Hyundai Elantra

The fifth-generation Elantra debuted at the 2010 Busan International Motor Show in April 2010. It is codenamed "MD" for the sedan. The design continues Hyundai's "fluidic sculpture" styling theme first seen in the 2011 Sonata. The new model went on sale in August 2010 in South Korea, and began selling between end of 2010 and early 2011 as a 2011 model.

Information provided by: http://en.wikipedia.org/wiki/Hyundai_Elantra#Fifth_generation_.282011.E2.80.93present.29

Note: Hyundai headunit model numbers do not alway match the model number of the vehicles. The MD1 model used a Hyundai Mobis 96170 headunit where as the MD2 used a Hyundai MD01 Headunit and for the following MD3 model, it had a Hyundai MD02 headunit.