The Impala spirit guide is known for it's connection to motion, sensitivity, adaptation, secrets, grace, and nimble motions in mind and body. Impala can be a reminder to put trust in those close to you, but it can also be a reminder to remember to take care of yourself.
Eric Kripke has said in interviews that he knew he wanted a classic 1960s American muscle car and was originally going to go with a 1965 Mustang, but his neighbour convinced him that the Impala would be a better choice because "you can put a body in the trunk" and "when people stop next to it at the lights, they lock ...