La Vaca Loca is a diner in Grand Theft Auto V located on Macdonald Street, Davis, offering breakfast, lunch and dinner. According to numerous signs pinned up on the building's windows, the business offers a variety of meals such as pastramis and fries; chicken, fries and salad; and burritos with tomato, lettuce and beans.
- As well as dining inside, customers also have a drive-through option.
- A Whiz public telephone and Daily Rag newspaper vending machines surrounds the building.
- "La Vaca Loca" means "The Crazy Cow" in Spanish. This is a reference to the Bovine spongiform encephalopathy (BSE), popularly known as "mad cow disease" or "enfermedad de las vacas locas" in Spanish.