How long do you cook a 4.4 lb sirloin tip roast?

For a 4.4 lb sirloin tip roast, you should cook it at a temperature of about 325°F (163°C). Generally, it takes about 20 to 25 minutes per pound for medium-rare, so you can expect a cooking time of approximately 1.5 to 2 hours. Always use a meat thermometer to ensure it reaches an internal temperature of 135°F (57°C) for medium-rare. Let it rest for at least 15-20 minutes before slicing to allow the juices to redistribute.