2025 Kia Niro vs 2026 Buick Encore GX
Comparison Overview
Choosing between the 2025 Kia Niro and the 2026 Buick Encore GX often boils down to prioritizing long-term running costs versus immediate space and polish. If massive fuel savings are your main concern, the Niro is the undisputed champion, boasting an impressive 53 combined MPG, a colossal 23 MPG advantage over the Encore GX's 30 combined MPG. While the Encore GX starts slightly cheaper at $25,900 compared to the Niro's $26,990 MSRP, that initial saving evaporates quickly given the Niro sips regular unleaded fuel far more efficiently. Performance is closely matched, with the Niro offering 139 hp versus the Buick's 137 hp, though the Niro pulls ahead slightly in torque (195 lb-ft vs 162 lb-ft). The Buick does counter with slightly more utility, offering 23.5 cubic feet of cargo capacity versus the Niro's 22.8 cu ft, alongside a notably taller stance at 64.1 inches high.
Size Comparison
Performance
Fuel Efficiency
Full Specifications
Our Verdicts
2025 Kia Niro
The Kia Niro's phenomenal 53 combined MPG offers drastically lower daily running costs for high-mileage drivers.
2026 Buick Encore GX
The 2026 Buick Encore GX offers slightly better overall utility with 23.5 cubic feet of cargo space and a taller ride height.
2025 Kia Niro
Despite modest power figures, the Kia Niro's superior torque output of 195 lb-ft gives it a slight edge in responsiveness.
2025 Kia Niro
While the MSRP difference is small, the fuel savings realized from the 23 MPG efficiency gap make the Niro a better long-term value proposition.
Choose the Kia Niro if...
- You drive a high volume of miles and prioritize fuel economy, aiming for 53 combined MPG.
- You prefer a vehicle that uses readily available regular unleaded fuel.
- You want slightly better pulling power due to the Niro's 195 lb-ft of torque.
Choose the Buick Encore GX if...
- You want the lowest initial purchase price, starting at $25,900 MSRP.
- You appreciate a slightly taller cabin height (64.1 inches) for easier entry and visibility.
- You need the maximum available cargo room, with 23.5 cu ft available behind the rear seats.
Key Dimensions
| Dimension | Kia Niro | Buick Encore GX |
|---|---|---|
| Length | 174.0" | 171.2" |
| Width | 71.8" | 71.4" |
| Height | 60.8" | 64.1" |
| Wheelbase | 107.1" | 102.0" |
Features Comparison
Safety
| Feature | Kia | Buick |
|---|---|---|
| Blind Spot Monitor | ✓ | ✓ |
| Lane Departure Warning | ✓ | ✓ |
| Lane Keeping Assist System | ✓ | ✓ |
| Rear Cross Traffic Alert | ✓ | ✓ |
| Driver Attention Alert | ✓ | — |
| Pre-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 | ✓ | ✓ |
| Headlight Delay-Off | ✓ | ✓ |
| 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 | ✓ | ✓ |
| Post-Collision Safety System | — | ✓ |
| Dual Rear Side-Mounted Airbags | — | ✓ |
| LED Headlights | — | ✓ |
Engine
| Feature | Kia | Buick |
|---|---|---|
| Base Engine Displacement | 1.6 L | 1.2 L |
| Number of Cylinders | inline 4 | inline 3 |
| Base Engine Type | hybrid | gas |
| Horsepower | 139 hp @ 5700 rpm | 137 hp @ 5000 rpm |
| Torque | 195 lb-ft @ 4000 rpm | 162 lb-ft @ 2500 rpm |
| Number of Valves | 16 | 12 |
| Camshaft Type | Double overhead cam (DOHC) | Double overhead cam (DOHC) |
| Variable Valve Timing | Variable | Variable |
| Fuel Injection Type | ✓ | ✓ |
Drive Train
| Feature | Kia | Buick |
|---|---|---|
| Transmission Type | 6-speed automated manual | continuously variable-speed automatic |
| Drivetrain Type | front wheel drive | front wheel drive |
| Hill Descent Control | ✓ | — |
Fuel
| Feature | Kia | Buick |
|---|---|---|
| Fuel Type | regular unleaded | flex-fuel (unleaded/E85) |
| EPA Fuel Economy (City/Highway) | 53/54 MPG | 30/31 MPG |
| EPA Fuel Economy (Combined) | 53 MPG | 30 MPG |
| EPA Driving Range (City/Highway) | 588.3/599.4 mi. | 396.0/409.2 mi. |
| Fuel Tank Capacity | 11.1 gal. | 13.2 gal. |
Comfort & Convenience
| Feature | Kia | Buick |
|---|---|---|
| Tilt and Telescopic Steering Wheel | ✓ | ✓ |
| Audio Controls on Steering Wheel | ✓ | ✓ |
| Cruise Control on Steering Wheel | ✓ | ✓ |
| Electric Power Steering | ✓ | ✓ |
| Rear View Camera | ✓ | ✓ |
| Cruise Control | ✓ | ✓ |
| Front Cupholders | ✓ | ✓ |
| Front Door Pockets | ✓ | ✓ |
| Rear Door Pockets | ✓ | ✓ |
| Front Seatback Storage | ✓ | ✓ |
| Dual Zone Climate Control | ✓ | — |
