Compare the2026 Buick Encore GXVS 2026 Mazda CX-30

The Buick Encore GX offers an optional HD Surround Vision and it also offers an optional rear camera washer to make backing always safe, regardless of road dirt or grime, while the Mazda CX-30 doesn’t offer a camera washer, requiring manual cleaning.

Both the Encore GX and the CX-30 have standard driver and passenger frontal airbags, front and rear side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front and rear 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 National Highway Traffic Safety Administration does 35 MPH front crash tests on new vehicles. In this test, results indicate that the Buick Encore GX is safer than the Mazda CX-30:

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

The National Highway Traffic Safety Administration does side impact tests on new vehicles. In this test, which crashes the vehicle into a flat barrier at 38.5 MPH and into a post at 20 MPH, results indicate that the Buick Encore GX is safer than the Mazda CX-30:

New test not comparable to pre-2011 test results. More stars = Better. Lower test results = Better.

The Encore GX’s corrosion warranty is 1 year longer than the CX-30’s (6 vs. 5 years).

There are over 71 percent more Buick dealers than there are Mazda dealers, which makes it much easier should you ever need service under the Encore GX’s warranty.

To reliably power the ignition and other systems and to recharge the battery, the Encore GX has a 130-amp alternator. The CX-30’s standard 100-amp alternator isn’t as powerful.

J.D. Power and Associates rated the Encore GX first among small suvs in their 2025 Initial Quality Study. The CX-30 isn’t in the top three in its category.

J.D. Power and Associates’ 2025 Initial Quality Study of new car owners surveyed provide the statistics that show that Buick vehicles are better in initial quality than Mazda vehicles. J.D. Power ranks Buick above average in initial quality. With 42 more problems per 100 vehicles, Mazda is rated below average.

J.D. Power and Associates’ 2025 survey of the owners of three-year-old vehicles provides the statistics that show that Buick vehicles are more reliable than Mazda vehicles. J.D. Power ranks Buick second in reliability, above the industry average. With 18 more problems per 100 vehicles, Mazda is ranked third.

On the EPA test cycle the Encore GX gets better mileage than the CX-30:

Regenerative brakes improve the Encore GX’s fuel efficiency by converting inertia back into energy instead of wasting it. The CX-30 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Encore GX’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. If the conditions warrant or the driver wishes, the system can be manually disabled at any time for the duration of a trip. The CX-30 doesn’t offer an automatic engine start/stop system.

To lower fuel costs and make buying fuel easier, the Buick Encore GX uses regular unleaded gasoline. The CX-30 with the 2.5 turbo 4-cylinder engine requires premium for maximum efficiency, which can cost on average about 84.9 cents more per gallon.

The Encore GX has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The CX-30 doesn’t offer a cap-less fueling system.

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Buick Encore GX higher (6 out of 10) than the Mazda CX-30 (4 to 6). This means the Encore GX produces up to 12.1 pounds less smog-producing pollutants than the CX-30 every 15,000 miles.

A nine-speed automatic is standard on the Buick Encore GX 1.3 turbo 3-cylinder AWD, for better acceleration and lower engine speed on the highway. Only a six-speed automatic is available for the CX-30.

The Encore GX has a standard continuously variable transmission (CVT). With no “steps” between gears, it can keep the engine at the most efficient speed for fuel economy, or keep it at its peak horsepower indefinitely for maximum acceleration. The CX-30 doesn’t offer a CVT.

For better stopping power the Encore GX’s front brake rotors are larger than those on the CX-30:

The Encore GX stops shorter than the CX-30:

For better traction, the Encore GX has larger standard tires than the CX-30 (225/55R18 vs. 215/65R16). The Encore GX’s optional tires are larger than the largest tires available on the CX-30 (245/45R19 vs. 215/65R16).

The Encore GX’s standard tires provide better handling because they have a lower 55 series profile (height to width ratio) that provides a stiffer sidewall than the CX-30 2.5 S’ standard 65 series tires. The Encore GX’s optional tires have a lower 45 series profile than the CX-30 Select/Preferred/Carbon/Aire/Premium’s 55 series tires.

