Keeping this in consideration, at what age is a tortoise full grown?
20 years
Similarly, how long do tortoises stay small? Greek Tortoises do not grow more than 10 inches long and although they are small can live up to 50 years!
Consequently, what is the average size of a tortoise?
Speckled cape tortoise: 6 – 8 cm
How big is a 10 year old sulcata tortoise?
Sulcata Tortoise Size
You could literally have a 10-inch tortoise that is 3 years old or 10 years old. Many adult sulcata tortoises break the 100-pound mark. However, most of the large sulcatas in our collection aren't much over 100 pounds, but we do have a few.