Brisbane petrol prices 'nation's highest'

Motorists group RACQ says Brisbane had the highest fuel prices of Australia's capital cities in 2018.

Brisbane motorists were slugged the highest petrol prices in the nation's capitals last year. (AAP)

Brisbane residents paid more for petrol than any of their Australian capital city counterparts, figures reveal.

Unleaded petrol in the Queensland capital averaged 143.9 cents per litre - one cent higher than Perth, while top-ranked Adelaide was 3.6 cents cheaper, according to RACQ.

Brisbane petrol jumped 14 cents from the previous year, the organisation's yearly fuel price report found on Wednesday.