Compare the2025 Kia Sportage PHEVVS 2025 Buick Encore GX

Over 200 people are killed each year when backed over by motor vehicles. The Sportage PHEV X-Line Prestige has standard Parking Collision Avoidance-Reverse that uses rear sensors to monitor for objects to the rear and automatically applies the brakes to prevent a collision. The Encore GX doesn’t offer backup collision prevention brakes.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the Sportage PHEV. But it costs extra on the Encore GX.

When descending a steep, off-road slope, the Sportage PHEV’s standard Downhill Brake Control allows you to creep down safely. The Encore GX doesn’t offer Downhill Brake Control.

Both the Sportage PHEV and Encore GX have rear cross-traffic warning, but the Sportage PHEV has Rear Cross-Traffic Collision-Avoidance Assist (automatically applies the brakes) to better prevent a collision when backing near traffic. The Encore GX’s Rear Cross Traffic Alert doesn’t automatically brake.

The Sportage PHEV’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Encore GX doesn’t offer a driver alert monitor.

Both the Sportage PHEV and the Encore GX have standard driver and passenger frontal airbags, front and rear side-impact airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning and available around view monitors.

The Kia Sportage PHEV weighs 971 to 1266 pounds more than the Buick Encore GX. The NHTSA advises that heavier vehicles are much safer in collisions than their significantly lighter counterparts.

The Kia Sportage PHEV achieved a “Top Safety Pick” rating from the Insurance Institute for Highway Safety (IIHS) for the 2024 model year. This recognition was based on its impressive performance in the small overlap frontal crash test, updated side impact crash test, headlight evaluations, and pedestrian crash prevention testing. The Encore GX is not a “Top Safety Pick” for 2024.

The Sportage PHEV comes with a full 5-year/60,000-mile basic warranty, which covers the entire truck and includes 24-hour roadside assistance. The Encore GX’s 3-year/36,000-mile basic warranty expires 2 years or 24,000 miles sooner.

Kia’s powertrain warranty covers the Sportage PHEV 5 years and 40,000 miles longer than Buick covers the Encore GX. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the Encore GX ends after only 5 years or 60,000 miles.

A hardened steel chain, with no maintenance needs, drives the camshafts in the Sportage PHEV’s engine. A rubber cam drive belt that needs periodic replacement drives the Encore GX’s camshafts. If the Encore GX’s belt breaks, the engine could be severely damaged when the pistons hit the opened valves.

J.D. Power and Associates’ 2024 Initial Quality Study of new car owners surveyed provide the statistics that show that Kia vehicles are better in initial quality than Buick vehicles. J.D. Power ranks Kia fourth in initial quality, above the industry average. With 1 more problems per 100 vehicles, Buick is ranked fifth.

From surveys of all its subscribers, Consumer Reports’ March 2025 Auto Issue reports that Kia vehicles are more reliable than Buick vehicles. Consumer Reports ranks Kia 2 places higher in reliability than Buick.

The Sportage PHEV’s 1.6 turbo 4-cylinder hybrid produces 124 more horsepower (261 vs. 137) and 96 lbs.-ft. more torque (258 vs. 162) than the Encore GX’s standard 1.2 turbo 3-cylinder. The Sportage PHEV’s 1.6 turbo 4-cylinder hybrid produces 106 more horsepower (261 vs. 155) and 84 lbs.-ft. more torque (258 vs. 174) than the Encore GX’s optional 1.3 turbo 3-cylinder.

As tested in Car and Driver the Kia Sportage PHEV is faster than the Buick Encore GX 1.3 turbo 3-cylinder:

On the EPA test cycle the Sportage PHEV running on electricity gets better mileage than the Encore GX:

On the EPA test cycle the Sportage PHEV running its gasoline engine gets better mileage than the Encore GX:

The Sportage PHEV can travel with zero emissions for 34 miles. The Encore GX can’t move without running its internal combustion engine.

The Sportage PHEV has a standard locking fuel door which locks and unlocks with the power locks. The fuel filler door is not lockable on the Encore GX. A locking fuel door helps prevent fuel theft and vandalism, such as sugar in the tank.

