Sirloin cuts make sirloin steaks or tri-tip roasts/steaks (commonly called "culotte"), which are chewy, but very flavorful. They're found near the rear end of the cow and are a great value.

For the roast beef, heat the oil in a roasting tin on the hob. Seal the sirloin all over including the ends. Set aside in the roasting tin. Preheat the oven to 220C/200C Fan/Gas 7. Meanwhile mix ...

Top sirloin roast and sirloin tip roast sound similar and can both make for a good meal, but they two are far more different than you might realize.