A detailed side-by-side comparison to help you choose the right breed for your lifestyle.
| Attribute | Boston Terrier | Shih Tzu |
|---|---|---|
| Size | small | small |
| Weight | 5–11 kg (11–24 lbs) | 4–7 kg (9–15 lbs) |
| Height | 38–43 cm (15–17 in) | 20–28 cm (8–11 in) |
| Lifespan | 11–15 yrs | 10–16 yrs |
| Trainability | 4/5 | 3/5 |
| Energy Level | 3/5 | 2/5 |
| Good with Kids | 5/5 | 4/5 |
| Shedding | 2/5 | 1/5 |
| Grooming | 1/5 | 5/5 |
| Apartment Friendly | 5/5 | 5/5 |
| Health | 3/5 | 3/5 |
| Price | $600–$2,000 | $500–$2,000 |
The Boston Terrier is known for being friendly, lively, intelligent, while the Shih Tzu is typically described as affectionate, outgoing, happy. 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 Shih Tzu is more vocal with a barking level of 3/5, while the Boston Terrier is quieter at 2/5. If you prefer a calmer household, the Boston Terrier may be the better choice.
The Boston Terrier is a small breed standing 38–43 cm (15–17 in) tall and weighing 5–11 kg (11–24 lbs). In comparison, the Shih Tzu is a small breed at 20–28 cm (8–11 in) and 4–7 kg (9–15 lbs).
These two breeds are quite similar in size, so space and food requirements will be comparable for either choice.
The Boston Terrier has a short coat available in black and white, brindle and white, seal and white, while the Shih Tzu sports a long coat in black, white, gold, brindle, liver. Coat type significantly impacts grooming needs and shedding, which we cover below.
The Boston Terrier has moderate energy (3/5) with moderate exercise needs (3/5). The Shih Tzu has low energy (2/5) and low exercise needs (2/5).
The Boston Terrier requires more daily activity to stay happy and healthy. Without enough exercise, they may develop destructive behaviors. The Shih Tzu is more adaptable and can get by with shorter walks and play sessions.
When it comes to shedding, the Boston Terrier drops more fur with a shedding level of 2/5, while the Shih Tzu is lighter at 1/5. If pet hair on furniture is a concern, the Shih Tzu will be easier to live with.
Grooming-wise, the Shih Tzu needs more upkeep (5/5) than the Boston Terrier (1/5). The Shih Tzu's long coat demands regular professional grooming to stay in top shape.
Annual grooming costs average around $100 for the Boston Terrier and $500 for the Shih Tzu. Factor this into your budget when deciding between the two.
The Boston Terrier has a lifespan of 11–15 years, while the Shih Tzu lives 10–16 years. Both breeds have comparable lifespans.
Both breeds score 3/5 for health robustness, meaning they share similar overall health profiles.
Common health issues for the Boston Terrier include brachycephalic syndrome, patellar luxation, cataracts, deafness. The Shih Tzu is prone to brachycephalic syndrome, patellar luxation, hip dysplasia, eye problems. Regular vet checkups and health screenings are essential for both breeds.
Annual vet costs average $500 for the Boston Terrier and $450 for the Shih Tzu. Pet insurance is worth considering for either breed.
The Boston Terrier is easier to train with a trainability score of 4/5, making it more suitable for first-time dog owners. The Shih Tzu scores 3/5 and may require more patience and experience during training sessions.
The Boston 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.
For families with children, the Boston Terrier is the stronger choice, scoring 5/5 for kid-friendliness compared to the Shih Tzu's 4/5. The Boston Terrier's friendly nature makes it a natural fit for households with young ones.
The Boston Terrier is more welcoming to strangers (5/5), while the Shih Tzu tends to be more reserved (4/5). If you frequently have guests, the Boston Terrier's sociable nature will make entertaining easier.
The initial purchase price for a Boston Terrier ranges from $600–$2,000, while a Shih Tzu typically costs $500–$2,000. The Boston Terrier has a higher upfront cost.
Ongoing annual costs (food, vet, grooming) come to approximately $1,020 for the Boston Terrier and $1,310 for the Shih Tzu. The Shih Tzu costs more annually, largely because of grooming expenses.
Monthly food costs run about $35 for the Boston Terrier and $30 for the Shih Tzu. 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.
Question 1 of 3
Do you have children at home?
The Boston Terrier scores 5/5 for being good with kids, making it the better family choice compared to the Shih Tzu's 4/5. Both breeds can be great family dogs with proper training and socialization.
The Boston Terrier is easier to train with a score of 4/5, compared to the Shih Tzu's 3/5. Both respond well to positive reinforcement methods.
A Boston Terrier puppy costs $600–$2,000 while a Shih Tzu costs $500–$2,000. Annual maintenance runs about $1,020 for the Boston Terrier and $1,310 for the Shih Tzu.
The Boston Terrier lives 11–15 years on average, while the Shih Tzu lives 10–16 years. Both breeds have similar lifespans. Proper diet, exercise, and regular vet care help maximize lifespan for either breed.
The Boston Terrier is equally suited for apartments (5/5) as the Shih Tzu (5/5). It adapts well to smaller spaces.
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