For better stopping power the Sportage PHEV’s brake rotors are larger than those on the Encore GX:

The Sportage PHEV stops shorter than the Encore GX:

For better traction, the Sportage PHEV has larger tires than the Encore GX (235/55R19 vs. 225/55R18).

For better ride, handling and brake cooling the Sportage PHEV has standard 19-inch wheels. Smaller 18-inch wheels are standard on the Encore GX.

For superior ride and handling, the Kia Sportage PHEV has fully independent front and rear suspensions. An independent suspension allows the wheels to follow the road at the best angle for gripping the pavement, without compromising ride comfort. The Buick Encore GX has a rear torsion beam axle, with a semi-independent rear suspension.

The Sportage PHEV has standard front and rear stabilizer bars, which help keep the Sportage PHEV flat and controlled during cornering. The Encore GX’s suspension doesn’t offer a rear stabilizer bar.

For a smoother ride and more stable handling, the Sportage PHEV’s wheelbase is 6.5 inches longer than on the Encore GX (108.5 inches vs. 102 inches).

For better handling and stability, the track (width between the wheels) on the Sportage PHEV is 2.7 inches wider in the front and 2.6 inches wider in the rear than on the Encore GX.

The Sportage PHEV X-Line Prestige handles at .84 G’s, while the Encore GX Avenir AWD pulls only .81 G’s of cornering force in a Car and Driver skidpad test.

For greater off-road capability the Sportage PHEV has a greater minimum ground clearance than the Encore GX (8.3 vs. 7.5 inches), allowing the Sportage PHEV to travel over rougher terrain without being stopped or damaged.

The Sportage PHEV has .5 inches more front legroom, 2.9 inches more front hip room, 2.1 inches more front shoulder room, 3.5 inches more rear legroom, 2.7 inches more rear hip room and 2 inches more rear shoulder room than the Encore GX.

For enhanced passenger comfort on long trips the Sportage PHEV’s rear seats recline. The Encore GX’s rear seats don’t recline.

The Sportage PHEV has a much larger cargo volume with its rear seat up than the Encore GX with its rear seat up (34.5 vs. 23.5 cubic feet). The Sportage PHEV has a much larger cargo volume with its rear seat folded than the Encore GX with its rear seat folded (65.5 vs. 50.2 cubic feet).

The Sportage PHEV’s standard towing capacity is much higher than the Encore GX’s (2000 vs. 1000 pounds).

Standard Trailer Stability Assist on the Sportage PHEV uses the Electronic Stability Control sensors to detect trailer sway, then uses individual brakes to counteract any swaying and help keep the tow vehicle and trailer steady. The Encore GX doesn’t offer electronic trailer sway control.

The Sportage PHEV’s front power windows open or close with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside of the car. The Encore GX’s front passenger window doesn’t close automatically.

On a hot day the Sportage PHEV’s driver can lower all the windows from a distance using the keyless remote. The driver of the Encore GX can only operate the windows from inside the vehicle, with the ignition on.

Heated windshield washer nozzles are standard on the Sportage PHEV X-Line Prestige to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Encore GX doesn’t offer heated windshield washer nozzles.

Standard air-conditioned seats in the Sportage PHEV X-Line Prestige keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The Encore GX doesn’t offer air-conditioned seats.

The Sportage PHEV has a standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. Dual zone air conditioning is only available on the Encore GX Avenir.

Both the Sportage PHEV and the Encore GX offer rear vents. For greater rear passenger comfort, the Sportage PHEV has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Encore GX doesn’t offer rear air conditioning vents, only heat vents.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Kia Sportage PHEV has a standard wireless phone charging system (Qi) in the center console. Wireless charging costs extra on the Encore GX.

The Sportage PHEV X-Line Prestige’s Smart Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. Remote Smart Parking Assist will park and retrieve your car remotely: press a button and watch it park itself. This is ideal for tight locations. The Encore GX doesn’t offer an automated parking system.

J.D. Power and Associates rated the Sportage PHEV third among compact suvs in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The Encore GX isn’t in the top three in its category.

The Kia Sportage outsold the Buick Encore GX by almost three to one during 2024.