standard, no. a lot of them had dimmers fitted for compliance though.
me, I put brighter globes in. the standard dash is dimmed from the factory
LEDs have a fixed voltage across them, but more than that they don't scale linearly with current. If you put 20mA through one it's not twice as bright as if you put 10mA through one. Unlike a regular bulb which drops off in brightness very quickly if you try and dim it.