The loan term should match the useful life of the asset just as you wouldn't take a 30 - year auto loan for your car, even if the payments were smaller. (ondeck.com)
Also, dealerships tend to offer loans for car purchases with comparatively worse terms. (badcreditloanservices.com)
If you have a secured loan for your car, you will usually need to get comprehensive car insurance. (moneysmart.gov.au)