Tata Sierra EV AWD confirmed: Tata Motors has teased the Sierra EV ahead of its June 30 debut, confirming that the electric SUV will get a dual-motor all-wheel-drive setup. The model is expected to use the Harrier EV’s acti.ev+ architecture and may come with 65kWh and 75kWh battery options, with AWD confirmed for one of the variants after the latest teaser.