Chugged is the main word that should give it away. It is kind of exaggerating the car going up the mountain. I assume it would be a hyperbole.
Hope I helped!
Answer:
Ponyboy is intelligent and gets good grades in school. He is empathetic toward his friends—as well as selfless and brave, as is demonstrated in his reaction to the church fire.
Explanation:
I rode to my Grandmothers house on the bus