Chevrolet says the E-Ray can produce 655 combined horsepower and 595 lb-ft of torque from the 6.2L LT2 V8 and the electric motor.
The 6.2L LT2 V8 produces 495 horsepower and 470 lb-ft of torque on its own. While the electric motor produces an additional 160 horsepower and 125 lb-ft of torque.
media.chevrolet.com
A near immediate feeling of thrust from low-end torque is core to the Corvette driving experience, and the E-Ray packs plenty of it. Power comes from the 6.2L LT2 Small Block V-8, putting 495 horsepower and 470 lb-ft of torque to the rear axle. It is complemented by an electric motor that channels an additional 160 horsepower and 125 lb-ft of torque through the front wheels via a 1.9 kWh battery pack, which is located between the seats. In total, E-Ray produces a combined 655 horsepower from both the electric motor and Small Block V-8.
The 6.2L LT2 V8 produces 495 horsepower and 470 lb-ft of torque on its own. While the electric motor produces an additional 160 horsepower and 125 lb-ft of torque.

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Chevrolet Pressroom
A near immediate feeling of thrust from low-end torque is core to the Corvette driving experience, and the E-Ray packs plenty of it. Power comes from the 6.2L LT2 Small Block V-8, putting 495 horsepower and 470 lb-ft of torque to the rear axle. It is complemented by an electric motor that channels an additional 160 horsepower and 125 lb-ft of torque through the front wheels via a 1.9 kWh battery pack, which is located between the seats. In total, E-Ray produces a combined 655 horsepower from both the electric motor and Small Block V-8.