DogMatchUp

Bullmastiff vs Leonberger

Comprehensive comparison of two popular breeds to help you decide which one might be the better fit for your lifestyle and preferences.

Bullmastiff
Large

Bullmastiff

Working Group

Leonberger
Large

Leonberger

Working Group

Quick Comparison

Size

Bullmastiff Large
Leonberger Large

Lifespan

Bullmastiff 7-9 years
Leonberger 9-9 years

Exercise Needs

Bullmastiff 4/5
Leonberger 3/5

Grooming Needs

Bullmastiff 2/5
Leonberger 5/5

Breed Overview

Bullmastiff Overview

Powerful and majestic, Bullmastiffs showcase a muscular build with a distinctive broad head and dark muzzle. Their short fawn, red, or brindle coat complements their imposing yet gentle demeanor. Standing up to 27 inches at the shoulder with males weighing up to 130 pounds, these dogs combine strength with surprising agility. Their watchful expression and noble bearing reflect their heritage as guardian breeds.

Origin: Unknown
Life Expectancy: 7-9 years
Size: Large
Temperament: Affectionate, Loyal, Brave

Leonberger Overview

Majestic and powerful, Leonbergers combine impressive strength with gentle grace. Their distinctive lion-like mane frames a noble face with dark brown eyes expressing warmth and intelligence. Standing up to 31.5 inches at the shoulder with a muscular build, these gentle giants showcase a water-resistant double coat in shades of golden to reddish brown, often with a black mask enhancing their expressive features.

Origin: Unknown
Life Expectancy: 9-9 years
Size: Large
Temperament: Friendly, Gentle, Playful

Key Differences

  • Energy Level: Bullmastiffs are more energetic than Leonbergers, requiring more daily exercise.
  • Grooming: Bullmastiffs require less grooming attention compared to Leonbergers.
  • Temperament: While both breeds are intelligent, Bullmastiffs tend to be more reserved with strangers than Leonbergers.
  • Trainability: Bullmastiffs may be slightly easier to train due to their Bullmastiff's higher intelligence ranking.
  • Living Situation: Leonbergers adapt better to apartment living, while Bullmastiffs typically prefer homes with more space.

Detailed Comparison

Below is a comprehensive side-by-side comparison of the Bullmastiff and Leonberger, covering everything from physical characteristics to care requirements.

Basic Information

Feature Bullmastiff Leonberger
Size Large Large
Life Expectancy 7-9 years 9-9 years
Country of Origin Unknown Unknown
Breed Group Working Group Working Group

Physical Characteristics

Feature Bullmastiff Leonberger
Height
24-27 inches
61-69 cm
25-32 inches
65-80 cm
Weight
100-130 lbs
45-59 kg
90-170 lbs
41-77 kg
Coat Type Short, dense coat Short, dense coat
Coat Length Short Short
Shedding Seasonal Regularly

Temperament & Behavior

Feature Bullmastiff Leonberger
Temperament Affectionate, Loyal, Brave Friendly, Gentle, Playful
Energy Level
4/5
3/5
Intelligence
2/5
1/5

Compatibility

Feature Bullmastiff Leonberger
Good with Children
3/5
5/5
Good with Other Dogs
3/5
3/5
Apartment Friendly
2/5
2/5

Temperament & Personality

Bullmastiff Temperament

Affectionate Loyal Brave

The Bullmastiff is known for being affectionate, loyal, brave, making them better suited for homes without young children. Their moderate intelligence means they can be trained with consistent effort. They tend to be reserved with strangers, which makes them good watchdogs. With their high energy levels, they need plenty of exercise and mental stimulation to prevent boredom and destructive behaviors.

Leonberger Temperament

Friendly Gentle Playful

The Leonberger is characterized by being friendly, gentle, playful, which makes them great companions for families. With their moderate intelligence, they can learn with consistent training methods. They generally welcome strangers, making them sociable companions rather than protective guardians. Their moderate energy level makes them versatile companions that can adapt to your activity level, though regular exercise is still important.

Temperament Comparison

When comparing the Bullmastiff and Leonberger, there are notable differences in their temperaments that potential owners should consider:

Sociability with Strangers

Bullmastiff
3/5
Leonberger
5/5

Good with Children

Bullmastiff
3/5
Leonberger
5/5

Side-by-Side Trait Ratings

GOOD WITH YOUNG CHILDREN

Bullmastiff

Not Recommended Good With Children

Rating: 3/5

Leonberger

Not Recommended Good With Children

Rating: 5/5

GOOD WITH OTHER DOGS

Bullmastiff

Not Recommended Good With Other Dogs

Rating: 3/5

Leonberger

Not Recommended Good With Other Dogs

Rating: 3/5

ENERGY LEVEL

Bullmastiff

Low High

Rating: 4/5

Leonberger

Low High

Rating: 3/5

TRAINABILITY / INTELLIGENCE

Bullmastiff

Challenging Easy to Train

Rating: 2/5

Leonberger

Challenging Easy to Train

Rating: 1/5

GROOMING NEEDS

Bullmastiff

Low High

Rating: 2/5

Leonberger

Low High

Rating: 5/5

Care & Maintenance

Bullmastiff Care Requirements

Exercise Needs

4/5

Bullmastiffs require significant daily exercise, including at least 60-90 minutes of physical activity. This can include walks, play sessions, and more vigorous activities like running, swimming, or fetch.

Grooming Requirements

2/5

With their short, dense coat coat, Bullmastiffs require moderate grooming. This includes regular brushing to prevent matting and reduce shedding. Occasional professional grooming may be beneficial.

Leonberger Care Requirements

Exercise Needs

3/5

Leonbergers need regular daily exercise, including about 30-60 minutes of physical activity. This should include walks, play sessions, and moderate activities like walking and interactive play.

Grooming Requirements

5/5

With their short, dense coat coat, Leonbergers require significant grooming attention. This includes brushing several times per week to maintain coat health and reduce shedding. Professional grooming every 4-8 weeks is typically necessary.

Health & Lifespan

Bullmastiff Health Profile

Average Lifespan: 7-9 years

Common Health Issues:

  • Hip Dysplasia
  • Bloat
  • Heart Issues
  • Eye Problems
  • Cancer

Leonberger Health Profile

Average Lifespan: 9-9 years

Common Health Issues:

  • Hip Dysplasia
  • Bloat
  • Heart Issues
  • Eye Problems
  • Bone Cancer

Pros & Cons

Bullmastiff

Pros

  • Loyal and protective
  • Good with family
  • Low grooming needs
  • Quiet nature
  • Excellent guardians

Cons

  • Heavy droolers
  • Shorter lifespan
  • Size management issues
  • Not good with strangers
  • Health concerns

Leonberger

Pros

  • Gentle and patient with children
  • Excellent swimming abilities
  • Loyal family companion
  • Good guard dog instincts

Cons

  • Heavy shedding
  • Requires extensive grooming
  • Not suited for small spaces
  • High food costs

Ready to Find Your Perfect Match?

Now that you've compared the Bullmastiff and Leonberger, explore more breeds or use our breed matching tool to find the perfect dog for your lifestyle.