First Drive: 2016 Hyundai Sonata PHEV and HEV
Green Car Congress
MAY 26, 2015
The second-generation hybrid system has been thoroughly enhanced from its predecessor: The downsized GDI engine features an aluminum block and head, a compression ratio of 13.5:1, EV mode, or all-electric battery charge depleting mode, can handle speeds up to approximately 75 mph (121 km/h). Maximum EV speed (mph). Drive modes.
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