The speaker does not like the wall. He feels it is unneeded.
During his speech Martin Luther King Jr. mentioned that the rights movement he was fighting for was like travelling down a road because roads are full of turns and they can be very long and dangerous. King states "Negroes of the United States of America are engaged in a creative battle to end the long night of racial injustice."
Being engaged in a long battle shows comparisons to a road as they take time to complete. This shows that the end of both may be hard to see at times but if you keep moving forward then you may reach the goal.
I would say no because a simile is having something referred to something else for example as brace as a lion or crazy like a fox.
Answer:
i would say "I'm not really into cars, but I prefer a car with lots of things that help along with my driving.