What type of gas do you use in a 2001 Chevy Tahoe?

A 2001 Chevy Tahoe could use either regular unleaded gasoline (typically 87 octane) or premium unleaded gasoline (typically 91 octane or higher), depending on the engine. Check your owner's manual to be absolutely certain which octane rating is recommended for your specific Tahoe's engine. The fuel cap will also usually indicate the recommended octane rating.