An electric vehicle includes an electric-vehicle battery tray including a frame member elongated along a vehicle-longitudinal axis. The electric vehicle includes a rocker rail elongated along the vehicle-longitudinal axis. The electric vehicle includes a subframe. The electric vehicle includes a bracket connecting the battery tray, the rocker rail, and the subframe.

A vehicle underbody includes a system of connected unitized underbody components including a front quadrant system having a left front unitized underbody component and a right front unitized underbody component, a center system, and a rear quadrant system having a left rear unitized underbody component and a right rear unitized underbody component. A first rail element is loosely connected to the left front unitized underbody component and the left rear unitized underbody component, and a second rail element is loosely connected to the right front unitized underbody component and the right rear unitized underbody component.

In an embodiment, a vehicle body structure includes a dash cross member disposed on an upper surface of a dash floor in a lateral direction of a vehicle. A lower side member is coupled to a lower side of the dash floor to face the dash cross member and coupled to a side wall of a side sill. A body mounting bracket is provided under the lower side member and coupled to a frame.

A vehicle body structure includes a system of connected unitized body structure components, with at least one of the system of connected unitized body structure components including a hollow portion.

According to an embodiment, a vehicle front structure includes a front pillar and a front side member positioned forward of the front pillar and extending in a longitudinal direction of a vehicle. A side sill is connected to a lower end of the front pillar and a rear lower member connected to a rear portion of the front side member, a front portion of the side sill, and a middle portion of the front pillar.

A vehicle-body front structure includes a partition wall portion which demarcates a vehicle cabin inside space, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin, a panel reinforcement that is provided to a surface of the partition wall portion on the inside of the vehicle cabin and has a portion which extends in a vehicle width direction so as to surround at least a part of a periphery of the motor arrangement portion, and a central reinforcement which is provided to the surface of the partition wall portion on the inside of the vehicle cabin and extends from an intermediate portion of the panel reinforcement in the vehicle width direction to vehicle rear.

A vehicle-body front structure includes a partition wall portion which is provided to extend in a vehicle width direction in a vehicle front portion, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin and in which at least a part of a traveling motor is capable of being arranged, and a reinforcement member which extends from the motor arrangement portion to vehicle rear. A rear portion of the reinforcement member is mounted on a inside-unit member which is provided in the battery unit.

A vehicle-body front structure includes a partition wall portion which demarcates a vehicle cabin inside space, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin and in which at least a part of a traveling motor is capable of being arranged, and a reinforcement member which extends from an upper portion of the motor arrangement portion to vehicle rear and is inclined to be positioned lower toward the vehicle rear. A rear portion of the reinforcement member is mounted on a floor panel and a lid body of a battery unit.

A vehicle-front body structure includes a partition wall portion which demarcates a vehicle cabin inside space, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin and in which at least a part of a traveling motor is capable of being arranged, a cross member which is fixed to a floor panel on a vehicle rear side of the motor arrangement portion and extends in a vehicle width direction, and a reinforcement member which couples the motor arrangement portion and the cross member together.

A vehicle-body front structure for an electric vehicle includes a front-side battery frame which extends in a vehicle width direction, a pair of left and right side frames which extend from the front-side battery frame to a vehicle front to be positioned on vehicle-width-direction outer sides, a left-side support mounted on the front-side battery frame and supports the left side frame from the vehicle-width-direction outer side, and a right-side support mounted on the front-side battery frame and supports the right side frame from the vehicle-width-direction outer side.