The 1988 Enzed Sandown 500 was an endurance race for Group 3A Touring Cars. The event was held at the Sandown International Raceway in Victoria, Australia on 11 September 1988 over 129 laps of the 3.9 km circuit, a total distance of 503 km. This was the last time that the 3.9 km International configuration of the Sandown circuit was used for Australian touring car racing. The race was the 23rd running of the "Sandown enduro". 1988 would be the only year that New Zealand based hydraulic hose and connector repair company Enzed, a former sponsor of Larry Perkins, would sponsor the event.