Heavy-Duty Handling/Trailering Suspension Package, Heavy-Duty Trailering Package (Retail) (Heavy-Duty Rear Automatic Locking Differential), 4-Speed Automatic with Overdrive, and Dark Titanium w/Cloth Seat Trim. Trophy Nissan is delighted to offer this dependable 2011 Chevrolet Silverado 1500. They say silence is golden. You'll know what they meant when you drive this truck at highway speeds. Road noise is a thing of the past. New Car Test Drive said, ...a smooth ride and confident handling while delivering superior capability and power...among the smoothest riding and quietest of all full-size pickups, and can be counted on to get the job done... Consumer Guide Recommended Large Pickup.