Northern Sunshine Coast drivers are being hit harder in the hip pocket at the petrol pump than their southern neighbours.

RACQ research has revealed a huge price disparity in the region with Noosa motorists being slugged 30 cents a litre more than drivers in Caloundra.

RACQ spokeswoman Clare Hunter said Noosa drivers were paying an average of 155.9 cents per litre compared to Caloundra where some service stations were charging just 125.5 cents per litre.

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"It's all down to competition. In Caloundra there are a few smaller independent retailers which are competing on price and will discount heavily to get vehicles to the pump," Ms Hunter said.

She said Noosa's market, dominated by major suppliers and supermarket chains, remained high as motorists weren't shopping smart to drive competition.

The Coast's average price was 140.8 cents per litre, being propped up by the Noosa prices with most Maroochydore service stations currently selling unleaded for less than 133 cents per litre.

MotorMouth pinpointed the best cut price fuel over the past 24 hours, with Caltex/Woolworths leading the charge in the Maroochy and Caloundra regions.

Unleaded was selling for 127.9 cents a litre at the Caltex/Woolworths at University Way, Sippy Downs, on Thursday morning.

It was also available for 125.5 cents a litre at Caltex/Woolworths on Caloundra Road, Caloundra West, on Thursday morning.

The Coast's average unleaded price on for the previous 24 hours to Thursday morning was 130.3 cents a litre, significantly cheaper than Brisbane's 141.1 cents a litre.

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