Most car companies have not yet gotten the hang of software. Use the central stack in a modern Volkswagen, Honda, Audi or Mercedes and you’ll find it’s a far cry from smartphone-grade tech.

The revised BMW i5 promises an 8-9% efficiency improvement thanks to several smaller upgrades. Depending on the version, the WLTP range will increase by up to 29 miles (47 km). EPA figures aren't ...