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Newfoundland vs Sussex Spaniel

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

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The bottom line

Newfoundland vs Sussex Spaniel

People don’t usually pit a gentle giant like the Newfoundland against a low-slung, golden-coated Sussex Spaniel. But if you’re torn between a family dog that’s steady with kids and good around water, and something smaller with hunting roots but a calm soul, you might find yourself comparing these two. Both are affectionate, moderately energetic, and shed enough to keep your vacuum busy. On paper, they even share similar trainability and adaptability. But in real life, they’re worlds apart. The Newfoundland is a soft-hearted colossus. At over 100 pounds, this dog needs space and cool weather. You’ll love their quiet devotion and the way they’ll pull a child out of a pool before you’ve even reacted. But you’ll also be wiping drool off your furniture and managing a serious grooming routine. They’re deeply loyal but can be slow to train, and their lifespan is short. 9 to 10 years is a hard pill to swallow when you’ve grown so attached. The Sussex Spaniel, by contrast, is compact, sturdy, and built for slow, deliberate work in thick brush. They’re cheerful and friendly, with a distinctive “melting” expression and a bark that’s more frequent than you’d expect. Great for a home with a yard and a hunter who wants a dog that bonds deeply. But their back is long and low, making them prone to disc issues, and those floppy ears need constant checking. Here’s the real insight: the Newfoundland isn’t just a dog, it’s a lifestyle commitment to a short-lived giant. The Sussex Spaniel is a rare, deliberate choice. a dog for someone who values quiet determination over flash. Pick the Newf if you want a nurturing, calm guardian who thrives in cold, active homes. Pick the Sussex if you want a resilient, affectionate partner with old-school grit, and don’t mind the vet visits that come with that unique build.

Newfoundland
Sussex Spaniel
26–28 in
Height
13–15 in
100–150 lb
Weight
35–45 lb
9–10 yr
Lifespan
13–15 yr
$2.5–5.0k
Puppy price
$1.5–3.5k
#40
AKC popularity
#180

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.
Newfoundland Sussex Spaniel
Overlay

Where they diverge

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
Drooling Level
Sussex Spaniel drools less (2-point difference)
Sussex
Good with Strangers
Newfoundland is friendlier with strangers (2-point difference)
Newfoundland
Watchdog / Protective
Newfoundland is more protective (2-point difference)
Newfoundland
The verdict

Choose the Newfoundland if…

  • Families with children
  • Water and outdoor enthusiasts
  • Those wanting a gentle giant
  • You value good with young childrenNewfoundland scores noticeably higher.

Choose the Sussex Spaniel if…

  • Moderately active owners
  • Hunters in dense cover
  • Families with children
  • You value barking levelSussex Spaniel scores higher here.
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
Sussex Spaniel Owner’s Guide
Everything you need before bringing your Sussex Spaniel 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

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