People flocked to a west Auckland gas station, Newshub reveals, after a photo posted online showed fuel available for just $2.77 a litre. Gull in Henderson Valley was packed with cars on Tuesday as Kiwis rushed to the petrol station in the hopes of getting cheap fuel. The most expensive 91 petrol in the city on Tuesday was a whopping $3.31 a litre at GAS Kaurilands in Titirangi.