Real-time fuel prices will be available to Queensland motorists' within six months, with the state government confirming it will launch a two-year trial.

From December this year, price alterations will be seen on apps and websites within 30 minutes of the change being made at petrol stations.

The announcement comes as data from the Australian Bureau of Statistics shows fuel prices have risen 7.4 per cent during the past quarter and 16.6 per cent during the past year in Brisbane.