The Autumn Ridge is a travel trailer manufactured by Starcraft instead of Forest River.
Twelve models of this series were made. Thus, you will need the model number plus options and location to find a value.
Step-by-step instructions follow. We used the Starcraft Autumn Ridge [M-325RLSA] for this example:
Select = [RVs]
Manufacturer = [Starcraft]
Year = 
Model = [Autumn Ridge Series / M-325RLSA]
Zip Code = 
Options = [Select]
[Get Base Pricing]
Low Retail = $14750
Average Retail = $17750