The purpose of this article is to examine the drivers of global standardization and localization of International Human Resource Management (IHRM) practices internalized by Pakistan's automotive industry leading to sustainable economic growth. The authors have studied the IHRM determinants influencing the automotive manufacturers, and have assessed its impact on sustainable economic growth. Analysis is developed on the antecedent IHRM theories and literature in the backdrop of Pakistan's automotive industry. The study highlights the paramount aims of host-country IHRM practices viz global standardization and localization, its impact on host-country organization's performance and resultant effect on sustainable economic growth. The article has focused, in subtle manner, on improving the explicit understanding on IHRM practices viz global standardization and localization drivers to achieve both growth for the industry and sustainable economic development of the country. The study is based on already generated literature thereby limiting the generalizability thereof, and provides a review of IHRM practices and outcomes in automobile sector in the growth context. The results have presented guidelines to researchers and practitioners doing research in human side in automotive industry providing impetus for growth, both at industry and country level.