2013 Sonata Hybrid

Hyundai has released the 2013 Hyundai Sonata Hybrid in America. It looks identical to its predecessor, but the 2013 model boasts an upgraded Hybrid Blue Drive powertrain for better economy.

The improved architecture optimises electric-only driving by adding a larger capacity 10.5 kW Hybrid Starter Generator (HSG), higher output 35 kW electric motor, a more powerful 47 kW lithium polymer battery pack and an optimised hybrid operating strategy.

These upgrades are paired with a 2.4L Theta II four-cylinder engine that now runs on a more efficient Atkinson cycle and an enhanced transmission to generate 206 total horsepower. All work together for better fuel efficiency, while better kinetic energy recovery and increased charging efficiency allows longer and more frequent running in all-electric mode.

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As in previous Sonata Hybrids, the 2013 car features a clutch to decouple the engine from the drivetrain. When in pure electric mode, the Sonata Hybrid can be driven electrically up to 120 km/h.

Despite being more powerful and energy dense, the lithium polymer battery weighs less and takes up less boot space, which is up from 303 to 343 litres.

All the above improvements result in an EPA estimated fuel economy rating of 15.3 km/l (36 mpg) city, 17.01 km/l (40 mpg) highway and 16.16 km/l (38 mpg) combined.