Before you buy a used Renault 21 you should be aware of the common faults or wear items specific to the Renault 21 that you should check for. Our research amongst the experts that work on the Renault 21 everyday has identified the essential engine checks, interior items that you need to ensure work, wear items to spot on the Renault 21 suspension, areas on the bodywork to inspect, and information about official recalls of the Renault 21.