challenge you logistically. If you’re in an apartment or can’t manage a 120-pound dog on a leash, skip the Newfie. If you want a dog that turns heads (not always kindly) and need toughness wrapped in love, the AmStaff could be your match. But if you’ve got room, resources, and kids who need a guardian, the Newfoundland’s quiet devotion is unmatched. Just keep towels handy.

American Staffordshire Terrier
Newfoundland
17–19 in
Height
26–28 in
40–70 lb
Weight
100–150 lb
12–16 yr
Lifespan
9–10 yr
$1.5–3.0k
Puppy price
$2.5–5.0k
#85
AKC popularity
#40

Trait-by-trait

Higher bar = more of that trait. Shedding, barking, drooling, grooming flipped for readability.
Affectionate w/ Family
Good with Young Children
Good with Other Dogs
Shedding Level
Coat Grooming
Drooling Level
Good with Strangers
Playfulness
Watchdog / Protective
Adaptability
Trainability
Energy Level
Barking Level
Mental Stimulation Needs
AffectionGood w/ KidsGood w/ DogsShedding LevelGroomingDrooling LevelGood w/ StrangersPlayfulnessProtectiveAdaptabilityTrainabilityEnergy LevelBarking LevelMental Stim.
American Staffordshire Terrier Newfoundland
Overlay

Where they diverge

Drooling Level
American Staffordshire Terrier drools less (4-point difference)
American
Good with Young Children
Newfoundland is better with kids (2-point difference)
Newfoundland
Good with Other Dogs
Newfoundland is better with other dogs (2-point difference)
Newfoundland
Barking Level
Newfoundland barks less (2-point difference)
Newfoundland
Shedding Level
American Staffordshire Terrier sheds less (1-point difference)
American
The verdict

Choose the American Staffordshire Terrier if…

  • Active people
  • Experienced owners
  • Families with older children
  • You value barking levelAmerican Staffordshire Terrier scores noticeably higher.

Choose the Newfoundland if…

  • Families with children
  • Water and outdoor enthusiasts
  • Those wanting a gentle giant
  • You value drooling levelNewfoundland scores higher here.
American Staffordshire Terrier Owner’s Guide
Everything you need before bringing your American Staffordshire Terrier home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide
Newfoundland Owner’s Guide
Everything you need before bringing your Newfoundland home.
Breed variants, breeder red flags, and what to ask
First-week checklist and daily schedules by age
Training timeline from 8 weeks to adulthood
Health screenings, emergency card, and feeding portions
Grooming schedule, first-year costs, and what nobody tells you
Get Your Guide

Other comparisons people run