no it isn't safe to drive.gas is highly flameable,and a gas leak will only lead to self destruction.
if you have a gas leak.
You have a gas leak.
because your car has a gas leak
The car will over heat.
did you leave the gas cap off and drive the car?
There are innumerable points for the leak, cost for repair will depend on where it is. You can drive the car only if the leak is minor and the temperature gauge shows normal temperature.
probably not you have a gas line leak
make be there is a gas leak
gas cap loose..
my car smells like i have a petrol leak when i turn it on but have no leak underneath the car
you probably have a leak that drains your pressure when it sits, and that's what you smell. it is not safe to drive with a fuel leak