Vehicle body front structure

A vehicle body front structure comprising:

• front side frames in a pair extending in a front-rear direction of a vehicle body on a left side and a right side of the vehicle body respectively;
• upper side frames in a pair disposed respectively on both sides of a power unit room in a vehicle width direction and extending along the power unit room;
• a radiator support disposed in a front portion of the power unit room and joined to respective front ends of the upper side frames;
• and
• a lower frame disposed below the front side frames and supported by the front side frames, wherein
• the vehicle body front structure comprises:
• lower side frame extension members in a pair, the lower side frame extension members extending from a front end of the lower frame toward a front side of the vehicle body and having a front end portion protruding forward of the radiator support;
• and
• gussets in a pair, the gussets extending from the front end of the lower frame toward the front side of the vehicle body and each having a front end disposed outside a front end of a corresponding one of the front side frames in the vehicle width direction.