1、
IG_UI_CN = {
IGUI_VehicleNameCarLights = "富兰克林 克雷斯达 安达塔 FTP",
IGUI_VehicleNameCarLightsPolice = "骑士 泰坦",
IGUI_VehicleNameCarNormal = "骑士 泰坦",
IGUI_VehicleNameCarNormalSmashedFront = "骑士 泰坦（前脸损毁）",

IGUI_VehicleNameCarNormalSmashedRear = "骑士 泰坦（后尾损毁）",
IGUI_VehicleNameCarNormalSmashedLeft = "骑士 泰坦（左侧损毁）",
IGUI_VehicleNameCarNormalSmashedRight = "骑士 泰坦（右侧损毁）",

IGUI_VehicleNameSmallCar = "富兰克林 哈瓦那",

IGUI_VehicleNamePickUpTruck ="骑士 D20皮卡",
IGUI_VehicleNamePickUpTruckLights ="骑士 D20皮卡（带灯）",
IGUI_VehicleNamePickUpTruckLightsFire ="骑士 D20皮卡（带灯-消防）",
IGUI_VehicleNamePickUpTruckMccoy ="骑士 D20皮卡（麦考伊版）",

IGUI_VehicleNamePickUpVan = "达斯 巴克货车",
IGUI_VehicleNamePickUpVanSmashedFront = "骑士 食人魔货车（前脸损毁）",
IGUI_VehicleNamePickUpVanSmashedRear = "骑士 食人魔货车（后尾损毁）",
IGUI_VehicleNamePickUpVanSmashedLeft = "骑士 食人魔货车（左侧损毁）",
IGUI_VehicleNamePickUpVanSmashedRight = "骑士 食人魔货车（右侧损毁）",

IGUI_VehicleNamePickUpVanLights ="骑士 地精货车（带灯）",
IGUI_VehicleNamePickUpVanLightsFire ="箭牌 灭火器（带灯-消防）",
IGUI_VehicleNamePickUpVanLightsPolice ="骑士 阶梯式货车（带灯-警用）",
IGUI_VehicleNamePickUpVanMccoy ="帕祖祖 N5货车（麦考伊版）",

IGUI_VehicleNameVanAmbulance ="富兰克林 经济型救护车",
}
2、
IG_UI_CN = {

IGUI_VehicleNameCarLights = "富兰克林·克雷斯特·安达塔 FTP版",
IGUI_VehicleNameCarLightsPolice = "富兰克林·克雷斯特·安达塔",
IGUI_VehicleNameCarNormal = "骑士泰坦",

IGUI_VehicleNameSmallCar = "富兰克林·哈瓦那",

IGUI_VehicleNamePickUpTruck = "骑士D20皮卡",
IGUI_VehicleNamePickUpTruckLights = "骑士D20警用皮卡",
IGUI_VehicleNamePickUpTruckLightsFire = "骑士D20消防皮卡",
IGUI_VehicleNamePickUpTruckMccoy = "骑士D20（麦考伊版）皮卡",

IGUI_VehicleNamePickUpVan = "达仕巴克厢式货车",
IGUI_VehicleNamePickUpVanLights = "骑士小鬼厢式货车（警灯版）",
IGUI_VehicleNamePickUpVanLightsFire = "箭牌洒水厢式货车（消防版）",
IGUI_VehicleNamePickUpVanLightsPolice = "骑士运货步车（警用版）",
IGUI_VehicleNamePickUpVanMccoy = "帕祖祖N5厢式货车（麦考伊版）",

IGUI_VehicleNameVanAmbulance = "富兰克林·阿福德兰奇救护车",
}
Please correct me if there are any issues.

Looks good! Thank you for providing the translation. I'll be updating the mod soon with this.

Edit: If something isn't correct with the translation in-game feel free to say so.