2025 Acura RDX vs 2025 Kia Niro Plug-In Hybrid
Comparison Overview
The most significant numerical divergence between the 2025 Acura RDX and the 2025 Kia Niro Plug-In Hybrid lies in their operational cost structure, reflected by a $10,210 difference in MSRP, with the RDX starting at $44,700 against the Niro PHEV's $34,490. Performance specifications also present a significant gap; the RDX delivers 272 hp and 280 lb-ft of torque, substantially exceeding the Niro PHEV's 180 hp and 195 lb-ft. This power differential is reflected in efficiency: the RDX achieves a combined 23 MPG (requiring premium fuel), whereas the Niro PHEV reaches a combined 48 MPG and offers a 33-mile electric range. Furthermore, the RDX is physically larger, measuring 187.4 inches in length compared to the Niro PHEV's 174.0 inches, contributing to the RDX's greater 29.5 cu ft of cargo capacity versus the Niro PHEV's 19.4 cu ft. The RDX employs an all-wheel-drive system mated to a 10-speed automatic, contrasting with the FWD, 6-speed automated manual setup in the Kia.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
Choose the Acura RDX if...
- Maximizing engine output, specifically achieving 272 hp and 280 lb-ft of torque, is a primary purchase criterion.
- Need for a standard all-wheel-drive system paired with a 10-speed transmission is essential for adverse road conditions.
- A vehicle length of 187.4 inches and maximum cargo volume of 29.5 cu ft are required.
Choose the Kia Niro Plug-In Hybrid if...
- Achieving a 48 MPG combined fuel economy and benefiting from a 33-mile electric range are top priorities.
- A budget constraint necessitates staying below a $35,000 entry price point.
- Fueling costs are a significant concern, as the Niro PHEV uses regular unleaded while the RDX recommends premium.
Key Dimensions
| Dimension | Acura RDX | Kia Niro Plug-In Hybrid |
|---|---|---|
| Length | 187.4" | 174.0" |
| Width | 74.8" | 71.8" |
| Height | 65.7" | 60.8" |
| Wheelbase | 108.3" | 107.1" |
Features Comparison
Safety
| Feature | Acura | 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 | ✓ | ✓ |
| Front Head Airbags | ✓ | ✓ |
| Rear 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 Solid Disc Brakes | ✓ | ✓ |
| Brake Assist | ✓ | ✓ |
| Tire Pressure Monitoring System | ✓ | ✓ |
| Automatic Headlights | ✓ | ✓ |
| LED Headlights | ✓ | — |
| Daytime Running Lights | ✓ | ✓ |
| Integrated Turn Signal Mirrors | ✓ | ✓ |
| Front Headrests | 2 | 2 |
| Front Height Adjustable Headrests | ✓ | ✓ |
| Rear Headrests | 3 | 3 |
| Rear Height Adjustable Headrests | ✓ | ✓ |
| Rear Center 3-Point Seatbelt | ✓ | ✓ |
| Anti-Theft Alarm System (Remote) | ✓ | ✓ |
| Engine Immobilizer | ✓ | ✓ |
| Driver Attention Alert | — | ✓ |
| Headlight Delay-Off | — | ✓ |
Engine
| Feature | Acura | Kia |
|---|---|---|
| Base Engine Displacement | 2.0 L | 1.6 L |
| Number of Cylinders | inline 4 | inline 4 |
| Base Engine Type | gas | plug-in hybrid |
| Horsepower | 272 hp @ 6500 rpm | 180 hp |
| Torque | 280 lb-ft @ 1600 rpm | 195 lb-ft |
| Number of Valves | 16 | 16 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Acura | Kia |
|---|---|---|
| Transmission Type | 10-speed shiftable automatic | 6-speed automated manual |
| Drivetrain Type | all wheel drive | front wheel drive |
| [object Object] | ✓ | — |
| [object Object] | ✓ | — |
| Hill Descent Control | — | ✓ |
Fuel
| Feature | Acura | Kia |
|---|---|---|
| Fuel Type | premium unleaded (recommended) | regular unleaded |
| EPA Fuel Economy (City/Highway) | 21/27 MPG | 49/47 MPG |
| EPA Fuel Economy (Combined) | 23 MPG | 48 MPG |
| EPA Driving Range (City/Highway) | 359.1/461.7 mi. | 480.2/460.6 mi. |
| Fuel Tank Capacity | 17.1 gal. | 9.8 gal. |
| EPA Efficiency (City/Highway MPGe) | — | 113/102 MPGe |
| EPA Efficiency (Combined MPGe) | — | 108 MPGe |
| EPA Electric Driving Range | — | 33 mi. |
| EPA Energy Consumption (kWh/100 mi) | — | 31 |
| Charging Time (240V) | — | 2.8 hr. |
| DC Fast Charging Port Type | — | SAE J1772 |
Comfort & Convenience
| Feature | Acura | Kia |
|---|---|---|
| Push Button Start | ✓ | ✓ |
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Transmission Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Wireless Charging Pad | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | ✓ |
| Universal Remote Transmitter | ✓ | — |
| Front Cupholders | ✓ | ✓ |
| Rear Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Overhead Console with Storage | ✓ | — |
| Front Seatback Storage | ✓ | ✓ |
| Leather Steering Wheel | ✓ | — |
| Dual Zone Climate Control | ✓ | ✓ |
| Rear Ventilation Ducts | ✓ | ✓ |
