Yes, car vacuums are definitely worth it—if you get the right one for your needs. Just as you (hopefully) clean your home routinely, your vehicle must also be cleaned regularly. Car detailing services can be expensive, and self-serve car washes tend to use large, bulky one-size fits-all vacuums that may not adequately clean your vehicle. And in both instances, there are other factors to consider, such as convenience and availability.