The 2025 Kia Carnival is powered by a 3.5-liter V-6 engine that produces 287 horsepower, with an eight-speed automatic transmission. The 2025 Carnival comes in its new version with front-wheel drive only, and the 2025 Carnival offers a hybrid engine version with a 1.6-liter hybrid transmission. A turbocharged liter producing 242 horsepower, the refined V-6 delivers acceleration