| Interior Air Filtration | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Auto-Dimming Rearview Mirror | ✓ | — |
| Turn Signal Indicators in Mirrors | ✓ | ✓ |
| Rear Parking Sensors | — | ✓ |
| Leatherette Steering Wheel | — | ✓ |
| Extended Cabin Heating/Cooling | — | ✓ |
In Car Entertainment
| Feature | Acura | Kia |
|---|---|---|
| Infotainment Display | 10.2 in | 10.3 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 9 | 6 |
| Subwoofer Count | 1 | 1 |
| Android Auto (Wireless) | ✓ | — |
| Apple CarPlay (Wireless) | ✓ | — |
| USB Port | ✓ | ✓ |
| Auxiliary Audio Input | ✓ | — |
| USB Port with External Media Control | ✓ | ✓ |
| Satellite Radio | ✓ | With Real Time Traffic |
| Satellite Radio Trial Period | 3 months | 3 months |
| Speed Sensitive Volume Control | ✓ | — |
| Android Auto (Wired) | — | ✓ |
| Apple CarPlay (Wired) | — | ✓ |
Power Feature
| Feature | Acura | Kia |
|---|---|---|
| One-Touch Power Windows | 4 | 1 |
| Moonroof Type | 1st Row Power Glass | — |
| Keyless Entry | ✓ | ✓ |
| Reverse Tilt Passenger Mirror | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
Frontseats
| Feature | Acura | Kia |
|---|---|---|
| Front Head Room | 40.0 in. | 40.5 in. |
| Front Leg Room | 42.0 in. | 41.5 in. |
| Front Shoulder Room | 60.0 in. | 56.2 in. |
| Front Hip Room | 55.0 in. | 53.3 in. |
| Seat Material: Leatherette | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Power Adjustments | 8-way | 8-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Driver Seat Lumbar Support | Power | Power |
| Passenger Seat Power Adjustments | 8-way | — |
| Passenger Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Lumbar Support | Power | — |
| Driver Seat Heating | Multi-level | Multi-level |
| Passenger Seat Heating | Multi-level | Multi-level |
| Seat Material: Leatherette/Cloth | — | ✓ |
| Passenger Seat Manual Adjustments | — | 6-way |
Rearseats
| Feature | Acura | Kia |
|---|---|---|
| Rear Head Room | 38.0 in. | 39.5 in. |
| Rear Leg Room | 38.0 in. | 39.8 in. |
| Rear Shoulder Room | 57.0 in. | 55.4 in. |
| Rear Hip Room | 50.0 in. | 53.0 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
| Folding Center Armrest | ✓ | ✓ |
Tires and Wheels
| Feature | Acura | Kia |
|---|---|---|
| Wheel Finish | Painted Alloy | Painted Alloy |
| Wheel Size | 19 x 8.0 in | 16 x 6.5 in |
| Tire Type | All Season | All Season |
| Tire Size | 235/55R19 | P205/60R H |
| Spare Tire Type | Temporary | — |
| Spare Tire Location | Inside Mounted | — |
Suspension
| Feature | Acura | Kia |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | ✓ |
| Front Stabilizer Bar | ✓ | — |
| Rear Stabilizer Bar | ✓ | — |
| Stabilizer Bar | — | ✓ |
Warranty
| Feature | Acura | Kia |
|---|---|---|
| Basic Warranty | 4 yr./ 50000 mi. | 5 yr./ 60000 mi. |
| Drivetrain Warranty | 6 yr./ 70000 mi. | 10 yr./ 100000 mi. |
| Corrosion/Rust Warranty | 5 yr./ unlimited mi. | 5 yr./ 100000 mi. |
| Roadside Assistance | 4 yr./ 50000 mi. | 5 yr./ 60000 mi. |
| Complimentary Scheduled Maintenance | 1 yr./ 12000 mi. | — |
| EV Battery Warranty | — | 10 yr./ 100000 mi. |
| Hybrid Component Warranty | — | 10 yr./ 100000 mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Acura RDX and 2025 Kia Niro Plug-In Hybrid.
How much more powerful is the 2025 Acura RDX compared to the 2025 Kia Niro Plug-In Hybrid?
The Acura RDX generates 272 horsepower, which is 92 hp more than the Kia Niro PHEV’s 180 horsepower output. This translates to a torque advantage of 85 lb-ft for the Acura (280 vs. 195).
What is the practical difference in efficiency between the two crossovers?
The Kia Niro PHEV delivers a 48 MPG combined rating, dramatically exceeding the RDX’s 23 MPG combined figure. The Niro further offers 33 miles of pure electric operation before engaging the gas engine.
Is the increased size of the RDX reflected meaningfully in cargo space?
Yes, the RDX's 187.4-inch length allows for 29.5 cubic feet of cargo capacity, whereas the smaller 174.0-inch Niro PHEV only offers 19.4 cubic feet.
Does the base price difference account for the difference in mandated fuel type?
The $10,210 price discrepancy is compounded by fuel requirements; the RDX requires premium unleaded, potentially raising running costs, while the Niro PHEV runs on regular unleaded.
Which vehicle utilizes a system better suited for inclement weather driving?
The 2025 Acura RDX is equipped with all-wheel drive, while the 2025 Kia Niro Plug-In Hybrid is front-wheel drive, giving the RDX an inherent advantage in traction management.
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