Store › Sirloin Tip Roast Image 1 of 2 Image 2 of 2 Sirloin Tip Roast from $17.50 $7 per pound, three size options. Learn more about sirloin tip roasts here. Size: Select Size 2.5 pound 3 pound 3.5 pound Quantity: Add To Cart Added! $7 per pound, three size options. Learn more about sirloin tip roasts here.