A straddle-type vehicle comprising: a frame (20, 25) defining a front end and a rear end; a wheel assembly including a pair of front wheels and a pair of rear wheels arranged under the frame (20, 25); an engine (10, 15) mounted on the frame (20, 25) for providing power to the vehicle, which comprises a main body and a cylinder head (11, 151) connected to the main body and positioned above the main body the cylinder head (11, 151) including an exhaust port for discharging exhaust gas; an intake and exhaust system, comprising an intake assembly for supplying air to the engine (10, 15) and an exhaust assembly for discharging exhaust gas generated by the engine (10, 15) the exhaust assembly including an exhaust pipe connected to the cylinder head (11, 151) and a tubular muffler (35, 421) connected to the exhaust pipe (152, 422); a brake system associated with the wheel assembly, comprising a parking assembly and a brake assembly; a transmission system mounted on the frame (20, 25) for transmitting power from the engine (10, 15) to the wheel assembly; a fuel system arranged at the front end of the frame (20, 25) for providing fuel to the engine (10, 15); and a saddle seat supported on the frame (20, 25) and located above the engine (10, 15); wherein the engine (10, 15) is oriented with its cylinder head (11, 151) positioned toward the rear end of the frame (20, 25), and an opening direction of the exhaust port faces towards the tubular muffler (35, 421), characterized in that a horizontal distance between the cylinder head (11, 151) and a front axle of the vehicle is defined as L e, and a horizontal distance between the cylinder head (11, 151) and a rear axle of the vehicle is defined as L f, wherein L e ≥2L f. a frame (20, 25) defining a front end and a rear end; a wheel assembly including a pair of front wheels and a pair of rear wheels arranged under the frame (20, 25); an engine (10, 15) mounted on the frame (20, 25) for providing power to the vehicle, which comprises a main body and a cylinder head (11, 151) connected to the main body and positioned above the main body the cylinder head (11, 151) including an exhaust port for discharging exhaust gas; an intake and exhaust system, comprising an intake assembly for supplying air to the engine (10, 15) and an exhaust assembly for discharging exhaust gas generated by the engine (10, 15) the exhaust assembly including an exhaust pipe connected to the cylinder head (11, 151) and a tubular muffler (35, 421) connected to the exhaust pipe (152, 422); a brake system associated with the wheel assembly, comprising a parking assembly and a brake assembly; a transmission system mounted on the frame (20, 25) for transmitting power from the engine (10, 15) to the wheel assembly; a fuel system arranged at the front end of the frame (20, 25) for providing fuel to the engine (10, 15); and a saddle seat supported on the frame (20, 25) and located above the engine (10, 15); wherein the engine (10, 15) is oriented with its cylinder head (11, 151) positioned toward the rear end of the frame (20, 25), and an opening direction of the exhaust port faces towards the tubular muffler (35, 421), characterized in that a horizontal distance between the cylinder head (11, 151) and a front axle of the vehicle is defined as L e, and a horizontal distance between the cylinder head (11, 151) and a rear axle of the vehicle is defined as L f, wherein L e ≥2L f.