Cavalier King Charles vs Brittany: 2026 Breed Comparison
Quick Verdict
Both the Cavalier King Charles and Brittany make wonderful companions, but they suit very different lifestyles. The Cavalier King Charles tends toward low–moderate energy and very good trainability, while the Brittany offers high energy with very good trainability. Your choice should reflect your activity level and experience.
| Trait | Cavalier King Charles | Brittany |
|---|---|---|
| Size | Small | Medium |
| Weight | 12–18 lbs | 30–40 lbs |
| Lifespan | 9–14 yrs | 12–14 yrs |
| Energy Level | Low–Moderate | High |
| Shedding | Moderate | Moderate |
| Trainability | Very Good | Very Good |
| Good with Kids | Excellent | Excellent |
| Barking | Low–Moderate | Moderate |
| Grooming | Moderate | Easy |
| Monthly Cost | $100–$200 | $100–$200 |
Size & Appearance
The Cavalier King Charles is a small-sized breed, typically weighing 12–18 lbs with a lifespan of 9–14 yrs. Its build is graceful and elegant with a silky coat and expressive, melting eyes.
The Brittany is a medium-sized dog weighing 30–40 lbs and living 12–14 yrs on average. Described as compact, leggy, and athletic with an orange-and-white or liver-and-white coat, it presents a distinctive profile that’s immediately recognizable.
If size matters for your living situation — apartment versus house with a yard — this comparison is decisive. The Cavalier King Charles is noticeably smaller and works better in tight spaces, while the Brittany needs more room to stretch.
Temperament
The Cavalier King Charles rates very good for trainability and is excellent with children. Barking tendency is low–moderate, making it generally acceptable for neighbors.
The Brittany is very good to train and excellent around kids. Its barking level is moderate — manageable overall.
Neither breed is especially stubborn, but both benefit from early socialization and positive reinforcement training starting from puppyhood.
Health & Lifespan
The Cavalier King Charles typically lives 9–14 yrs. Mitral valve disease (MVD) and syringomyelia are serious breed-specific concerns. Health testing is non-negotiable.
The Brittany has an average lifespan of 12–14 yrs. Relatively healthy. Hip dysplasia and epilepsy can occur. Ear infections are common in field dogs.
Veterinary costs vary by breed. Larger dogs and brachycephalic breeds often incur higher lifetime expenses. Always buy from health-tested breeders or adopt from a reputable rescue.
Exercise & Training
Cavalier King Charles exercise needs: Low–Moderate energy. The Cavalier King Charles needs 30–45 minutes of moderate activity daily — short walks plus indoor play usually suffice.
Brittany exercise needs: High energy. Plan on 60–90 minutes of daily exercise for the Brittany — long walks, fetch, swimming, or running are ideal.
Training: The Cavalier King Charles is very good to train. Positive reinforcement works best; early socialization makes a significant difference. The Brittany is very good to train. Positive reinforcement works best; early socialization makes a significant difference.
Grooming
Cavalier King Charles: Shedding is moderate, and grooming requirements are moderate. Brush the silky coat 3–4 times weekly to prevent tangles, especially around the ears and legs.
Brittany: Shedding is moderate, and grooming is easy. Brush weekly to remove debris from the flat-lying coat and check ears after field work.
Both breeds have similar shedding levels, so the grooming choice comes down to coat type and styling preferences.
Cost
Cavalier King Charles monthly costs: $100–$200. Potential heart and neurological issues can make this a costly breed — health insurance is strongly advised.
Brittany monthly costs: $100–$200. One of the more affordable sporting breeds. Their hardy constitution keeps vet costs manageable.
Puppy prices also vary significantly — popular or trendy breeds can command $2,000–$5,000+ from reputable breeders. Consider adoption as an alternative; both breeds have dedicated rescue organizations.
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Which Is Right for You?
Choose the Cavalier King Charles if:
- You want a small and a relaxed lifestyle
- very good trainability fits your experience level
- The Cavalier King Charles’s temperament and appearance match your vision of the ideal dog
Choose the Brittany if:
- A a medium-sized dog suits your home and lifestyle
- You can accommodate high energy levels daily
- very good trainability works for your household
Either could work if you’re flexible on size and energy, and prioritize temperament and compatibility over specific breed traits.
Frequently Asked Questions
Are Cavalier King Charless or Brittanys better for families with kids?
The Cavalier King Charles rates excellent with children, while the Brittany is excellent around kids. Both can thrive in family settings with proper socialization — early introductions and supervision with young children are always important regardless of breed.
Which breed sheds more — the Cavalier King Charles or the Brittany?
The Cavalier King Charles has moderate shedding, compared to moderate for the Brittany. Both shed at comparable levels — regular brushing will help manage loose hair for either breed.
How do the energy levels compare?
The Cavalier King Charles is a low–moderate energy dog; the Brittany is high. Choose based on your activity level — an active household can thrive with either, but a sedentary home suits the lower-energy breed better.
What’s the lifespan difference between a Cavalier King Charles and a Brittany?
Cavalier King Charless typically live 9–14 yrs, while Brittanys average 12–14 yrs. Genetics, diet, exercise, and veterinary care all influence actual lifespan significantly.
*Information on this page reflects general breed averages and should not replace advice from a licensed veterinarian or certified dog trainer. Individual dogs vary. GetPetPros.com participates in affiliate programs and may earn commissions from qualifying purchases at no additional cost to you.*