An hour's off-street parking in the Brisbane CBD will gouge $28.71 from a driver - higher than either Sydney or Melbourne - a motor insurance group has found.

Just 30 minutes of off-street parking in Brisbane costs an average of $16.98.

Short-term on-street parking remains cheaper than Sydney or Melbourne, but off-street parking costs are above inflation. Credit:File

On average, Brisbane had the second-highest overall parking costs nationally, behind Sydney.

In contrast to off-street parking, Brisbane's on-street parking was still cheaper than Sydney or Melbourne, at $4.90 an hour compared with Melbourne's $7 and Sydney's $7.20 an hour.