01 - Preheat a grill or barbecue to medium heat.
02 - In a mixing bowl, combine tomato ketchup, apple cider vinegar, brown sugar, Worcestershire sauce, Dijon mustard, smoked paprika, garlic powder, and black pepper, whisking until well blended.
03 - Arrange sausages on the preheated grill. Cook for 10 to 12 minutes, turning with tongs frequently to ensure even browning.
04 - During the final 5 minutes of grilling, baste sausages generously with the barbecue sauce, turning to coat on all sides until caramelized.
05 - Serve sausages hot, in buns if desired, accompanied by additional barbecue sauce and optional toppings such as sliced onions, pickles, or coleslaw.