The 2025 Toyota Sienna Hybrid and the 2025 Kia Carnival Hybrid are two prominent options in the minivan segment, both offering hybrid powertrains aimed at enhancing fuel efficiency for family transportation. Below is a detailed comparison of their specifications and features:
Towing Capacity:
Toyota Sienna Hybrid: Maintains a towing capacity of 3,500 pounds, consistent with its previous generation.
Kia Carnival Hybrid: Specific towing capacity details are not provided in the available sources.
Engine and Performance:
Toyota Sienna Hybrid:
Engine: 2.5-liter inline-four gasoline engine paired with electric motors.
Total System Power: Approximately 245 horsepower (183 kW).
Transmission: Continuously Variable Transmission (CVT).
Fuel Economy: EPA-estimated 36 mpg combined.
Kia Carnival Hybrid:
Engine: 1.6-liter turbocharged inline-four gasoline engine combined with an electric motor.
Total System Power: Approximately 242 horsepower (180 kW).
Transmission: 6-speed automatic transmission.
Fuel Economy: EPA-estimated 33 mpg combined.

Dimensions and Capacity:
Toyota Sienna Hybrid:
Seating Capacity: Up to 8 passengers.
Cargo Space: Up to 101 cubic feet behind the first row.
Kia Carnival Hybrid:
Seating Capacity: Up to 8 passengers.
Cargo Space: Up to 145.1 cubic feet behind the first row.
Features and Equipment:
Toyota Sienna Hybrid:
Infotainment: 9-inch touchscreen with Apple CarPlay and Android Auto compatibility.
Safety: Toyota Safety Sense 2.0 suite, including adaptive cruise control, lane departure alert, and pre-collision system.
Kia Carnival Hybrid:
Infotainment: 12.3-inch touchscreen with Apple CarPlay and Android Auto compatibility.
Safety: Kia Drive Wise suite, including forward collision-avoidance assist, blind-spot collision-avoidance assist, and rear cross-traffic collision-avoidance assist.
Pricing:
Toyota Sienna Hybrid: Starting MSRP around $35,000.
Kia Carnival Hybrid: Starting MSRP around $32,000.
Pros and Cons:
Toyota Sienna Hybrid:
Pros: Higher fuel efficiency, available all-wheel drive, comprehensive safety features.
Cons: Less cargo space compared to the Carnival, higher starting price.
Kia Carnival Hybrid:
Pros: Larger cargo capacity, more powerful engine, lower starting price.
Cons: Slightly lower fuel efficiency, no all-wheel drive option.
Conclusion: Both the 2025 Toyota Sienna Hybrid and the 2025 Kia Carnival Hybrid offer compelling features for families seeking fuel-efficient minivans. The Sienna emphasizes fuel economy and safety, while the Carnival provides greater cargo space and a more powerful engine. Prospective buyers should consider their specific needs, such as the importance of cargo capacity versus fuel efficiency, to determine the best fit.
Towing Capacity:
Toyota Sienna Hybrid: Maintains a towing capacity of 3,500 pounds, consistent with its previous generation.
Kia Carnival Hybrid: Specific towing capacity details are not provided in the available sources.
Engine and Performance:
Toyota Sienna Hybrid:
Engine: 2.5-liter inline-four gasoline engine paired with electric motors.
Total System Power: Approximately 245 horsepower (183 kW).
Transmission: Continuously Variable Transmission (CVT).
Fuel Economy: EPA-estimated 36 mpg combined.
Kia Carnival Hybrid:
Engine: 1.6-liter turbocharged inline-four gasoline engine combined with an electric motor.
Total System Power: Approximately 242 horsepower (180 kW).
Transmission: 6-speed automatic transmission.
Fuel Economy: EPA-estimated 33 mpg combined.

Dimensions and Capacity:
Toyota Sienna Hybrid:
Seating Capacity: Up to 8 passengers.
Cargo Space: Up to 101 cubic feet behind the first row.
Kia Carnival Hybrid:
Seating Capacity: Up to 8 passengers.
Cargo Space: Up to 145.1 cubic feet behind the first row.
Features and Equipment:
Toyota Sienna Hybrid:
Infotainment: 9-inch touchscreen with Apple CarPlay and Android Auto compatibility.
Safety: Toyota Safety Sense 2.0 suite, including adaptive cruise control, lane departure alert, and pre-collision system.
Kia Carnival Hybrid:
Infotainment: 12.3-inch touchscreen with Apple CarPlay and Android Auto compatibility.
Safety: Kia Drive Wise suite, including forward collision-avoidance assist, blind-spot collision-avoidance assist, and rear cross-traffic collision-avoidance assist.
Pricing:
Toyota Sienna Hybrid: Starting MSRP around $35,000.
Kia Carnival Hybrid: Starting MSRP around $32,000.
Pros and Cons:
Toyota Sienna Hybrid:
Pros: Higher fuel efficiency, available all-wheel drive, comprehensive safety features.
Cons: Less cargo space compared to the Carnival, higher starting price.
Kia Carnival Hybrid:
Pros: Larger cargo capacity, more powerful engine, lower starting price.
Cons: Slightly lower fuel efficiency, no all-wheel drive option.
Conclusion: Both the 2025 Toyota Sienna Hybrid and the 2025 Kia Carnival Hybrid offer compelling features for families seeking fuel-efficient minivans. The Sienna emphasizes fuel economy and safety, while the Carnival provides greater cargo space and a more powerful engine. Prospective buyers should consider their specific needs, such as the importance of cargo capacity versus fuel efficiency, to determine the best fit.