The Chevrolet Volt was the top-selling plug-in vehicle from the top six automakers in May, posting 1,680 units, compared to 481 in May 2011. Year-to-date sales for the Volt have risen to 7,057 units, compared to 2,184 units for the same period last year.
The Prius PHV plug-in hybrid followed, with 1,086 units sold, representing 5.1% of the 21,477 units of the full Prius family sold in May. (The Prius liftback accounted for 60.8% (13,053 units) of family sales; the Prius c, 17.2% (3,693); and the Prius v, 17.0% (3,645).)
Sales of the Nissan LEAF were 510 units in May 2012, down from the 1,142 units sold in May 2011. Calendar year-to-date sales for the LEAF are 2,613 units, up from 2,167 for the same period in 2011.
Combined sales of the Volt, Prius PHV and LEAF represented about 0.25% of total US light-duty vehicle sales (1,334,600 units, according to Autodata), or about 0.6% of the combined sales of GM, Toyota and Nissan. Volt sales represented 0.68% of all GM vehicle sales; Prius PHV represented 0.53% of all Toyota vehicles sales; and LEAF represented 0.56% of all Nissan vehicle sales.
Additionally in May, Ford delivered the first Focus Electric vehicles to retail customers.