If you cause a car accident, Low deductible plan of insurance will require you to pay the least out of pocket. but If you're in a car accident caused by someone else who also has insurance, either a.) High deductible plan or b.) Low deductible plan will not require you to pay out of pocket costs.
If somebody hits your vehicle and damages it, you'd be creating a claim against their liability coverage and there wouldn't be a deductible due for either you or the opposite driver. If the insurance company finds their coated driver utterly guilty your vehicle is repaired at no price to you.