Input (grade 13): Another reason why many drivers consider Interlagos interesting is that it was not built on flat terrain, but follows the ups and downs of hilly ground, which makes it harder to drive and demands more power from the car's engines.
Output (grade 8): Another feature that makes Interlagos interesting is that it follows the ups and downs of hilly ground. This makes the circuit harder to drive and more demanding on the car's engine.