TANK ATTACHMENT STRUCTURE

The tank attachment structure includes a floor panel () having a raised portion () and an opening () protruding toward a passenger compartment, a tank () disposed inside the raised portion (), a plurality of upper bands () configured to cover the tank () from above, a lower plate () connected to the upper bands (), and a pair of cross members () provided in front of and behind the tank () and extending in the vehicle width direction. The lower plate () has a width dimension greater than that of the upper bands () in a vehicle width direction and is provided by the number smaller than that of the upper bands () to cover the opening (). A front end portion () and a rear end portion () of the lower plate () are attached to the pair of cross members (), respectively.