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Bullmastiff vs Scottish 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

Bullmastiff vs Scottish Terrier

You’d never guess people pit Bullmastiffs against Scottish Terriers unless you’ve seen both at a dog park and noticed the same question in everyone’s eyes: how do you choose between a gentle giant and a feisty little statue in fur? They’re compared not because they’re alike. they’re not. but because both carry a certain old-school charm, like they stepped out of a black-and-white movie. One’s built like a draft horse with loyalty baked in, the other like a weathered boulder with a motor inside. The Bullmastiff is your home’s quiet sentinel. At over 100 pounds, he’s not hiding in bushes, but he doesn’t need to. His presence alone says this property is watched. He’s surprisingly soft with family, especially older kids who know not to pull ears, but his size alone makes him a no-go for tiny apartments or clumsy households. He needs space, structure, and someone who understands that a dog this big with this much quiet dignity won’t forgive training shortcuts. Then there’s the Scottie. Low to the ground, high on attitude. He’s the dog who side-eyes the vacuum and barks at squirrels like they’ve wronged him personally. He bonds fiercely with one or two people, thrives in a condo or city row house, and will trot through life like he owns the sidewalk. But don’t expect a golden retriever’s eagerness. He’ll learn your routines, yes, but on his terms. Here’s the real talk: the Bullmastiff isn’t just a guard dog. he’s a commitment to managing a large, aging breed with expensive health risks. The Scottie? He looks tough, but he’s prone to niche health issues that can sneak up fast. Both are stubborn in their own way. Pick the Bullmastiff if you want a calm, protective shadow. Pick the Scottie if you want a quirky, loyal companion who fits in a car and still acts like he runs the block.

Bullmastiff
Scottish Terrier
24–27 in
Height
9.5–10 in
100–130 lb
Weight
18–22 lb
7–9 yr
Lifespan
12–12 yr
$1.5–3.5k
Puppy price
$1.5–3.5k
#51
AKC popularity
#57

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.
Bullmastiff Scottish Terrier
Overlay

Where they diverge

Barking Level
Bullmastiff barks less (3-point difference)
Bullmastiff
Coat Grooming
Bullmastiff needs less grooming (2-point difference)
Bullmastiff
Affectionate w/ Family
Scottish Terrier is more affectionate (1-point difference)
Scottish
Good with Other Dogs
Bullmastiff is better with other dogs (1-point difference)
Bullmastiff
Shedding Level
Scottish Terrier sheds less (1-point difference)
Scottish
The verdict

Choose the Bullmastiff if…

  • Experienced dog owners
  • Families with older children
  • Homeowners with fenced yards
  • You value good with other dogsBullmastiff scores noticeably higher.

Choose the Scottish Terrier if…

  • Apartment living
  • Independent owners
  • Those wanting a distinctive, classic breed
  • You value barking levelScottish Terrier scores higher here.
Bullmastiff Owner’s Guide
Everything you need before bringing your Bullmastiff 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
Scottish Terrier Owner’s Guide
Everything you need before bringing your Scottish 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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