Abstract: Road vehicle comprising: four wheels, at least a pair of them being drive wheels; a passenger compartment configured to accommodate at least a driver; a vehicle body comprising a front portion and a rear portion relative to the passenger compartment along a travel direction; a powertrain system; a central aerodynamic channel at least partially arranged under the passenger compartment along a central longitudinal axis of the road vehicle; wherein the central aerodynamic channel seamlessly extends from a first aperture arranged in the area of the front portion to a second aperture arranged in the area of the rear portion of the vehicle body; wherein the powertrain system is at least partially arranged laterally to the central aerodynamic channel.