Which fits most households better?
The AmStaff, for anyone without a large house and yard -- the Saint Bernard's very-low apartment score and high cost make it a fit only for spacious, well-prepared homes.
American Staffordshire Terrier or Saint Bernard? On paper they differ most on exercise need, and on the scales Saint Bernard is the heavier at 120–180 lbs. Here is how the two compare on everything that shapes an ordinary week.


This is for someone already down to American Staffordshire Terrier and Saint Bernard and deciding between them. For this pair the decision usually turns on exercise need and grooming need, so those are covered first and in most detail. Anyone choosing from a flat has a clear answer here: American Staffordshire Terrier rates 3/5 against 1/5. Breed history is left out; what follows is what you will actually live with.
Between American Staffordshire Terrier and Saint Bernard, exercise need is what separates them, and American Staffordshire Terrier is the lower-effort dog of the two to keep.
Choose American Staffordshire Terrier if you are in a flat or a smaller home, you do not want a standing grooming appointment and shedding is a problem in your house.
Choose Saint Bernard if your walking routine is modest, there are young children at home and you already have another dog.
| Feature | american staffordshire terrier | saint bernard | Winner |
|---|---|---|---|
| Size class | medium | giant | Equal |
| Weight | 40–70 lbs | 120–180 lbs | Equal |
| Height | 17–19 in | 26–30 in | Equal |
| Lifespan | 12–16 years | 8–10 years | american staffordshire terrier |
| Exercise need | High (4/5) | Low (2/5) | saint bernard |
| Grooming need | Very low (1/5) | Moderate (3/5) | american staffordshire terrier |
| Shedding | Moderate (3/5) | High (4/5) | american staffordshire terrier |
| Energy level | High (4/5) | Low (2/5) | Equal |
| Barking | Low (2/5) | Low (2/5) | Equal |
| Apartment suitability | Moderate (3/5) | Very low (1/5) | american staffordshire terrier |
| Good for first-time owners | Moderate (3/5) | Moderate (3/5) | Equal |
| Tolerates being alone | Moderate (3/5) | Moderate (3/5) | Equal |
| Trainability | High (4/5) | Moderate (3/5) | american staffordshire terrier |
| Good with kids | High (4/5) | Very high (5/5) | saint bernard |
| Good with other dogs | Low (2/5) | High (4/5) | saint bernard |
| Friendly to strangers | High (4/5) | High (4/5) | Equal |
| Cost level | Moderate (3/5) | Very high (5/5) | american staffordshire terrier |
| Coat | Short, stiff and glossy | Short or long double coat | Equal |
| Origin | Various | Various | Equal |
| Typical monthly cost | $100–$200 | $150–$310 | Equal |
| Typical first-year cost | $1,400–$2,900 | $2,200–$4,200 | Equal |
This is medium against giant: the AmStaff's 40-70 pounds looks almost delicate next to the Saint Bernard's 120-180, and the height gap runs from 17-19 inches to 26-30. A full-grown Saint Bernard can outweigh an adult human, which changes practical questions like which one you can lift into a car or bathe in a home tub.
Here the AmStaff is the higher-maintenance dog: high (4/5) exercise need against the Saint Bernard's low (2/5). Despite its size, the Saint Bernard is not an athlete -- it was bred for steady work in cold terrain, not sustained daily exertion -- and both breeds tie at high (4/5) on raw energy level even though their exercise requirements differ sharply.
Grooming and shedding both favor the AmStaff clearly: 1 out of 5 grooming need against the Saint Bernard's moderate (3/5), and moderate (3/5) shedding against the Saint Bernard's high (4/5). A Saint Bernard's coat means real brushing time and a lot more hair around the house than the AmStaff's wash-and-go coat produces.
Both breeds bark low (2/5), so noise isn't the issue -- space is. Apartment suitability drops to very low (1/5) for the Saint Bernard against the AmStaff's moderate (3/5), which tracks with a dog that can weigh nearly 200 pounds. Tolerance for being left alone actually ties at moderate (3/5) for both, so a Saint Bernard handles solitude about as well as an AmStaff does -- it just needs the square footage.
