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Glen of Imaal Terrier 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

Glen of Imaal Terrier vs Sussex Spaniel

People don’t usually pit a terrier against a spaniel, but the Glen of Imaal Terrier and Sussex Spaniel get compared because they’re both low-slung, sturdy, and built for tough terrain. They look kind of similar at a glance. stocky, short legs, serious little faces. but that’s where the twin act ends. If you’re torn between them, you’re really choosing between quiet intensity and quiet charm. The Glen is a terrier through and through. He’s bold, a bit stubborn, and happiest when he’s got a job like digging or patrolling the yard. He won’t bark much, but he will dig a hole to China if left alone too long. He bonds fiercely with his family and can be gentle with older kids, but his prey drive means he’s not safe with cats or hamsters. Training takes patience. he’s not defiant, just thoughtful in his own way. The Sussex, on the other hand, is a mellow spaniel with a golden heart. He’s not going to race across the field like a springer, but he’ll plod happily through brush all day, tail wagging, ears flopping. He’s more agreeable than the Glen, easier to train, and actually enjoys a good grooming session. though those long ears need weekly checks. He’s quieter in spirit but not silent; expect a bark when something catches his attention. The real difference? The Glen is a thinker with a side of mischief. The Sussex is a softie with stamina. If you want a dog that keeps you on your toes and doesn’t care what you think, go Glen. If you want a loyal, steady companion who loves wet woods and cozy couches equally, pick the Sussex. Here’s the thing no one says: both dogs are rare, but the Sussex is slower, both in movement and in finding homes. That calmness some describe as “merry” can read as sluggish to the uninitiated. But if you’re not in a hurry. and you like a dog that walks at life’s pace, not yours. he’s a treasure.

Glen of Imaal Terrier
Sussex Spaniel
12.5–14 in
Height
13–15 in
32–40 lb
Weight
35–45 lb
10–15 yr
Lifespan
13–15 yr
$1.5–3.5k
Puppy price
$1.5–3.5k
#174
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.
Glen of Imaal Terrier Sussex Spaniel
Overlay

Where they diverge

Shedding Level
Glen of Imaal Terrier sheds less (1-point difference)
Glen
Drooling Level
Glen of Imaal Terrier drools less (1-point difference)
Glen
Playfulness
Sussex Spaniel is more playful (1-point difference)
Sussex
Trainability
Sussex Spaniel is easier to train (1-point difference)
Sussex
Barking Level
Glen of Imaal Terrier barks less (1-point difference)
Glen
The verdict

Choose the Glen of Imaal Terrier if…

  • Experienced terrier owners
  • Families with older children
  • Apartment or small home living

Choose the Sussex Spaniel if…

  • Moderately active owners
  • Hunters in dense cover
  • Families with children
  • You value shedding levelSussex Spaniel 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
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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