Here's why:
* Oil specifications vary: The type of oil your Golf GTI needs depends on the model year, engine size, and specific engine specifications.
* Manufacturer recommendations are crucial: The most important source of information is your vehicle's owner's manual. It will list the recommended oil viscosity (like 5W-30 or 0W-40) and oil type (synthetic, semi-synthetic, or mineral).
* Consult a mechanic: If you're unsure, a qualified mechanic can help you determine the best oil for your Golf GTI.
Instead of relying on general advice, I strongly recommend you:
1. Consult your Golf GTI's owner's manual.
2. Visit a reputable mechanic or dealership. They can advise you on the correct oil type and viscosity for your specific car.
Remember: Using the wrong oil can harm your engine. Always prioritize information from your vehicle's manual and consult a professional.