The weight of a full-grown Sulcata tortoise can vary depending on the gender and subspecies. However, on average, a fully grown Sulcata tortoise can weigh between 90 to 200+ pounds (40 to 90+ kg). Sudanese male Sulcata tortoises often reach 100 to 200 pounds at their adult size whereas, female Sudanese Sulcata tortoises can grow a bit smaller but still quite big compared to other types of tortoises.