10w30
The answer is use 10W-30 for engine oil in the 2003 Hyundai Tiburon GT.
If they are the same type (I4/V6) then yes.
R-134
Listed in your owner's manual.
The 2006 Hyundai Elantra has double overhead cam (DOHC).
The 2006 Hyundai Azera has double overhead cam (DOHC).
The 2006 Hyundai Sonata has double overhead cam (DOHC).
The 2006 Hyundai Accent has double overhead cam (DOHC).
The 2006 Hyundai Tucson has double overhead cam (DOHC).
If your transmission is automatic then use castrol multi vehicle import
V4 = 4.2 quarts 5w-30 V6 = 4.5 quarts 52-30
The 2006 Hyundai Santa-FE has double overhead cam (DOHC).