Both engines feature Toyota's variable valve timing with intelligence (VVT-i) system, which helps optimize power and efficiency through the entire operating range.The Camry Hybrid pairs an Atkinson-cycle 2.4L inline-4 gasoline engine making 147 horsepower with a 40-horsepower electric motor system--together producing a combined 187 horsepower, which places the Hybrid above the standard Camry 4-cylinder in terms of power.