Does a bull mastiff live longer than mastiff?

Bullmastiffs and Mastiffs are both large dog breeds, but there is a difference in their average lifespan. Mastiffs typically live for 6-10 years, while Bullmastiffs tend to live for 7-10 years. However, this is just an average and there are many factors that can affect a dog's lifespan, including genetics, health care, and lifestyle.