| Dual Vanity Mirrors | ✓ | ✓ |
| Push Button Start | — | ✓ |
| Rear Cupholders | — | ✓ |
| Leatherette Steering Wheel | — | ✓ |
| Single Zone Climate Control | — | ✓ |
| Rear Ventilation Ducts | — | ✓ |
| Interior Air Filtration | — | ✓ |
In Car Entertainment
| Feature | Kia | Buick |
|---|---|---|
| Infotainment Display | 8.0 in | 11.0 in |
| AM/FM Stereo | ✓ | ✓ |
| Speaker System | 6 | 6 |
| Android Auto (Wireless) | ✓ | ✓ |
| Apple CarPlay (Wireless) | ✓ | ✓ |
| USB Port | ✓ | ✓ |
| USB Port with External Media Control | ✓ | ✓ |
| Auxiliary Audio Input | — | ✓ |
| Satellite Radio | — | ✓ |
| Satellite Radio Trial Period | — | 3 months |
| Speed Sensitive Volume Control | — | ✓ |
Power Feature
| Feature | Kia | Buick |
|---|---|---|
| One-Touch Power Windows | 1 | 4 |
| Remote Keyless Entry | ✓ | — |
| Heated Mirrors | ✓ | ✓ |
| Keyless Entry | — | ✓ |
Frontseats
| Feature | Kia | Buick |
|---|---|---|
| Front Head Room | 40.5 in. | 39.7 in. |
| Front Leg Room | 41.5 in. | 40.9 in. |
| Front Shoulder Room | 56.2 in. | 55.4 in. |
| Front Hip Room | 53.3 in. | 51.9 in. |
| Seat Material: Cloth | ✓ | — |
| Front Seat Type: Bucket | ✓ | ✓ |
| Driver Seat Manual Adjustments | 6-way | 6-way |
| Driver Seat Height Adjustment | ✓ | ✓ |
| Passenger Seat Manual Adjustments | 6-way | 4-way |
| Passenger Seat Height Adjustment | ✓ | — |
| Seat Material: Leatherette/Cloth | — | ✓ |
Rearseats
| Feature | Kia | Buick |
|---|---|---|
| Rear Head Room | 39.5 in. | 38.1 in. |
| Rear Leg Room | 39.8 in. | 36.0 in. |
| Rear Shoulder Room | 55.4 in. | 53.6 in. |
| Rear Hip Room | 53.0 in. | 50.7 in. |
| Split-Folding Rear Seatback | ✓ | ✓ |
Tires and Wheels
| Feature | Kia | Buick |
|---|---|---|
| Wheel Finish | Painted Alloy | Painted Alloy |
| Wheel Size | 16 x 6.5 in | 18 x 7.5 in |
| Tire Type | All Season | All Season |
| Tire Size | P205/60R H | 225/55R18 |
Suspension
| Feature | Kia | Buick |
|---|---|---|
| Four-Wheel Independent Suspension | ✓ | — |
| Front Stabilizer Bar | ✓ | — |
| Rear Stabilizer Bar | ✓ | — |
| Front Suspension Type | — | Independent |
| Stabilizer Bar | — | ✓ |
Warranty
| Feature | Kia | Buick |
|---|---|---|
| Basic Warranty | 5 yr./ 60000 mi. | 3 yr./ 36000 mi. |
| Drivetrain Warranty | 10 yr./ 100000 mi. | 5 yr./ 60000 mi. |
| EV Battery Warranty | 10 yr./ 100000 mi. | — |
| Hybrid Component Warranty | 10 yr./ 100000 mi. | — |
| Corrosion/Rust Warranty | 5 yr./ 100000 mi. | 6 yr./ 100000 mi. |
| Roadside Assistance | 5 yr./ 60000 mi. | 5 yr./ 60000 mi. |
| Complimentary Scheduled Maintenance | — | 1 yr./ unlimited mi. |
Frequently Asked Questions
Common questions about comparing the 2025 Kia Niro and 2026 Buick Encore GX.
How big is the fuel economy difference between these two crossovers?
The difference is substantial: the 2025 Kia Niro achieves 53 combined MPG, while the 2026 Buick Encore GX manages only 30 combined MPG. This results in over 20 MPG savings in favor of the Niro on every gallon used.
Which vehicle is technically more powerful?
The power difference is marginal, but the Kia Niro has a slight advantage in torque, producing 195 lb-ft compared to the Encore GX's 162 lb-ft. Horsepower is nearly identical, with the Niro at 139 hp and the Buick at 137 hp.
Is the Buick Encore GX physically larger than the Kia Niro?
In key dimensions, the Encore GX is notably taller, measuring 64.1 inches high compared to the Niro's 60.8 inches. However, the Niro is slightly longer at 174.0 inches versus the Buick's 171.2 inches.
Does the transmission type affect driving experience?
Yes, the Niro uses a 6-speed automated manual, which can feel more traditional under acceleration. The Encore GX uses a continuously variable-speed automatic (CVT), which is typically smoother but can sometimes feel less direct during hard acceleration.
Which car offers more space for luggage?
The 2026 Buick Encore GX wins slightly on storage, offering 23.5 cubic feet of cargo capacity behind the rear seats. The 2025 Kia Niro provides a respectable 22.8 cubic feet in the same configuration.
Are there differences in the type of fuel required?
The Kia Niro exclusively uses regular unleaded gasoline. The 2026 Buick Encore GX is compatible with flex-fuel, meaning it can run on E85 ethanol blends as well as standard unleaded gasoline.
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