Correct. GMH had T,U,V and W sized vehicles. T was Gemini (and small car starting at TA), U is 4cyl Torana and Sunbird (and later Torana), V is Commodore (but later also included Holden (eg VU ute and V2 Monaro) and some Statesman (VQ etc), and W was Holden and Statesman (HJ-WB and later also Statesmans eg WH etc).