sentences:  The vehicles went on sale on 29 October 2013.The A1 competition kits include adhesive film decals, vibrant paint finishes, exterior add-on parts, and a matching interior, available under the Audi Genuine Accessories (AOZ) program.The 'competition kit Aerodynamic' includes a front spoiler lip, side sills, rear diffuser and – depending on the vehicle configuration – sport exhaust tips.