Join Date: Sep 2013
Location: SFO/DTW
Programs: DL PM 0.5MM, Hyatt Globalist, HHonors Gold, SPG Plat, Marriott Gold, Avis PC, National EE, Hertz PC
Posts: 1,988
The counter agents have more power to give you a better car upgrade than select-and-go in my experience. YMMV, but just ask the counter agents nicely if they have anything else if you don't like your car.