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Energy Systems Division

Energy Systems D3 2011 Hyundai Sonata

front view of 2011 Hyundai Sonata Hybrid
2011 Hyundai Sonata - front view
rear view of 2011 Hyundai Sonata Hybrid
2011 Hyundai Sonata - rear view

The MY2011 Hyundai Sonata represents a P2 hybrid platform, allowing for operation of its gasoline engine, electric motor or any desired combination of the two. The vehicle is constructed with a 2.4L Atkinson-Cycle engine and an AC synchronous motor each with the ability to independently drive the 6 speed automatic transmission. This architecture allows for a higher electric-only vehicle speeds (tested at 81 mph) and increased engine-off operating capability over power split hybrid architectures.

Key Technology

  • Significant engine-off operating capability
  • High speed EV only operation due to pre-transmission located electric motor
  • Lithium polymer battery

Data and Reports