ethanol option. In the mid 1980s, the air-cooled engine of the Gol was replaced by 1.6 and 1.8-litre longitudinally-mounted water-cooled gasoline inline-four engines from the Passat . By May 1982 the Voyage 1.5 was upgraded to 1.6. In 1984 a watercooled Voyage 1.8 ("Super") was launched as a higher level option.