Air drag reduced by 10 per cent. Volkswagen was able to lower the air drag of the Golf by developing very specific measures such as reducing the volume of cooling air (via a radiator shutter and partially closed-off radiator grille), new underbody panelling, rear body modifications with a rear spoiler and C-pillar air guides, and by developing new aerodynamic wheels (essentially closing off gaps, making the wheels flush with the car's exterior). Whereas on the standard Golf (1.6 TDI with 77 kW) air drag is 0.686 m², air drag was reduced to 0.615 m² on the e-Golf, which represents a 10 per cent improvement. Correspondingly, the cD value was lowered to 0.281.
Rolling resistance reduced by 10 per cent. Volkswagen was able to achieve another positive effect on energy consumption and range by optimising the tyres (205/55 R16 91 Q). Reducing the rolling resistance coefficient from 7.2 per 1,000 (Golf BlueMotion) to 6.5 per 1,000 for the e-Golf (likewise an improvement of 10 per cent) also improves the range.