Breed comparison
Boston Terrier vs Pug: which flat faced companion fits your household
Both are cheerful, people focused American favorites under 12 kg with short coats and low grooming needs, but they part ways on energy and face shape. The Boston Terrier has a longer muzzle and noticeably more get up and go, while the Pug is calmer, stockier, and carries the more extreme brachycephalic face of the two.
Last updated 23 September 2026 · How we write and check this
| Boston Terrier | Pug | |
|---|---|---|
| Weight | 5 to 11 kg | 6 to 9 kg |
| Height | 38 to 43 cm | 25 to 33 cm |
| Life expectancy | 11 to 13 years | 12 to 14 years |
| Daily exercise | 60 to 90 min | 30 to 60 min |
| Energy | 3 / 5 | 2 / 5 |
| Easy to train | 4 / 5 | 3 / 5 |
| Shedding | 2 / 5 | 4 / 5 |
| Good with children | 5 / 5 | 5 / 5 |
| Apartment friendly | 5 / 5 | 5 / 5 |
Size and coat
The Boston Terrier weighs 5 to 11 kg (11 to 24 lb) and stands 38 to 43 cm (15 to 17 in), with a short, fine, tuxedo marked coat that sheds lightly and needs almost no grooming beyond a weekly wipe down.
The Pug weighs 6 to 9 kg (13 to 20 lb) but stands shorter at 25 to 33 cm (10 to 13 in), giving it a stockier, more compact shape. Its coat sheds heavily year round despite being short, often surprising new owners with how much hair collects on furniture.
Face shape and breathing
The Boston Terrier has a moderately shortened muzzle, which generally means easier breathing than the Pug, though it still overheats faster than a longer nosed breed and needs shaded, cooler walks in summer.
The Pug has one of the flattest faces among popular breeds, leading to more snoring, snorting and heat sensitivity. Facial wrinkles need wiping most days to prevent skin infections, and Pugs should never be exercised hard in warm weather.
Energy and exercise
Bostons score higher for energy and playfulness, enjoying brisk walks, fetch and interactive games, and they generally need 30 to 45 minutes of activity a day split across two or three outings.
Pugs are noticeably lower energy and happy with 20 to 30 minutes of gentle walking a day. Overweight Pugs are common because their appetite regularly outpaces their exercise needs, so portion control matters more here than with the Boston.
Temperament and trainability
Both breeds score very high for friendliness with children and strangers, but the Boston is somewhat more trainable and quicker to pick up house manners, often responding well to clicker training by 12 weeks old.
The Pug is affectionate but more food driven and stubborn, sometimes ignoring commands in favor of sniffing out a dropped crumb. Short, treat heavy sessions work better than long structured ones.
Health and lifespan
Boston Terriers typically live 11 to 13 years. Their eyes protrude slightly and are prone to scratches and ulcers, so owners should keep sharp toys and low branches out of reach.
Pugs live 12 to 14 years but their extreme face brings a higher rate of breathing trouble, plus skin fold infections and joint strain from carrying extra weight on short legs. Watch for labored breathing after mild activity or persistent squinting in either breed, and see a vet the same day if it appears.
Cost and daily practicalities
Both breeds are cheap to groom compared with long coated dogs, needing little more than a weekly wipe down, but veterinary costs can run higher than average because of the breathing and eye issues linked to their flat faces.
Air conditioning in summer is close to a requirement for the Pug and strongly recommended for the Boston, since both overheat faster than longer nosed breeds even on a moderately warm day.
Choose the Boston Terrier if
- Wants a more active companion for daily walks and games
- Prefers a coat that sheds less overall
- Slightly easier breathing and better heat tolerance
- Trains a bit faster with consistent short sessions
- Fine with a leaner, more athletic looking small dog
Choose the Pug if
- Prefers a calmer, lower energy lap companion
- Comfortable with heavier shedding for a short coat
- Enjoys the distinctive squashed face and wrinkles
- Content managing daily wrinkle cleaning and portion control
- Wants one of the most food motivated, easygoing breeds
Which is calmer, the Boston Terrier or the Pug?
The Pug is the calmer of the two, needing only 20 to 30 minutes of gentle activity a day compared with the Boston's 30 to 45 minutes of brisker exercise. Boston Terriers are more playful and better suited to a household that wants an active small dog.
Do Boston Terriers or Pugs shed more?
Pugs shed more despite their short coat, often surprising new owners with how much hair appears on clothing and furniture. Boston Terriers shed lightly and need far less vacuuming and lint rolling.
Which breed has fewer breathing problems?
The Boston Terrier generally breathes more easily because its muzzle is somewhat longer than the Pug's. Both are still brachycephalic and need caution in heat, but the Pug carries the higher risk of snoring, overheating and airway trouble.
Are Boston Terriers or Pugs easier to train?
Boston Terriers are usually a little easier to train, picking up house manners and basic commands faster thanks to a stronger drive to please. Pugs are food motivated but more easily distracted, so short, high reward sessions work best.