A vehicle structure (100; 400; 500; 700; 800) comprising a portion (102; 402; 502; 702; 802) extending in a longitudinal direction , wherein the portion (102; 402; 502; 702; 802) comprises a first member extending in the longitudinal direction , and a second member extending in the longitudinal direction , wherein the first member is configured to face an inside of a vehicle, wherein the second member is configured to face an outside of the vehicle, wherein the first and second members are attached to one another such that the first and second members form a closed space , wherein the portion (102; 402; 502; 702; 802) comprises one or more first tubular reinforcement members (104; 604; 304; 704; 804) located in the closed space , the first tubular reinforcement member (104; 604; 304; 704; 804) having a longitudinal extension extending in the longitudinal direction , wherein the first tubular reinforcement member (104; 604; 304; 704; 804) is corrugated and comprises corrugations, wherein the corrugations of the first tubular reinforcement member (104; 604; 304; 704; 804) comprise annular ridges (118; 618; 318; 828) and annular grooves (120; 620; 320; 820); the vehicle structure being characterised in that the portion comprises one or more second tubular reinforcement members located in the closed space , wherein the second tubular reinforcement member has a longitudinal extension extending in the longitudinal direction , wherein the second tubular reinforcement member is corrugated and comprises corrugations, wherein the second tubular reinforcement member forms an inner space , and wherein the first tubular reinforcement member is located in the inner space formed by the second tubular reinforcement member . a first member extending in the longitudinal direction , and a second member extending in the longitudinal direction , wherein the first member is configured to face an inside of a vehicle, wherein the second member is configured to face an outside of the vehicle, wherein the first and second members are attached to one another such that the first and second members form a closed space , wherein the portion (102; 402; 502; 702; 802) comprises one or more first tubular reinforcement members (104; 604; 304; 704; 804) located in the closed space , the first tubular reinforcement member (104; 604; 304; 704; 804) having a longitudinal extension extending in the longitudinal direction , wherein the first tubular reinforcement member (104; 604; 304; 704; 804) is corrugated and comprises corrugations, wherein the corrugations of the first tubular reinforcement member (104; 604; 304; 704; 804) comprise annular ridges (118; 618; 318; 828) and annular grooves (120; 620; 320; 820); the vehicle structure being characterised in that the portion comprises one or more second tubular reinforcement members located in the closed space , wherein the second tubular reinforcement member has a longitudinal extension extending in the longitudinal direction , wherein the second tubular reinforcement member is corrugated and comprises corrugations, wherein the second tubular reinforcement member forms an inner space , and wherein the first tubular reinforcement member is located in the inner space formed by the second tubular reinforcement member . <EOS>