Which is taller Sierra Madre Oriental or Occidental?

The Sierra Madre Occidental is generally considered to be taller than the Sierra Madre Oriental.

The Sierra Madre Occidental contains the highest mountain in Mexico, the Pico de Orizaba, which has an elevation of 5,636 metres (18,491 feet).

The highest peak in the Sierra Madre Oriental is Cerro del Potosí at 3,700 metres (12,100 feet).