For better ride, handling and brake cooling the Encore GX has standard 18-inch wheels. Smaller 16-inch wheels are standard on the CX-30 2.5 S. The Encore GX’s optional 19-inch wheels are larger than the 18-inch wheels on the CX-30 Select/Preferred/Carbon/Aire/Premium.

The Encore GX has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The CX-30 doesn’t offer vehicle monitored tire inflation.

The Encore GX AWD handles at .84 G’s, while the CX-30 pulls only .83 G’s of cornering force in a Car and Driver skidpad test.

The Buick Encore GX may be more efficient, handle and accelerate better because it weighs about 250 to 350 pounds less than the Mazda CX-30.

The front grille of the Encore GX uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The CX-30 doesn’t offer active grille shutters.

The Encore GX uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The CX-30 doesn’t offer active noise cancellation.

As tested by Car and Driver, the interior of the Encore GX AWD is quieter than the CX-30:

The Encore GX has a much larger cargo volume with its rear seat up than the CX-30 with its rear seat up (23.5 vs. 20.2 cubic feet). The Encore GX has a much larger cargo volume with its rear seat folded than the CX-30 with its rear seat folded (50.2 vs. 45.2 cubic feet).

To make loading groceries and cargo easier when your hands are full, the Encore GX Avenir’s liftgate can be opened and closed just by kicking your foot under the back bumper, leaving your hands completely free. The CX-30 doesn’t offer a hands-free gesture to open its liftgate, forcing you to put cargo down if your hands are full.

The Encore GX has a 1000 lbs. towing capacity. The CX-30 has no towing capacity.

The Encore GX AWD can be flat towed on all four wheels (dinghy towed), allowing recreational vehicle owners to bring it with them on the road. When they reach their destination, the Encore GX can be unhitched and driven around locally. The CX-30 can’t be towed flat on the ground.

J.D. Power and Associates surveys of service recipients show that Buick service is better than Mazda. J.D. Power ranks Buick 9th in service department satisfaction (above the industry average). With a 2% lower rating, Mazda is ranked 10th.

The Encore GX Avenir’s standard easy entry system glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The CX-30 doesn’t offer an easy entry system.

The Encore GX’s instruments include an oil pressure gauge and a temperature gauge - which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The CX-30 does not have an oil pressure gauge.

In case you lock your keys in your vehicle, or don’t have them with you, you can let yourself in using the Encore GX’s available exterior PIN entry system. The CX-30 doesn’t offer an exterior PIN entry system.

The Encore GX’s standard Keyless Access allow you to unlock the doors from any outside door handle, unlock the cargo door, and start the engine, all without removing the key from the pocket or purse. Pushbutton Start standard on the CX-30 only offers hands-free access for the ignition, none to unlock the vehicle. Pushbutton Start is not available on the CX-30 Select/Preferred/Carbon/Aire/Premium.

The Encore GX’s standard outside mirrors include heating elements to clear off the mirrors for better visibility. Mazda only offers heated mirrors on the CX-30 Select/Preferred/Carbon/Aire/Premium.

Compared to traditional radio, the Buick Encore GX’s standard SiriusXM satellite radio provides an unmatched listening experience. Its extensive coverage guarantees consistent, crystal-clear reception across the continental U.S., and access to over 100 channels dedicated to a multitude of genres, including music, news, sports, talk shows, and comedy, many with only limited commercial breaks. Satellite radio is only offered on the CX-30 Turbo Premium Plus.

The Encore GX Avenir has a 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The CX-30 doesn’t offer a house-current electrical outlet.

The Encore GX is available in both front-wheel drive and four-wheel drive configurations. The CX-30 doesn’t offer a two-wheel drive configuration.

Consumer Reports® recommends both the Buick Encore GX and the Mazda CX-30, based on reliability, safety and performance.