When considering used Acura MDX models, there are certain years that have had more reported issues or concerns than others. One model year to potentially avoid is the 2014 Acura MDX. While it offers a refined driving experience and a luxurious interior, some owners have reported issues with the transmission, particularly harsh shifting or hesitation during acceleration. Another year to approach with caution is the 2016 Acura MDX. This model year saw complaints about the infotainment system, with some owners experiencing glitches or malfunctions. Additionally, there were reports of premature brake wear in some vehicles. However, it's important to note that individual experiences may vary, and thorough research and a professional inspection are always recommended before purchasing any used vehicle.