2025 Toyota Sienna vs 2026 Kia Carnival
Comparison Overview
The 2025 Toyota Sienna bursts onto the scene, leaning hard into efficiency with a stellar 36 combined MPG, demanding attention with its hybrid commitment while offering 245 hp. Conversely, the 2026 Kia Carnival flexes its muscle, boasting a more potent 287 hp and a cavernous 40.2 cu ft of cargo space, albeit at the cost of fuel economy, netting only 21 combined MPG. While both are large family haulers measuring just over 203 inches in length, the Sienna’s efficiency advantage is massive—a difference of 15 MPG over the Carnival. However, the Carnival offers significantly more hauling capability upfront. The Sienna's starting MSRP is slightly higher at $39,485 compared to the Carnival's $36,990, creating a fascinating trade-off between long-term running costs and immediate power output for prospective buyers.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Toyota Sienna
The 2025 Toyota Sienna is the clear winner for commuters due to its segment-leading 36 combined MPG.
2026 Kia Carnival
The 2026 Kia Carnival wins for families needing maximum space, offering 40.2 cu ft of cargo capacity compared to 33.5 cu ft in the Sienna.
2026 Kia Carnival
Enthusiasts will prefer the Carnival for its punchier 287 hp and 260 lb-ft of torque channeled through a traditional 8-speed automatic transmission.
2026 Kia Carnival
The 2026 Kia Carnival presents better initial value with a lower MSRP of $36,990 and greater immediate power.
Choose the Toyota Sienna if...
- Your daily commute demands maximum fuel savings, leveraging the Sienna's 36 MPG efficiency.
- You prefer the smooth, consistent delivery of a continuously variable-speed automatic transmission.
- You prioritize a lower environmental footprint with a dedicated hybrid powertrain.
Choose the Kia Carnival if...
- You need outright hauling capacity, as the Carnival provides an impressive 40.2 cu ft of cargo space.
- You enjoy spirited driving dynamics afforded by the 287 hp engine.
- You want the lowest initial purchase price, starting at $36,990.
Key Dimensions
| Dimension | Toyota Sienna | Kia Carnival |
|---|---|---|
| Length | 203.7" | 203.0" |
| Width | 78.5" | 78.5" |
| Height | 68.5" | 68.5" |
| Wheelbase | 120.5" | 121.7" |
Features Comparison
Safety
| Feature | Toyota | Kia |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | ✓ |
| Lane Keeping Assist System | ✓ | ✓ |
| Rear Cross Traffic Alert | ✓ | ✓ |
| Pre-Collision Safety System | ✓ | ✓ |
| Post-Collision Safety System | ✓ | ✓ |
| Dual Front Side-Mounted Airbags | ✓ | ✓ |
| Dual Rear Side-Mounted Airbags | ✓ | — |
| Front Head Airbags | ✓ | ✓ |
| Rear Head Airbags | ✓ | ✓ |
| Third Row Head Airbags | ✓ | ✓ |
| Passenger Airbag Occupant Sensing Deactivation | ✓ | ✓ |
| Electronic Stability Control | ✓ | ✓ |
| Traction Control System | ✓ | ✓ |
| LATCH System | ✓ | ✓ |
| Rear Door Child Safety Locks | ✓ | ✓ |
| Anti-lock Brakes (ABS) | 4-Wheel | 4-Wheel |
| Front Ventilated Disc Brakes | ✓ | ✓ |
| Rear Ventilated Disc Brakes | ✓ | — |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| LED Headlights | ✓ | ✓ |
| Daytime Running Lights | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 3 | 2 |
| Rear Height Adjustable Headrests | ✓ | ✓ |
| Rear Center 3-Point Seatbelt | ✓ | — |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Driver Attention Alert | — | ✓ |
| Rear Solid Disc Brakes | — | ✓ |
| Headlight Delay-Off | — | ✓ |
| Integrated Turn Signal Mirrors | — | ✓ |
Engine
| Feature | Toyota | Kia |
|---|---|---|
| Base Engine Displacement | 2.5 L | 3.5 L |
| Number of Cylinders | inline 4 | V6 |
| Base Engine Type | hybrid | gas |
| Horsepower | 245 hp @ 6000 rpm | 287 hp @ 6400 rpm |
| Number of Valves | 16 | 24 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
| Torque | — | 260 lb-ft @ 5000 rpm |
Drive Train
| Feature | Toyota | Kia |
|---|---|---|
| Transmission Type | continuously variable-speed automatic | 8-speed shiftable automatic |
| Drivetrain Type | front wheel drive | front wheel drive |
| Hill Descent Control | — | ✓ |
Fuel
| Feature | Toyota | Kia |
|---|---|---|
| Fuel Type | regular unleaded | regular unleaded |
| EPA Fuel Economy (City/Highway) | 36/36 MPG | 18/25 MPG |
| EPA Fuel Economy (Combined) | 36 MPG | 21 MPG |
| EPA Driving Range (City/Highway) | 648.0/648.0 mi. | 342.0/475.0 mi. |
| Fuel Tank Capacity | 18.0 gal. | 19.0 gal. |
Comfort & Convenience
| Feature | Toyota | Kia |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Wireless Charging Pad | ✓ | — |
