What gear oil do you use for Acura RSX base?

For the Acura RSX base model, it's recommended to use a high-quality 75W-90 gear oil for the manual transmission. Look for oils that meet or exceed the API GL-4 specifications. Brands like Honda Genuine, Royal Purple, or Mobil 1 are popular choices among enthusiasts. Always consult your owner’s manual for specific recommendations and capacity.