Bullmastiff vs Manchester Terrier

Working · Large vs Terrier · Small

Quick take
  • Bullmastiff is the larger breed at 110–130 lbs (males) vs 12–22 lbs for the Manchester Terrier.
  • The Manchester Terrier typically lives longer (15–17 years).
  • The Manchester Terrier has higher daily energy needs.

Side-by-side traits

TraitBullmastiffManchester Terrier
Group
WorkingTerrier
Size
LargeSmall
Origin
EnglandEngland
Height (male)
25–27"15–16"
Height (female)
24–26"15–16"
Weight (male)
110–130 lbs12–22 lbs
Weight (female)
100–120 lbs12–22 lbs
Lifespan
Average expected lifespan.
7–9 years15–17 years
Energy level
Daily activity needs.
Moderate (3/5)High (4/5)
Trainability
How quickly the breed learns commands.
High (4/5)High (4/5)
Intelligence
Problem-solving ability.
High (4/5)High (4/5)
Exercise needs
Daily physical activity required.
Moderate (3/5)Moderate (3/5)
Shedding
Lower = less hair around your home.
Low (2/5)Low (2/5)
Grooming effort
Brushing, bathing, professional grooming.
Very Low (1/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Very High (5/5)Very Low (1/5)
Barking
How vocal the breed is.
Low (2/5)High (4/5)
Good with kids
High (4/5)High (4/5)
Good with other dogs
Moderate (3/5)Moderate (3/5)
Good with strangers
Moderate (3/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
Very High (5/5)Moderate (3/5)
Adaptability
Apartment / new environment tolerance.
Moderate (3/5)High (4/5)
Coat length
shortshort
Hypoallergenic
Lower-shedding, less dander.
NoNo
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About the Bullmastiff

The Bullmastiff is an affectionate, loyal, brave gamekeeper's night dog — Mastiff-Bulldog cross bred to subdue poachers. Originally from England, this large working breed typically weighs 110–130 lbs and lives 7–9 years. Breeders describe them as affectionate, loyal, brave.

About the Manchester Terrier

The Manchester Terrier is a keen, devoted, observant English ratter — sleek black-and-tan terrier, gentleman's rat-pit champion. Originally from England, this small terrier breed typically weighs 12–22 lbs and lives 15–17 years. Breeders describe them as keen, devoted, observant.

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Bullmastiff health

Common health concerns reported in this breed:

  • Hip dysplasia
  • Bloat
  • Cancer
  • Heart problems

Manchester Terrier health

Common health concerns reported in this breed:

  • Von Willebrand's disease
  • Heart problems
  • Eye disorders