Wholesale and retail trade and repair of motor vehicles and motorcycles Standard Industrial Classification (SIC) codes of UK-based importers and exporters 45111 - Sale of new cars and light motor vehicles (7039) 45112 - Sale of used cars and light motor vehicles (54765) 45190 - Sale of other motor vehicles (10215) 45200 - Maintenance and repair of motor vehicles (74580) 45310 - Wholesale trade of motor vehicle parts and accessories (9844) 45320 - Retail trade of motor vehicle parts and accessories (19408) 45400 - Sale, maintenance and repair of motorcycles and related parts and accessories (5460)