One simply does not speak of the luxury/ super sedan segment without mentioning the BMW M5, the progenitor of the very segment. Tracing its origins back to the 1980s, the M5 is yet to lose its splendor that it has basked in for all this time. The M5 started it all and still maintains the same air of luxury and performance to accompany the executive man, only this time it is refined to its utmost magnificence. Truly, it has perfected the art of subtlety.A bit less of practicality, and a lot more of thrill. After all, the 4-doors emulate the actual missiles that come from the Mercedes GT lineup. The GT53 4-Door is the middle child in the 4-Door lineup, with the GT63 and GT63S coming right above it.The GT53 is more appropriately priced in accordance with our bite size yet is not so modest as to be seen with sore eyes. The latest and greatest in Mercedes technology makes their newer interiors incredibly tech dense.