| Adaptive Cruise Control | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| 3rd Row Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Overhead Console with Storage | ✓ | — |
| Front Seatback Storage | ✓ | ✓ |
| Three Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts with Fan Control | ✓ | ✓ |
| Interior Air Filtration | ✓ | ✓ |
| Dual Vanity Mirrors | ✓ | ✓ |
| Front Parking Sensors | — | ✓ |
| Rear Parking Sensors | — | ✓ |
| Manual Rear Seat Easy Entry | — | ✓ |
| Extended Cabin Heating/Cooling | — | ✓ |
| Turn Signal Indicators in Mirrors | — | ✓ |
In Car Entertainment
| Feature | Toyota | Kia |
|---|---|---|
| Infotainment Display | 8.0 in | 12.3 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 6 | 6 |
| Android Auto (Wireless) | ✓ | ✓ |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | ✓ |
| Satellite Radio Trial Period | 3 months | 3 months |
Power Feature
| Feature | Toyota | Kia |
|---|---|---|
| One-Touch Power Windows | 4 | 1 |
| Remote Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Keyless Entry | — | ✓ |
Frontseats
| Feature | Toyota | Kia |
|---|---|---|
| Front Head Room | 40.1 in. | 40.9 in. |
| Front Leg Room | 40.3 in. | 41.1 in. |
| Front Shoulder Room | 62.4 in. | 64.2 in. |
| Front Hip Room | 59.6 in. | 59.8 in. |
| Seat Material: Cloth | ✓ | ✓ |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | — |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Manual Adjustments | 4-way | 4-way |
| Driver Seat Manual Adjustments | — | 6-way |
Rearseats
| Feature | Toyota | Kia |
|---|---|---|
| Rear Head Room | 39.3 in. | 39.5 in. |
| Rear Leg Room | 39.9 in. | 40.5 in. |
| Rear Shoulder Room | 62.7 in. | 63.2 in. |
| Rear Hip Room | 66.2 in. | 66.4 in. |
| Split-Folding Rear Seatback | ✓ | — |
| Reclining Rear Seats | ✓ | ✓ |
| Manual Folding Third Row Seat | ✓ | ✓ |
| Folding Rear Seatback | — | ✓ |
Tires and Wheels
| Feature | Toyota | Kia |
|---|---|---|
| Wheel Material | Alloy | — |
| Wheel Diameter | 17 in | — |
| Tire Type | All Season | All Season |
| Tire Size | P235/65R17 | P235/65R |
| Wheel Finish | — | Painted Alloy |
| Wheel Size | — | 17 x 6.5 in |
| Spare Tire Type | — | Temporary |
| Spare Tire Location | — | Underbody Mounted |
Suspension
| Feature | Toyota | Kia |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | ✓ |
| Rear Stabilizer Bar | ✓ | ✓ |
Warranty
| Feature | Toyota | Kia |
|---|---|---|
| Basic Warranty | 3 yr./ 36000 mi. | 5 yr./ 60000 mi. |
| Drivetrain Warranty | 5 yr./ 60000 mi. | 10 yr./ 100000 mi. |
| Hybrid Component Warranty | 8 yr./ 100000 mi. | — |
| Corrosion/Rust Warranty | 5 yr./ unlimited mi. | 5 yr./ 100000 mi. |
| Roadside Assistance | 2 yr./ unlimited mi. | 5 yr./ 60000 mi. |
| Complimentary Scheduled Maintenance | 2 yr./ 25000 mi. | — |
Frequently Asked Questions
Common questions about comparing the 2025 Toyota Sienna and 2026 Kia Carnival.
How significant is the fuel economy gap between the 2025 Sienna and 2026 Carnival?
The difference is substantial; the Sienna achieves 36 combined MPG, while the Carnival is rated at only 21 combined MPG. This represents a 15 MPG advantage for the Toyota over the Kia in mixed driving.
Which vehicle offers more outright performance?
The 2026 Kia Carnival delivers 287 hp and 260 lb-ft of torque, significantly outpacing the 2025 Toyota Sienna’s 245 hp output.
Does the drivetrain affect the driving feel?
Yes, the Sienna uses a hybrid system with a continuously variable-speed automatic transmission for efficiency, whereas the Carnival uses a conventional 8-speed shiftable automatic paired with its higher horsepower engine for a more traditional shifting experience.
Is the 2026 Carnival actually cheaper than the 2025 Sienna?
Based on MSRP, the Kia Carnival has the lower entry price at $36,990 compared to the Sienna's $39,485. This initial saving must be weighed against potential long-term fuel costs.
Which minivan provides superior space for gear?
The 2026 Kia Carnival is the clear winner for cargo volume, offering 40.2 cubic feet behind the rear seats, substantially more than the Sienna’s 33.5 cubic feet.
Are the exterior dimensions vastly different between these two models?
No, the exterior dimensions are nearly identical; both vehicles share the same width (78.5 inches) and height (68.5 inches), with the Sienna being slightly longer at 203.7 inches versus the Carnival's 203.0 inches.
More Mid-Range Minivans ($30k-$50k)
View allVehicle Details
Compare More Vehicles
Use our interactive comparison tool to compare up to 4 vehicles at once
Open Comparison Tool