The total weight comes in at a feathery 1.6 metric tons, with the batteries accounting for 661.39lbs (300kg) of it.

ENGADGET: Audi A3 e-tron hands-on (video) Hands-on

Ranking companies on a single metric, like sales, can be misleading, which is why Forbes uses a composite ranking, giving equal weight to sales, profits, assets and market value.

FORBES: VW Is Already The World's Leading Automaker