A side-by-side comparison of the Mastiff and Rottweiler across size, temperament, grooming, family fit, and more.
Mastiff
Rottweiler
It's a close call — these breeds are very evenly matched across all categories.
Mastiff
1 win
Rottweiler
1 win
More family-friendly
These breeds score equally well with families.
Lower maintenance
These breeds require similar grooming effort.
Longer-lived
Calmer
Mastiff is generally more relaxed and lower-energy.
Quieter
These breeds bark about as much as each other.
More trainable
Rottweiler picks up commands and new behaviors more readily.
| Breed | Size | Weight | Height | Lifespan | Energy | Shedding | Grooming | Trainable | Affection | Barking | Kids | Dogs | Cats | Apartment | First-timers | Low-allergen |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Giant | 175–190 lb | 28–30 in | — | ✓ | ✓ | — | — | — | — | |||||||
| Giant | 84–130 lb | 23–27 in | 10–11 yr | ✓ | — | — | — | — | — |
Dog Food Cost Calculator
How much does dog food cost per month? Combine calorie needs with your food’s real bag price.
Dog Crate Size Calculator
Find the right crate dimensions from your dog’s height and length, with crate recommendations.
Dog Harness Size Calculator
Turn your dog’s chest and neck measurements into the correct harness size.
The Mastiff and Rottweiler are both popular breeds, but they differ meaningfully in day-to-day life. The verdict above scores them on six key dimensions — use it as a starting point, then factor in your specific home, activity level, and family situation.
It's a close call — these breeds are very evenly matched across all categories.