I-injini ye-Hyundai G4FG 1.6L yiyunithi yamandla yanamhlanje, ephezulu yokusebenza eyenzelwe i-RIO IV (YB, SC, FB) series kunye ne-CERATO III Saloon (YD) 1.6 16V imodeli. Iyaziwa ngokuthembeka kwayo, ukusebenza kakuhle kwamafutha, kunye nokusebenza okugudileyo, i-injini ye-G4FG isebenzisa itekhnoloji yokutofa ngamanqaku amaninzi kunye neenkqubo zokutsha eziphuculweyo ukuhambisa ulungelelwaniso olunomtsalane lwamandla kunye noqoqosho. Ngokufuduswa kweelitha ze-1.6 kunye nokucwangciswa kwe-valve ye-16, kunika ukukhawuleza okunamandla, ukuphendula okugqwesileyo, kunye nokukhutshwa okuphantsi.
Yakhelwe ngemigangatho yobulunga obungqongqo yakwaHyundai, i-injini ye-G4FG iqinisekisa ukuqina okukhethekileyo kunye nokusebenza kwexesha elide phantsi kweemeko ezahlukeneyo zokuqhuba. Nokuba kungohambo lwemihla ngemihla okanye uhambo olwandisiweyo, inika abaqhubi amava okuqhuba athembekileyo nasebenzayo.
I-injini nganye ivavanywa ngokungqongqo kwifektri ukuqinisekisa ukusebenza okungaguqukiyo, ulawulo lwe-oyile olufanelekileyo, kunye nokuzinza kwe-thermal. Le njini sisisombululo esifanelekileyo sokubuyisela iRIO IV kunye nabanini beCERATO III abafuna ukubuyisela ukusebenza kwemoto yabo yokuqala kunye nokuthembeka.
Ngoku iyafumaneka kwisitokhwe, i-injini ye-G4FG iza ilungele ukuthunyelwa ngokukhawuleza kunye nokufakwa lula. Ukuthembela ekugqweseni kwezobunjineli bakwaHyundai ukuzisa ubomi obutsha kwisithuthi sakho ngomgangatho wefektri, isisombululo esakhiwe ngombane esichanekileyo.