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The answer is use 10W-30 for engine oil in the 2003 Hyundai Tiburon GT.
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If they are the same type (I4/V6) then yes.
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10w30
Listed in your owner's manual.
The 2003 Hyundai Sonata has double overhead cam (DOHC).
The 2003 Hyundai Accent has double overhead cam (DOHC).
The 2003 Hyundai Elantra has double overhead cam (DOHC).
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