Originally Posted by
canadianidol
I know Reforma tower is newer than Danubio Tower.
The main tower facing Paseo de la Reforma is the original wing of the hotel, dating to 1962.
The tower at the back of the property, facing Calle Rio Danubio, was added after Sheraton took over, in 1969.
I don't know which tower has been renovated more recently, but the Danubio tower is definitely the newer one, if only marginally.