A vehicle comprising: an engine compartment or engine room; and an engine system, wherein the engine system comprises: an engine; and an engine intake system, the engine is accommodated in the engine compartment or engine room, a front side of the engine compartment or engine room is opened to introduce travel wind, and the engine intake system comprises, in the engine compartment or engine room: an intake pipe configured to extend rearward of the vehicle along or on a lateral side of the engine, configured to extend behind or run around to a rear side of the engine, and configured to introduce air into the engine; a separation wall (36, 38a) configured to be disposed between the engine and the intake pipe; and a travel wind guiding member that has a vertical wall portion opposing the separation wall (36, 38a) with the intake pipe being interposed therebetween and configured to guide the travel wind introduced in the engine compartment or engine room to cause the travel wind to flow along the intake pipe on an outer side of the separation wall (36, 38a), characterized in that the travel wind guiding member includes an eaves portion at an upper end of the vertical wall portion, the eaves portion being bulged to an upper side of the intake pipe, and a lower portion of the vertical wall portion is fixed to the separation wall (36, 38a). an engine compartment or engine room; and an engine system, wherein the engine system comprises: an engine; and an engine intake system, the engine is accommodated in the engine compartment or engine room, a front side of the engine compartment or engine room is opened to introduce travel wind, and an engine; and an engine intake system, the engine is accommodated in the engine compartment or engine room, a front side of the engine compartment or engine room is opened to introduce travel wind, and the engine intake system comprises, in the engine compartment or engine room: an intake pipe configured to extend rearward of the vehicle along or on a lateral side of the engine, configured to extend behind or run around to a rear side of the engine, and configured to introduce air into the engine; a separation wall (36, 38a) configured to be disposed between the engine and the intake pipe; and a travel wind guiding member that has a vertical wall portion opposing the separation wall (36, 38a) with the intake pipe being interposed therebetween and configured to guide the travel wind introduced in the engine compartment or engine room to cause the travel wind to flow along the intake pipe on an outer side of the separation wall (36, 38a), characterized in that the travel wind guiding member includes an eaves portion at an upper end of the vertical wall portion, the eaves portion being bulged to an upper side of the intake pipe, and a lower portion of the vertical wall portion is fixed to the separation wall (36, 38a). an intake pipe configured to extend rearward of the vehicle along or on a lateral side of the engine, configured to extend behind or run around to a rear side of the engine, and configured to introduce air into the engine; a separation wall (36, 38a) configured to be disposed between the engine and the intake pipe; and a travel wind guiding member that has a vertical wall portion opposing the separation wall (36, 38a) with the intake pipe being interposed therebetween and configured to guide the travel wind introduced in the engine compartment or engine room to cause the travel wind to flow along the intake pipe on an outer side of the separation wall (36, 38a), characterized in that the travel wind guiding member includes an eaves portion at an upper end of the vertical wall portion, the eaves portion being bulged to an upper side of the intake pipe, and a lower portion of the vertical wall portion is fixed to the separation wall (36, 38a).