This person might be a terrible driver - but at least they're honest.

A photograph of a homemade bumper sticker that reads "Sorry I can't go any faster, got too many demerits" is getting widely shared in New Zealand.

The picture received around 12,000 reactions since it was posted on the Only in New Zealand Facebook page on Sunday, yet it is unknown when it was taken.

Sorry can't go faster - Got too many demerits

Posted by Only In New Zealand on Saturday, 14 January 2017

The handwritten sign was attached to a red Toyota with brown tape, theDaily Mail reported.

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"It might stop some tailgating idiot from annoying him!" one commentator wrote.

Another one said she identified with the Toyota driver: "I let everybody know I can't go faster either. I drive a company car with a built in GPS which monitors my speed," the woman wrote.

Eagle-eyed Facebook users noted the picture appears to have been snapped in Mount Maunganui.

For those who are "Straight outta points" but don't feel like crafting their own sign, bumper stickers to a similar effect are available for purchase online.