These breeds sit on opposite ends of the activity spectrum. The German Shepherd (energy: 5/5, exercise: 5/5) was bred to work all day and still has that drive.

If you hate vacuuming, this matters. The German Shepherd's 5/5 shedding level means daily fur management is part of life.

The Cocker Spaniel has a slight edge with children (5/5 vs 4/5). Both breeds can do well in families, but the Cocker Spaniel's happy temperament gives it a small advantage around young kids.

You'll notice the size difference immediately. The German Shepherd stands 55–65 cm (22–26 in) tall and weighs 22–40 kg (49–88 lbs), making it considerably larger than the Cocker Spaniel at 34–39 cm (13–15 in) and 11–14 kg (24–31 lbs).

Cocker Spaniels from the Sporting group carry a happy, gentle and smart personality, shaped by their heritage as sporting dogs. German Shepherds, belonging to the Herding group, are courageous, intelligent and loyal — reflecting their own distinct breeding history.

Life expectancy favors the Cocker Spaniel: 12–15 years versus the German Shepherd's 9–13 years. For many families, those extra years together are a compelling reason to lean toward the Cocker Spaniel.

The German Shepherd has a slight training edge (5/5 vs 4/5). Both respond to positive reinforcement, but the German Shepherd tends to catch on a bit faster.

Purchase prices are in the same ballpark: $800–$2,000 for a Cocker Spaniel and $1,000–$3,000 for a German Shepherd. The initial investment won't differ dramatically between these two breeds.