Audi RS6 Avant review. CGR Garage reviews the AUDI RS6 AVANT Matchbox car from Mattel which is a yellow 2004 Audi RS6 station wagon with black interior and Matchbox car style wheels. CGR Garage Audi RS6 Avant video review shows up close details of this toy collectible Audi which is the faster version of the standard Audi A6 Avant wagon. Collectors should enjoy the quality detail and craftsmanship of this model Audi car featured on CGR Garage!