Trainability favors the AmStaff, high (4/5) against the Saint Bernard's moderate (3/5), but first-time-owner suitability ties at moderate (3/5) for both -- a mild surprise given the size gap, though it likely reflects the Saint Bernard's famously gentle, patient temperament offsetting its sheer scale.
The Saint Bernard pulls ahead with kids, very high (5/5) against the AmStaff's high (4/5), and with other dogs too -- high (4/5) versus low (2/5). That gentle, patient, watchful temperament shows up directly in these numbers. Friendliness to strangers ties high (4/5) for both, so neither breed is naturally standoffish with visitors.
Lifespan clearly favors the AmStaff -- 12 to 16 years against the Saint Bernard's 8 to 10, a gap typical of giant breeds generally. The Saint Bernard's health list runs to hip and elbow dysplasia, dilated cardiomyopathy, entropion and bloat -- five conditions tracking the risks common to large, deep-chested dogs, distinct from the AmStaff's joint-and-skin-focused list.
Cost level runs very high (5/5) for the Saint Bernard against the AmStaff's moderate (3/5): $150-$310 a month and $2,200-$4,200 in year one for the Saint Bernard, versus $100-$200 and $1,400-$2,900 for the AmStaff. Feeding a 150-pound dog alone costs meaningfully more than feeding a 55-pound one, before vet care even enters the picture.
American Staffordshire Terrier weighs 40–70 lbs and lives 12–16 years; Saint Bernard weighs 120–180 lbs and lives 8–10 years. The two diverge most on exercise need, grooming need and energy level and 3 other rated axes. They are level on tolerates being alone, barking and good for first-time owners, so those cannot decide it. The comparison marks an easier option only where one exists. Facts like weight and country of origin are not scored. Both dogs are rated from the same dataset, which is what makes the numbers comparable with each other even though any individual dog sits somewhere inside its breed's range.
Considerably -- 120 to 180 pounds against 40 to 70, and up to 30 inches tall against 19. The Saint Bernard is a giant breed; the AmStaff is medium.
The AmStaff, by a wide margin -- 4 out of 5 against the Saint Bernard's 2 out of 5. Despite its size, the Saint Bernard is not a high-exertion breed.
Not really -- it rates very low (1/5) for apartment suitability, against the AmStaff's moderate (3/5). Size is the limiting factor here, not temperament or barking.
They tie at moderate (3/5) for first-time owners, somewhat unexpected given the size difference -- the Saint Bernard's gentle, patient nature seems to offset the physical challenge of managing a very large dog.
Meaningfully more -- $150-$310 a month against $100-$200 for the AmStaff, and up to $4,200 in the first year versus $2,900. Its overall cost level rates very high (5/5) against the AmStaff's moderate (3/5).
Only hip dysplasia overlaps directly. The Saint Bernard's remaining risks -- elbow dysplasia, dilated cardiomyopathy, entropion, bloat -- are largely giant-breed issues tied to size and chest depth.
The AmStaff, by four to six years -- 12 to 16 years against the Saint Bernard's 8 to 10, one of the largest lifespan gaps in any comparison involving giant breeds.
The AmStaff, for anyone without a large house and yard -- the Saint Bernard's very-low apartment score and high cost make it a fit only for spacious, well-prepared homes.
Roughly 50% more per month ($150-$310 versus $100-$200) and up to $1,300 more in year one, driven mostly by its much larger size.
The AmStaff -- its 4-out-of-5 exercise need is double the Saint Bernard's 2 out of 5, despite the size difference running the other way.
About four to six years longer on average, 12-16 years versus 8-10, consistent with giant breeds generally having shorter lifespans than medium ones.






Health information here is general and is not veterinary advice. If your dog shows pain, sudden behaviour change, or worsening symptoms, consult a licensed veterinarian.
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