Vehicle sill reinforcement

A reinforcement comprising:

• an intermediate portion;
• a first lobe having a first wall extending from the intermediate portion to a first end;
• a second lobe having a second wall extending from the intermediate portion to a second end;
• the first and second ends abutting opposite surfaces of the intermediate portion;
• and
• the first end and the second end extending from a respective transition toward each other along the intermediate portion.

A sill assembly comprising:

• a sill elongated along an axis;
• and
• a reinforcement disposed in the sill;
• the reinforcement, in cross-section transverse to the axis, including an intermediate portion, a first lobe having a first wall extending from the intermediate portion to a first end and defining a first cavity, and a second lobe having a second wall extending from the intermediate portion to a second end and defining a second cavity;
• the first and second ends abutting opposite surfaces of the intermediate portion;
• and
• a bracket extending transverse to the axis from the first lobe to the second lobe, the bracket disposed external to both the first cavity and the second cavity and connected to both the first lobe and the second lobe.