January was the first full month of sales for both Nissan Leaf and Chevrolet Volt.
Without further ado, the numbers are:
Volt: 321 (plus 326 in December, for a total of 647)
Leaf: 87 (plus 19 in December, 106 total)
Volt has been on sale in the U.S. market since mid-December 2010, and displaced the Toyota Prius as the most fuel-efficient car sold in the United States. According to the Automaker, Volt is capable to travel 25 to 50 miles (40 to 80 km) on a 16 kW·h (10.4 kW·h usable) lithium-ion battery; The United States Environmental Protection Agency (EPA) found in tests using varying driving conditions and climate controls, the all-electric range averaged 35 miles (56 km), with an energy consumption of 36kWh per 100 miles (810 kJ/km), and the total range (using battery power first then electricity generated by the on-board gasoline-power generator) is 379 miles (610 km).
Leaf was introduced in Japan and the U.S. in December 2010. The Leaf is the first mass-produced electric car for sale from a major manufacturer. TheUnited States Environmental Protection Agency determined the range to be 117 kilometres (73 mi), with an energy consumption of 765 kJ/km (34 kWh per 100 miles) and rated the Leaf’s combined fuel economy at 99 miles per gallon gasoline equivalent.