The towing capacity of a 2004 Chevy Tahoe varies significantly depending on the engine and configuration. It's
not a single number. You
must check the sticker on your Tahoe's driver's side doorjamb or your owner's manual to find the exact towing capacity for *your specific vehicle*.
The sticker will list the maximum towing capacity based on the options installed on your particular Tahoe. Generally, it ranged from around 6,000 to 8,500 pounds depending on the engine and other factors such as the presence of a towing package.