A coefficient will be assigned by evaluating the period in the car was designed and the historical, technical and sporting characteristics of the individual models, on the basis of the following criteria:
the year the model first took part in the Mille Miglia;
the c.c. of the vehicle;
the category (Sport, Gran Turismo or Turismo) of the vehicle;
bonus points if the car actually took part or was entered for the original Mille Miglia speed races (this must be fully documented by the entrant). In this case the bonus points apply to the coefficient calculated for the year the specific car took part in the Mille Miglia.
In order to make the calculation of coefficients as objective as possible, the following mathematical formula has been put together, and thus, the final coefficient of the car will be calculated by using the partial coefficients as shown in the tables below. In order to obtain the final coefficient, it will be necessary to insert the partial coefficients for model, period, class, category, and in some cases the chassis bonus into this formula:
Period Coefficient.
This decreases from 1927 to 1957. The 24 historic editions are divided into seven historic periods, each one characterised by a significant change in the specific regulations of the race (RPG) and/or by the introduction of relevant technological innovations.
c.class
Class Coefficient.
This decreases with decreasing nominal displacement (c.c.) calculated without taking into consideration the possible existence of a compressor.
c.category
Category Coefficient.
= 0 for Sports Cars;
= 0,10 for Gran Turismo Cars;
= 0,20 for Touring Cars;
bonus
= 0,10 if this particular car (based on chassis number) has really participated in a historic Mille Miglia Speed Race.
= 0,05 if this particular car (based on chassis number) was entered in a historic Mille Miglia Speed Race, but did not participate.
PERIOD
C.PERIOD
C.CLASS
≤750 cc
≤1100 cc
>1100 cc
1927 - 1929
0,35
0,20
0,35
1930 - 1934
0,30
1935 - 1940
0,25
0,15
0,20
1947 - 1949
0,15
1950 - 1952
0,10
1953 - 1955
0,07
1956 - 1957
0,05
The coefficient assigned to the car will be visible on-line along with entry acceptance, and will also be confirmed in the entry acceptance letter.