Prices are falling across the market, with Tesla models up to $20,000 cheaper than two years ago, and BYD making strong inroads.

The rear-drive E07 ($64,900) is priced between a Tesla Model Y RWD and Long Range, and $11,000 dearer than the related Deepal S07 electric mid-size SUV. The same money in a 'normal' diesel dual-cab ...