variant

a vehicle of the same type where: (a) the basic characteristics of the bodywork shape are the same; (b) the propulsion and propulsion configuration are the same; (c) if a combustion engine is part of the propulsion, the engine operating cycle is the same; (d) the number and arrangement of cylinders are the same; (e) the type of gearbox is the same; (f) the difference in mass in running order between the lowest value and the highest value does not exceed 20 % of the lowest value; (g) the difference in the maximum permissible mass between the lowest value and the highest value does not exceed 20 % of the lowest value; (h) the difference in the cylinder capacity of the power unit (in the case of a combustion unit) between the lowest value and the highest value does not exceed 30 % of the lowest value; and (i) the difference in the power output of the power unit between the lowest value and the highest value does not exceed 30 % of the lowest value;