GS Caltex Ranks No. 1 in Premium Gasoline Category of Korea Quality Satisfaction Index for Second Consecutive Year

Premium gasoline "Kixx Prime" recognized for its quality competitiveness
Engine-cleaning and friction-reduction technologies enhance driving satisfaction

GS Caltex's premium gasoline brand Kixx Prime ranked No. 1 in the premium gasoline category of the Korea Quality Satisfaction Index for the second consecutive year.

2026 Korea Quality Satisfaction Index No. 1 Company Certification Ceremony. GS Caltex

GS Caltex announced on November 2 that Kixx Prime was named No. 1 in the premium gasoline category of the 2026 Korea Quality Satisfaction Index (KS-QEI), organized by the Korean Standards Association, following its win last year.

The Korea Quality Satisfaction Index is a measure that comprehensively assesses quality levels and customer satisfaction based on evaluations by consumers and experts who use products and services.

GS Caltex said it has strengthened its competitiveness in the premium fuel market through continuous technological development and quality management since launching Kixx Prime in April 2006.

Kixx Prime is a high-octane premium gasoline that reduces knocking, an abnormal combustion phenomenon that occurs inside an engine, helping the engine consistently deliver the performance it was designed for. Depending on the vehicle's characteristics, it provides smooth acceleration and a quiet driving experience.

In particular, it contains high-performance engine detergents and friction reducers, which help manage contaminants inside the engine and reduce energy loss caused by friction. GS Caltex verifies the product's quality and reliability through collaboration and testing with various high-performance vehicle manufacturers. It also operates a management system to maintain consistent quality throughout the entire process, from raw material procurement to production and supply.

GS Caltex plans to continue strengthening its competitiveness in the premium fuel market through research and development and quality innovation.

Kim Changsu, head of GS Caltex's Mobility & Marketing Division, said, "Kixx Prime's selection as No. 1 in the premium gasoline category of the Korea Quality Satisfaction Index for the second consecutive year is a meaningful achievement made possible by our continuous efforts to improve quality and the trust of our customers. We will continue to enhance the driving experience customers can feel through differentiated product quality and technology."

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