We love our 1994 K2500 and the 6.5T. Not noisy at all with the factory supplied suppression blankets.
it's loud if standing right outside it, not inside it.
We love our 94 K2500 6.5T powered Suburban.
If that Tahoe was right and near I would own it too!
Great mileage and decnt power for the fuel it uses.
Twice drove around the entirity of Lake Erie and didn't stop for fuel.