Will depend on type of car and time you can leave too.
If you can get either option to be clearer then you'll spend less time idling. Also if you're driving a motorway saloon vs. a massive transit your aerodynamics are better and the engine maybe tuned for motorways vs. congestion?
Will depend on type of car and time you can leave too.
If you can get either option to be clearer then you'll spend less time idling. Also if you're driving a motorway saloon vs. a massive transit your aerodynamics are better and the engine maybe tuned for motorways vs. congestion?