The Silverado EV comes with a 200.0-kWh Ultium battery that in the Hummer EV gets an EPA-estimated 329 miles combined on a full charge, 212.7 kWh of useable energy and 47 MPGe combined. While we don't know yet what the figures will be for the Silverado, these newly released stats give us a good idea of what to expect. Odd are we'll see range that peaks at 350 miles combined.