Its normal. Shock absorbers cool at different rates from left to right and front to back. Resulting in somtime strange looking car stance when unladen.
This is particularly obvious if your car park is slanted to one side. Nothing to worry about as every other car has similar issues.
Continental cars are a lot heavier so that "rebound" sag may stay the same when the whole car cools overnight. The moment you warm up the car and drives, it all becomes even!. Nice and good. You can try this by putting your car in a very flat surface and measuring the height from fender top to the ground. Variance should be under 1 cm. If the car is evenly laden, variant can be smaller than 5 mm which is really nothing.
But if your car has an alignment problem (too much toe-in one side or too much camber one side),. It would be worse. So if you really want to check, do an alignment first to ensure your car has stock geometry spec.