Advice for Towing Car Cross Country

[Gnnr]

I may be relocating to DC-metro area and will need to tow my current vehicle ('14 Kia Optima). I don't want to use a transport service and want to tow myself but U-Haul prices for just the tow trailer seem like a rip off ($480). I'm wondering if the car rental agencies would rent me a Pickup/SUV for the towing with a trailer?? :confused:

Anyone done this? Any ideas?