第二代CR200J与上一代相比有诸多改进。首先，车体断面改为鼔型，车厢宽度和坐席与CR300和CR400系列相同，由3105 mm加宽至3360 mm，坐席宽度也将大幅度加宽，车辆间距缩短到800mm，风挡改为对波橄榄型双层折棚风挡，提高车体气密性，拖车空调机组原有一车两台的改为一台，车厢高度仍保持4433 mm，是目前国内最“胖”的单层列车，另外，虽然车体宽度增加，但整体重量控制相较于第一代更优。座位数及布局与CR200J第一代保持不变，但坐席宽度有所增加，且乘客使用的充电插座由坐席下部改为与CR300/400系列相同的位置，即二等座插座位于座椅接缝处下方，一等座位于中央扶手。
在安全性和舒适性等方面还有多项改进，拖车控制网络由Lonwork改为Ethernet以太网，网络控制系统提升互联、互通和互控功能，动力车、拖车、控制车故障报警信息互通，形成统一的列车监测信息网。通讯、重联连接器采用矩形连接器，同时所有连接器插接采用螺栓固定方式，DC600V使用2个矩形连接器，正负极分开。车门由电控气动改为电控电动塞拉门，取消低站台停靠功能，取消站台补偿器。
初期生产三组试验车，其中包括株洲+浦镇CR200J-2201（FXD1-J0201）、大连+唐山CR200J-1201（FXD3-J0201）、大同+四方CR200J-4201（FXD3-J8201）三组。
CR200J1-B EMU Train was born in April 2020, belongs to the CR200J(2.0) series, 1M8T in marshalling, the hole length is 232.4 m, has a maximum design speed of 160 km/h, .
CR200J2-B EMU Train was born in April 2020, belongs to the CR200J(2.0) series, 1M8T in marshalling, the hole length is 232.4 m, has a maximum design speed of 160 km/h, .
CR200J3-B EMU Train was born in April 2020, belongs to the CR200J(2.0) series, 1M8T in marshalling, the hole length is 232.4 m, has a maximum design speed of 160 km/h, .
CR200JS-G EMU Train was born in April 2021, belongs to the CR200J(2.0) series, 3M9T in marshalling, the hole length is 309 m, has a maximum design speed of 160 km/h, and 176 km/h in the experiment .
LCR200J3-B EMU Train was born in May 2021, belongs to the CR200J(2.0) series, 1M8T in marshalling, the hole length is 232.4 m, has a maximum design speed of 160 km/h, .
CR200J3-B (Direct to Laos) EMU Train was born in October 2021, belongs to the CR200J(2.0) series, 1M8T in marshalling, the hole length is 232.4 m, has a maximum design speed of 160 km/h, .
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列车开往的方向并不重要，
重要的是窗外的风景和看风景的心情。
处在嘈杂的动态中，
却是静而细腻的心思。
