Subframe for vehicle

A vehicle subframe mounted on a vehicle body, comprising:

• a body portion having an upper member and a lower member joined to the upper member below thereof, in which the upper member and the lower member are cooperatively to constitute a closed cross section;
• a plurality of support portions provided with respect to the body portion to support a plurality of suspension arms correspondingly;
• a first support portion, of the support portions, provided on a left side in a width direction and on a front side in a longitudinal direction of the vehicle body;
• a second support portion, of the support portions, provided on a right side in the width direction and on the front side in the longitudinal direction;
• a third support portion, of the support portions, provided on the left side in the width direction and on a rear side in the longitudinal direction;
• and
• a fourth support portion, of the support portions, provided on the right side in the width direction and on the rear side in the longitudinal direction, wherein
• a plurality of regions are defined in the body portion in a plan view, by a straight line connecting the first support portion and the fourth support portion and a straight line connecting the second support portion and the third support portion,
• the regions include a first region spreadly extending from an intersection point between the straight lines toward the left side in the width direction, a second region spreadly extending from the intersection point toward the right side in the width direction, a third region spreadly extending from the intersection point toward the front side in the longitudinal direction, and a fourth region spreadly extending from the intersection point toward the rear side in the longitudinal direction,
• a first hole portion is provided to straddle over the first region and the fourth region in at least one of the upper member and the lower member, and a second hole portion is provided to straddle over the second region and the fourth region in at least one of the upper member and the lower member, and
• the first hole portion and the second hole portion are disposed such that the area of the first hole portion in the plan view located in the first region is larger than an area thereof in the plan view located in the fourth region, and the area of the second hole portion in the plan view located in the second region is larger than an area thereof in the plan view located in the fourth region.