Gran Patron

Anjeo is aged 1-3 years in oak barrels.

Patron Platinum Silver Tequila has been aged. The site does not specify how or when.

Silver tequila is generally not aged a bit, so I'm not sure exactly what his boss does not make "Platinum".

Added: This is Bevmo.com: Patron Platinum is produced from carefully hand selection of the finest blue agave plant harvest. Tequila is distilled three times, then some of the finest batches are blended.

For 750ml, Anejo is about $ 45 and Platinum is around $ 200.

the age of brewing.
and the additional cost for snob appeal

Gran Patron Anejo was the most expensive in the supermarket last week in Mexico. Wildly overpriced and a marketing scheme that works well with Tequila snobs.

Price