Cavalier King Charles Spaniel VS Shih Tzu

A detailed side-by-side comparison to help you choose between these two popular breeds.

Quick Comparison

Trait Cavalier King Charles Spaniel Shih Tzu
Lifespan 12–15 yrs 10–18 yrs
Weight 13–18 lbs 9–16 lbs
Height 12–13" 9–10"
Price $1500–$3000 $800–$1500
AKC Rank #14 #20
Group Toy Toy
Size Small Small

Rating Comparison

Energy Level
Cavalier King Charles Spaniel 3/5
5/5 Shih Tzu
Trainability
Cavalier King Charles Spaniel 3/5
2/5 Shih Tzu
Good with Kids
Cavalier King Charles Spaniel 3/5
3/5 Shih Tzu
Good with Dogs
Cavalier King Charles Spaniel 3/5
5/5 Shih Tzu
Shedding
Cavalier King Charles Spaniel 2/5
5/5 Shih Tzu
Barking Level
Cavalier King Charles Spaniel 1/5
3/5 Shih Tzu
Apartment Friendly
Cavalier King Charles Spaniel 2/5
3/5 Shih Tzu
Grooming Needs
Cavalier King Charles Spaniel 2/5
5/5 Shih Tzu

Detailed Comparison

Choosing between a Cavalier King Charles Spaniel and a Shih Tzu is a common dilemma for prospective dog owners in 2026. Both breeds have passionate followings and distinct characteristics that make them excellent companions for the right families.

Size and Appearance

The Cavalier King Charles Spaniel is a small-sized dog weighing 13–18 pounds and standing 12–13 inches tall. In comparison, the Shih Tzu is small-sized at 9–16 pounds and 9–10 inches. This size difference is an important factor for families considering space requirements and physical handling.

Temperament

When it comes to energy levels, the Cavalier King Charles Spaniel rates 3/5 while the Shih Tzu scores 5/5. For trainability, the Cavalier King Charles Spaniel earns a 3/5 compared to the Shih Tzu's 2/5. Both breeds can be wonderful family dogs, with kid-friendliness ratings of 3/5 and 3/5 respectively.

Health and Lifespan

The Cavalier King Charles Spaniel typically lives 12–15 years, while the Shih Tzu has a lifespan of 10–18 years. Both breeds have their own set of common health concerns, and prospective owners should look for breeders who perform comprehensive health testing.

Cost

In terms of initial cost, Cavalier King Charles Spaniels typically range from $1500 to $3000, while Shih Tzus cost $800 to $1500. Ongoing monthly costs are approximately $92 for the Cavalier King Charles Spaniel and $95 for the Shih Tzu.

Grooming and Maintenance

Grooming needs differ between these breeds, with the Cavalier King Charles Spaniel rating 2/5 and the Shih Tzu rating 5/5. Shedding levels are 2/5 for the Cavalier King Charles Spaniel and 5/5 for the Shih Tzu. The Shih Tzu is hypoallergenic.

Living Situation

For apartment dwellers, the Cavalier King Charles Spaniel rates 2/5 for apartment friendliness while the Shih Tzu scores 3/5. Exercise requirements are 3/5 for the Cavalier King Charles Spaniel and 3/5 for the Shih Tzu. Both breeds thrive with owners who can commit to daily physical activity and mental stimulation.

The Verdict

Both the Cavalier King Charles Spaniel and Shih Tzu are exceptional breeds that can bring joy and companionship to the right home. The best choice depends on your specific lifestyle, living situation, and preferences.

Choose the Cavalier King Charles Spaniel if: You want a small-sized toy dog with an energy level of 3/5 and don't mind minimal grooming needs. They're ideal for experienced dog owners and homes with a yard.

Choose the Shih Tzu if: You prefer a small-sized companion from the toy group with higher energy levels. They excel with moderate activity levels and spacious homes.

Frequently Asked Questions

Neither breed is universally 'better' — the best choice depends on your lifestyle, living situation, and what you're looking for in a companion. The Cavalier King Charles Spaniel and Shih Tzu each have unique strengths.
The Cavalier King Charles Spaniel weighs 13–18 lbs while the Shih Tzu weighs 9–16 lbs. The Cavalier King Charles Spaniel is generally larger.
The Cavalier King Charles Spaniel lives 12–15 years while the Shih Tzu lives 10–18 years. Individual lifespan depends heavily on care, genetics, and lifestyle.
A Cavalier King Charles Spaniel typically costs $1500–$3000 while a Shih Tzu costs $800–$1500. Ongoing costs also differ based on size and grooming needs.
With proper introduction and socialization, a Cavalier King Charles Spaniel and Shih Tzu can coexist well. Both breeds rate reasonably well for compatibility with other dogs. Gradual introductions in neutral territory work best.