HenryBHough
Diamond Member
"GDI" means "Gasoline Direct Injection". 2.4 and 2.0 refer to the displacement of the engine in liters. Hyundai rates the 2.4 at 200 horsepower but there are various versions according to vehicle model. Some are turbocharged and produce more power. Not likely in the Santa Fe. That the 2.0, as noted in the post above IS turbocharged then that would explain why the shorter mileage interval between changes. The smaller engine is working harder.
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