Welcome to the forum. I was under the impression that all 2011's came with 20" wheels.
2011 Nitro Heat 4x4: Bright Silver Metallic
, Dark Slate Gray
; Customer Preferred Package 24C; Trailer Tow Group; Hood-to-Fender Stripes; Navus 2; Uconnect.
: Sunroof; S/S Nerf Bars; Mopar
CAI, Pedal Kit, Chrome Rear License Plate Brow, Chrome Exterior Package, Production Style Cross Bars, Deluxe Molded Splash Guards, Cargo Security Cover, Door Sills & 3.7L Emblem; Media Center 430; Kicker Speakers; Carbon Fiber Dash Kits; Heated Katzkin Leather.
: Kicker Sub.