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Old English Sheepdog vs Rat Terrier

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

Old English Sheepdog vs Rat Terrier

People compare Old English Sheepdogs and Rat Terriers because both are loyal, family-friendly dogs with big personalities, but that’s where the similarities end. You’re not just choosing between big and small, you’re picking two entirely different lifestyles wrapped in fur. The Old English Sheepdog is that lovable, shaggy gentle giant you see at dog parks, ambling along like a bear in a wool coat. At 60 to 100 pounds, he’s built for cool climates and wide open spaces, originally herding sheep across English pastures. He’s patient with kids, thrives on companionship, and needs daily exercise and serious grooming. think weekly brushing sessions and regular trims. His 10- to 12-year lifespan means a shorter commitment than the sprightly Rat Terrier, who often lives into his teens. That Rat Terrier? He’s the pocket-sized dynamo, weighing just 10 to 25 pounds, with a mind that never shuts off. Bred to hunt rats on American farms, he’s sharp, bold, and always alert. He’s just as good with kids and adapts to apartments, but don’t be fooled by his size. he needs mental challenges and a securely fenced yard. Left bored, he’ll dig, bark, or chew his way into trouble. If you’re active but want a calm, affectionate presence, the Old English might be your match. assuming you don’t mind brushing out a small carpet every week. But if you want a clever, low-maintenance coat and a dog who’s always up for a game or a puzzle toy, the Rat Terrier will keep you on your toes. Here’s the real talk: the Old English looks like a teddy bear but acts like a working dog. And the Rat Terrier? He’s not just a “little dog”. he’s a terrier with opinions. Pick based on energy, not size, and you’ll end up with the right kind of chaos.

Old English Sheepdog
Rat Terrier
21–22 in
Height
10–18 in
60–100 lb
Weight
10–25 lb
10–12 yr
Lifespan
12–18 yr
$1.5–4.0k
Puppy price
$0.8–2.5k
#72
AKC popularity
#86

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.
Old English Sheepdog Rat Terrier
Overlay

Where they diverge

Coat Grooming
Rat Terrier needs less grooming (2-point difference)
Rat
Drooling Level
Rat Terrier drools less (2-point difference)
Rat
Good with Strangers
Rat Terrier is friendlier with strangers (2-point difference)
Rat
Playfulness
Rat Terrier is more playful (1-point difference)
Rat
Trainability
Rat Terrier is easier to train (1-point difference)
Rat
The verdict

Choose the Old English Sheepdog if…

  • Families with children
  • Active owners
  • Those wanting a gentle, fun companion
  • You value coat groomingOld English Sheepdog scores noticeably higher.

Choose the Rat Terrier if…

  • Active families
  • First-time dog owners
  • Apartment or small home living
  • You value good with strangersRat Terrier scores higher here.
Old English Sheepdog Owner’s Guide
Everything you need before bringing your Old English Sheepdog 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
Rat Terrier Owner’s Guide
Everything you need before bringing your Rat 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

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