What do you fly? The 182RG is a decently efficient aircraft and generally the only ones I see that can go as fast on the same or less fuel are a lot smaller, or have a lot lower load rating. I know my friends 182RG is rated such that he can fly with 88 gallons and 4 people plus their baggage, which is like a really huge load amount for small aircraft! People with cars get spoiled by the whole notion of being able to gas up all the way and have 4 people and still be within the operating limits of the vehicle.