Pictures are VERY tight... pictures of it out in a parking lot with no other cars/ people/store fronts to focus on would be a GREAT start.
Maybe a few pics in a park? on grass? show its "assets" offf.... open them doors... lift that hood..etc
wide angled shots ..
IMHO it isnt that anyone isnt interested... Most of us are just dusting ourselves off as well from the winter.... ( cleaning yards, fliping snow removal equipment around the garage and replacing it with the lawn equipment.....)
lastly people are alot cautious with their $$, as you prolly already know, so selling big ticket items take their time moving.....
Try what i said, no ones looking for a camra pro , just to be tempted