Vehicle Year and Model

C_d

Area (m² )

Area (ft² )

C_d x m²

C_d x ft²

'80 Spider

0.400

1.649

17.75

0.66

7.10

'82 Spider Turbo

0.400

1.649

17.75

0.66

7.10

'80 X 1/9

0.380

1.548

16.66

0.59

6.33

'82 X 1/9

0.380

1.548

16.66

0.59

6.33

'89 Bertone X 1/9

0.380

1.558

16.77

0.59

6.37