Collie (Rough Collie) vs Newfoundland: Which Suits Your Home?

The Newfoundland is a genuine giant: 100-150 lbs and up to 28 inches, against the Collie's 50-75 lbs and 22-26 inches. Both are big dogs by ordinary standards, but the Newfoundland is in a different tier entirely, closer in scale to a small adult than to a typical large breed. Expect a correspondingly bigger dog bed, bigger car footprint, and bigger everything.

Despite its size, the Newfoundland is the calmer of the two: 2/5 energy level against the Collie's 3/5, while exercise need ties at moderate 3/5 for both. Newfoundlands are famously easygoing water dogs that don't need constant activity; a couple of walks and maybe a swim satisfies them. The Collie's herding drive keeps it a touch more consistently active day to day.

Both breeds rate 4/5 on grooming need, but the Newfoundland actually out-sheds the Collie: 5/5, the maximum rating, against the Collie's already-high 4/5. That heavy, water-resistant double coat is built for cold water, not your living room floor. If shedding volume is your main concern, know that the Newfoundland is rated worse here than the Collie, not better.

Neither breed suits small spaces, and the Newfoundland is worse: 1/5 apartment suitability, the lowest possible score, against the Collie's 2/5. It does bark less, though (2/5 versus 3/5). A 100+ lb dog with a heavy coat and a drool habit needs real square footage; if you're in an apartment, this comparison points firmly away from both breeds, but especially the Newfoundland.

The Collie edges ahead on trainability (5/5 versus 4/5) and clearly leads for first-time owners (4/5 versus the Newfoundland's 3/5). Newfoundlands are gentle and eager to please, which helps offset their size during training, but that size still raises the stakes of an undertrained dog more than a Collie's does. Both respond well to positive methods; the Newfoundland just has more physical mass to manage while you're teaching it manners.

Both breeds score a perfect 5/5 with kids; the Newfoundland's reputation as a gentle nanny dog holds up in the numbers. They're also tied with other dogs (4/5) and strangers (4/5). This is a category where the two breeds are essentially equivalent; whatever decides your choice, it likely won't be temperament around family and visitors.

The Newfoundland's shorter lifespan, 9 to 10 years against the Collie's 11 to 14, is the sharpest number in this comparison, a difference of up to five years. Both carry hip dysplasia and bloat risk. The Newfoundland's list is shorter overall but includes subaortic stenosis and dilated cardiomyopathy, serious cardiac conditions worth screening for specifically in this breed.

Keeping a Newfoundland is expensive: rated 5/5 (Very high) against the Collie's 3/5, with a monthly range of $150-$310 versus $100-$200 and a first-year cost up to $4,200 against $2,800. Food volume for a 150 lb dog and giant-breed vet pricing both drive that gap; budget accordingly if the size doesn't already give you pause.