Trim any visible fat.
Place tri tip in a resealable plastic bag.
Add all the ingredients.
Turn to coat all sides of the meat with the marinate.
Let sit in the refrigerator for at least 4 hours. Overnight is best.
When ready to cook, take the meat out of the refrigerator.
Heat Grill to 350-375 degrees F, medium heat.
Cook for 4-8 minutes on each side, depending on the thickness of the meat.
Meat is done when the second side “bounces back” or the internal temperature 145 degrees F for medium rare, 160 degrees F for medium, 175 degrees F well done.
Let meat rest for 10 minutes in a foil tent before slicing.