Models also known as Trim Levels, are used to identify a vehicle's level of equipment or special features.
The 2007 Chevrolet Silverado SS has an average owner rating of 4.37 out of 5 which ranks it #15 of 21 other Full Size Pickup Trucks.
The 2007 Chevrolet Silverado SS has a combined MPG of 19 which ranks it #2 of 9 other Full Size Pickup Trucks.
From the Vehicle History blog