Australian TerrierVSCavalier King Charles Spaniel

The Australian Terrier is known for being spirited, affectionate, courageous, while the Cavalier King Charles Spaniel is typically described as affectionate, gentle, graceful. These distinct personality traits mean each breed offers a different kind of companionship.

Both breeds share a similar playfulness level at 4/5, so you can expect comparable levels of fun and games from either one.

Noise-wise, the Australian Terrier is more vocal with a barking level of 4/5, while the Cavalier King Charles Spaniel is quieter at 2/5. If you prefer a calmer household, the Cavalier King Charles Spaniel may be the better choice.

The Australian Terrier is a small breed standing 23–28 cm (9–11 in) tall and weighing 6–7 kg (13–15 lbs). In comparison, the Cavalier King Charles Spaniel is a small breed at 30–33 cm (12–13 in) and 5–8 kg (11–18 lbs).

These two breeds are quite similar in size, so space and food requirements will be comparable for either choice.

The Australian Terrier has a wiry coat available in blue and tan, sandy, red, while the Cavalier King Charles Spaniel sports a long coat in Blenheim, tricolor, black and tan, ruby. Coat type significantly impacts grooming needs and shedding, which we cover below.

The Australian Terrier has high energy (4/5) with moderate exercise needs (3/5). The Cavalier King Charles Spaniel has moderate energy (3/5) and moderate exercise needs (3/5).

Both breeds have similar exercise requirements, so your daily activity routine won't change much regardless of which you choose. Plan for regular walks and play sessions to keep either breed content.

The Cavalier King Charles Spaniel sheds more than the Australian Terrier — 3/5 versus 2/5. You'll want to invest in a good lint roller and vacuum if you go with the Cavalier King Charles Spaniel.

Grooming-wise, the Cavalier King Charles Spaniel needs more upkeep (3/5) than the Australian Terrier (2/5). The Cavalier King Charles Spaniel's long coat demands regular professional grooming to stay in top shape.

Annual grooming costs average around $150 for the Australian Terrier and $200 for the Cavalier King Charles Spaniel. Factor this into your budget when deciding between the two.

The Australian Terrier has a lifespan of 11–15 years, while the Cavalier King Charles Spaniel lives 9–14 years. The Australian Terrier tends to live longer on average.

In terms of overall health robustness, the Australian Terrier scores 4/5 compared to the Cavalier King Charles Spaniel's 2/5. The Australian Terrier is generally a hardier breed with fewer genetic health concerns.

Common health issues for the Australian Terrier include patellar luxation, diabetes, Legg-Calve-Perthes disease, allergies. The Cavalier King Charles Spaniel is prone to mitral valve disease, syringomyelia, patellar luxation, hip dysplasia. Regular vet checkups and health screenings are essential for both breeds.

Annual vet costs average $400 for the Australian Terrier and $700 for the Cavalier King Charles Spaniel. Pet insurance is worth considering for either breed.

Both breeds are equally trainable at 4/5. Consistent, positive reinforcement methods work well with either breed.

The Australian Terrier ranks higher in intelligence (4/5 vs 3/5), which can be both a blessing and a challenge. Smarter dogs learn commands faster but also get bored more easily and may develop behavioral issues without mental stimulation.

Regardless of which breed you choose, early socialization and consistent positive reinforcement training are key to raising a well-behaved dog. Puppy classes are a great investment for either breed.

In terms of raw intelligence, the Australian Terrier outranks the Cavalier King Charles Spaniel with a score of 4/5 compared to 3/5. The Australian Terrier tends to learn new commands in fewer repetitions and shows stronger problem-solving ability in novel situations. However, higher intelligence doesn't always mean an easier dog to own — smarter breeds often demand more mental stimulation to avoid boredom-driven destructive behavior.

These breeds excel in different types of intelligence. The Australian Terrier leans toward obedience intelligence — quickly learning and responding to commands from their handler. The Cavalier King Charles Spaniel, on the other hand, shows strong adaptive intelligence — figuring out new situations on their own and reading social cues effectively.

For either breed, mental enrichment is just as important as physical exercise. Puzzle feeders, training sessions, scent work, and interactive toys keep intelligent dogs engaged and prevent the boredom that leads to chewing, digging, or excessive barking.

The Cavalier King Charles Spaniel edges ahead as a family dog, scoring 5/5 with children versus the Australian Terrier's 4/5. The Cavalier King Charles Spaniel's affectionate temperament makes it especially patient around kids.

If you have other pets, the Cavalier King Charles Spaniel tends to get along better with other dogs (5/5) than the Australian Terrier (3/5). Proper introductions are still important, but the Cavalier King Charles Spaniel is naturally more sociable with canine companions.

The Cavalier King Charles Spaniel is more welcoming to strangers (5/5), while the Australian Terrier tends to be more reserved (3/5). If you frequently have guests, the Cavalier King Charles Spaniel's sociable nature will make entertaining easier.

The initial purchase price for a Australian Terrier ranges from $1,000–$2,000, while a Cavalier King Charles Spaniel typically costs $1,200–$3,500. The Cavalier King Charles Spaniel is the more expensive breed to purchase.

Ongoing annual costs (food, vet, grooming) come to approximately $850 for the Australian Terrier and $1,260 for the Cavalier King Charles Spaniel. The Cavalier King Charles Spaniel costs more annually, largely because of higher food costs.

Monthly food costs run about $25 for the Australian Terrier and $30 for the Cavalier King Charles Spaniel. Over a typical lifespan, the total cost of ownership can differ by thousands of dollars, so it's worth factoring in the long-term financial commitment.