The new Carnival Hybrid rates at 33 mpg combined, versus 21 mpg combined for the base model The Carnival Hybrid costs $2,000 more than a similarly equipped gas-only Carnival The Toyota Sienna and its standard hybrid powertrain lead the minivan pack at 36 mpg combined The 2025 Kia Carnival Hybrid earns an EPA-estimated 33 mpg combined, according to...
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