Great Dane vs Great Pyrenees — Side by Side

	Great Dane	Great Pyrenees
Lifespan	7-10 years	10-12 years
Size	Giant	Giant
Weight	110-175 lb	85-150 lb
Energy	Moderate	Moderate
Grooming	Low	Moderate
Shedding	Moderate	High
With kids	With supervision	Good with kids

What actually separates them

Less hair on the sofa with the Great Dane. More with the Great Pyrenees.
Less brushing with the Great Dane. More with the Great Pyrenees.
Great Pyrenees tends to live longer — 10-12 years against 7-10 years.
With young children, Great Pyrenees is the safer default — Great Dane is listed as "With supervision".

The honest downside of each

Great Dane

A dog this size usually only gets about 7 to 10 years with you, and its deep chest puts it at real risk of sudden, fatal stomach bloat (GDV) that breeders rarely mention at pickup.

Great Pyrenees

Bred to guard livestock alone through the night, a Great Pyrenees will bark for hours at anything that moves after dark — that's the working trait doing its job, not a behavior problem, and it makes the breed a poor fit for close neighbors or apartment walls.

Read the full pages

Great Dane · Great Pyrenees
Health problems, origin and what living with each is actually like.