The electric Sierra is the long waited electric version of the popular Sierra truck, which will launch in the popular Denali trim. It is the third all electric car in GMC’s electric line up following its Hummer line-up. The vehicle will comes with a GM estimated range of 400 miles on a full electric drive. Recommendation: Charge quickly at home and keep your EV battery topped up as quickly possible to maximize your all electric range with a level 2 240 volt EV charger. The NEMA 14-50 40 amp 9.6 kWh is our recommended GMC Sierra EV charger. It is the fastest, residential plug-in charge possible. Charge times are fast. From a 50% battery (in practice when most EV owners re-charge), the car will be fully charged in around 10 hours with a NEMA 14-50 40 amp 9.6 kWh GMC Sierra EV charger.