Bullmastiff vs Yorkshire Terrier

Which dog breed is right for you?

Bullmastiff

Size
100–130 lbs, 24–27 in
Lifespan
7–9 years
Exercise
Moderate
Grooming
Low
Good with Kids
Yes
Good with Pets
No
Loyal Calm Protective Brave

Yorkshire Terrier

Size
4–7 lbs, 7–8 in
Lifespan
11–15 years
Exercise
Moderate
Grooming
High
Good with Kids
No
Good with Pets
Yes
Bold Confident Spirited Affectionate

About the Bullmastiff

The Bullmastiff was developed in 19th-century England by crossing Bulldogs with Mastiffs — the goal was a powerful, silent guardian capable of tracking and pinning poachers on large estates without mauling them. Standing 24–27 inches tall and weighing 100–130 pounds, the Bullmastiff is a massive, muscular dog with a broad head, dark muzzle, and an imposing physical presence. Their short, dense coat comes in fawn, red, or brindle — always with a black mask — and sheds moderately with minimal grooming requirements.

Temperament & Personality

Bullmastiffs are confident, loyal, and naturally protective — they are alert guardians who rely on their size and intimidating presence rather than excessive barking to deter intruders. Despite their imposing appearance, they are gentle and affectionate with their families, showing particular patience and tenderness with children. They are typically calm and quiet indoors, content to lie at their owner's feet, but they can be territorial with unfamiliar dogs and require early, consistent socialization.

Pros

  • Naturally protective — their imposing presence alone is an effective deterrent
  • Surprisingly low-energy indoors, adapting well to a calm household routine
  • Gentle and affectionate with family members, including children
  • Minimal grooming needs with their short, easy-care coat

Cons

  • Short lifespan averaging only 7–9 years
  • Prone to bloat, hip and elbow dysplasia, lymphoma, and mast cell tumors
  • Significant drooling, especially around mealtimes and in warm weather
  • Their sheer size and strength require an experienced owner capable of managing 100+ pounds of dog

A Bullmastiff offers protection and companionship in equal measure — explore adoptable Bullmastiffs on Puplister and find your gentle giant.

About the Yorkshire Terrier

The Yorkshire Terrier was developed in the mid-19th century in the English counties of Yorkshire and Lancashire by working-class weavers who bred small terriers to catch rats in textile mills and coal mines. Despite their current status as a glamorous toy breed, these feisty dogs retain every bit of their terrier courage in a tiny 7-pound, 7-to-8-inch frame. Their signature floor-length, silky coat is steel blue on the body and rich golden tan on the head and legs — a single-layer coat that grows continuously and is remarkably similar to human hair in texture.

Temperament & Personality

Yorkshire Terriers are bold, confident, and fiercely loyal — they carry themselves with a self-importance that far exceeds their diminutive stature, never hesitating to challenge dogs ten times their size. They are deeply attached to their owners and can be wonderful companions for adults and older children, though their small size and feisty temperament make them a poor fit for rough play with toddlers. Yorkies are intelligent, curious, and entertaining, bringing big-dog energy and attitude to the smallest package in the terrier world.

Pros

  • Minimal shedding — silky coat is more similar to hair than fur
  • Tiny size ideal for apartments, travel, and urban living
  • Bold watchdog temperament — always alert to unusual activity
  • Long lifespan of 11 to 15 years with proper care

Cons

  • Fragile — easily injured by falls, being sat on, or rough handling
  • Long coat demands daily brushing or regular professional grooming
  • Prone to tracheal collapse, patellar luxation, portosystemic shunt, and dental disease
  • Can be difficult to housetrain and may develop snappish behavior if overindulged

Yorkshire Terriers prove that the best things truly come in small packages — find your Yorkie on Puplister.

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Frequently Asked Questions

What is the difference between a Bullmastiff and a Yorkshire Terrier?
The Bullmastiff is 100–130 lbs, 24–27 in sized while the Yorkshire Terrier is 4–7 lbs, 7–8 in sized. They differ in size (100–130 lbs, 24–27 in vs 4–7 lbs, 7–8 in), lifespan (7–9 years vs 11–15 years), and care requirements.
Which breed is better with kids, Bullmastiff or Yorkshire Terrier?
Bullmastiff is generally good with kids. Yorkshire Terrier is not typically good with kids.
Which breed lives longer, Bullmastiff or Yorkshire Terrier?
The Bullmastiff has a lifespan of 7–9 years while the Yorkshire Terrier has a lifespan of 11–15 years.

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