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Great Dane vs Portuguese Water Dog

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

Great Dane vs Portuguese Water Dog

You’re not really comparing a Great Dane to a Portuguese Water Dog because of size or energy. You’re comparing a velvet-covered Mack truck to a wet-suit-clad athlete. People lump them together because both are working breeds with big personalities and family-friendly hearts, but that’s where the similarity ends. The Great Dane is the gentle giant who thinks he’s a lap dog. At 150 pounds, he’ll knock over your coffee table just turning in a circle, but he’ll do it with soulful eyes and zero malice. He’s calm indoors, deeply affectionate, and surprisingly adaptable to suburban life. if you’ve got the space and budget for his massive food bills and shorter lifespan. He’s not high-energy, but he needs consistency, structure, and vigilant health monitoring. Bloat is no joke with a chest this deep. The Portuguese Water Dog? He’s the Energizer Bunny in a hypoallergenic coat. Bred to work in Atlantic swells, he lives for action, water, and mental challenges. He bonds fiercely, thrives with kids, and adapts well to city or country. but he will outlast your stamina. Grooming isn’t optional; it’s weekly. And don’t expect quiet evenings. This dog wants to do something. Here’s the truth beyond the stats: the Dane is a deep, quiet love story. The PWD is an ongoing adventure. Pick the Dane if you want a serene, loyal presence and can handle the heartbreak of a shorter life. Pick the PWD if your family moves fast, plays hard, and never minds a muddy dog barreling through the back door. One is a king on a throne. The other’s a pirate with a job to do. Choose your crew.

Great Dane
Portuguese Water Dog
28–32 in
Height
17–23 in
110–175 lb
Weight
35–60 lb
7–10 yr
Lifespan
11–13 yr
$1.5–4.0k
Puppy price
$2.5–5.0k
#16
AKC popularity
#50

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.
Great Dane Portuguese Water Dog
Overlay

Where they diverge

Coat Grooming
Great Dane needs less grooming (3-point difference)
Great
Good with Young Children
Portuguese Water Dog is better with kids (2-point difference)
Portuguese
Drooling Level
Portuguese Water Dog drools less (2-point difference)
Portuguese
Trainability
Portuguese Water Dog is easier to train (2-point difference)
Portuguese
Good with Other Dogs
Portuguese Water Dog is better with other dogs (1-point difference)
Portuguese
The verdict

Choose the Great Dane if…

  • Families with enough space
  • Gentle companion seekers
  • Those wanting a loyal calm dog
  • You value drooling levelGreat Dane scores noticeably higher.

Choose the Portuguese Water Dog if…

  • Allergy sufferers
  • Active families
  • Water and outdoor enthusiasts
  • You value coat groomingPortuguese Water Dog scores higher here.
Great Dane Owner’s Guide
Everything you need before bringing your Great Dane 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
Portuguese Water Dog Owner’s Guide
Everything you need before bringing your Portuguese Water Dog 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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