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Glen of Imaal Terrier vs Shih Tzu

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

Glen of Imaal Terrier vs Shih Tzu

People compare Glens and Shih Tzus because they’re both small, affectionate dogs that fit into apartments and love their people. But that’s where the similarities end. Think of it this way: one was bred to crawl into a hillside after badgers, the other to nap on a silk pillow in a palace. That history shapes everything. The Glen of Imaal Terrier is a stocky, low-slung powerhouse with a wiry coat and quiet bark. Don’t be fooled by the calm demeanor. he’s got terrier grit under that soft exterior. He’s not hyper, but he needs a job, even if it’s just digging in a designated yard spot or mastering a puzzle toy. He’s great with older kids who know how to respect a dog, but you’ll want to think twice about cats or hamsters. Grooming is minimal, but training takes patience. He’s not stubborn on purpose. he just thinks for himself. The Shih Tzu? He’s the ultimate companion. Outgoing, sweet, and built for cuddling, he thrives in a senior’s lap or a family with gentle kids. He’s easier to train than the Glen, though housebreaking can be a battle. But that gorgeous coat? It’s high-maintenance. Daily brushing, regular trims, and yes, you’ll be doing it or paying someone to. And while he’s adaptable, that flat face means he can’t handle heat or heavy exercise. Here’s the real talk: if you want a dog that feels like a loyal little knight, the Glen’s your guy. If you want a living teddy bear who’s always down for snuggles, go Shih Tzu. But don’t get a Shih Tzu expecting toughness, and don’t get a Glen expecting constant lap time. They’re both deeply affectionate, but in completely different dialects.

Glen of Imaal Terrier
Shih Tzu
12.5–14 in
Height
9–10.5 in
32–40 lb
Weight
9–16 lb
10–15 yr
Lifespan
10–18 yr
$1.5–3.5k
Puppy price
$1.2–3.5k
#174
AKC popularity
#20

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.
Glen of Imaal Terrier Shih Tzu
Overlay

Where they diverge

Good with Young Children
Shih Tzu is better with kids (2-point difference)
Shih
Good with Other Dogs
Shih Tzu is better with other dogs (2-point difference)
Shih
Shedding Level
Shih Tzu sheds less (1-point difference)
Shih
Coat Grooming
Glen of Imaal Terrier needs less grooming (1-point difference)
Glen
Drooling Level
Shih Tzu drools less (1-point difference)
Shih
The verdict

Choose the Glen of Imaal Terrier if…

  • Experienced terrier owners
  • Families with older children
  • Apartment or small home living
  • You value shedding levelGlen of Imaal Terrier scores noticeably higher.

Choose the Shih Tzu if…

  • Apartment living
  • Seniors
  • Families with gentle children
  • You value good with young childrenShih Tzu scores higher here.
Glen of Imaal Terrier Owner’s Guide
Everything you need before bringing your Glen of Imaal 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
Shih Tzu Owner’s Guide
Everything you need before bringing your Shih Tzu 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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