2019 Chevrolet Volt vs. 2019 Hyundai Sonata Plug-In Hybrid

Detailed Review, Specifications & Comparison

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2019 Hyundai Sonata Plug-In Hybrid

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The Volt offers optional Park Assist to help warn the driver about vehicles, pedestrians or other obstacles behind or, for the Volt Premier in front of the vehicle. The Sonata Plug-In Hybrid doesn’t offer a front parking aid.

Both the Volt and the Sonata Plug-In Hybrid have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems and rear cross-path warning.


Chevrolet pays for the first scheduled maintenance on the Volt. Chevrolet will pay for the first oil change, lubrication and any other required maintenance during the first 12 months. Hyundai doesn’t pay scheduled maintenance for the Sonata Plug-In Hybrid.

There are almost 4 times as many Chevrolet dealers as there are Hyundai dealers, which makes it much easier should you ever need service under the Volt’s warranty.


The Volt’s 1.5 DOHC 4 cyl. hybrid produces 18 lbs.-ft. more torque (294 vs. 276) than the Sonata Plug-In Hybrid’s 2.0 DOHC 4 cyl. hybrid.

Fuel Economy and Range

On the EPA test cycle the Volt gets better fuel mileage than the Sonata Plug-In Hybrid:







Running on electricity

113 city/99 hwy

99 city/100 hwy



Running on gas

43 city/42 hwy

37 city/42 hwy


The Volt’s maximum driving range in pure electric mode is 53 miles, 83% further than the Sonata Plug-In Hybrid’s 29-mile range.


The Volt 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 Sonata Plug-In Hybrid doesn’t offer a CVT.

Tires and Wheels

The Volt’s tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the Sonata Plug-In Hybrid’s standard 55 series tires.

The Volt 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 Sonata Plug-In Hybrid doesn’t offer vehicle monitored tire inflation.


The Chevrolet Volt may be more efficient, handle and accelerate better because it weighs about 250 pounds less than the Hyundai Sonata Plug-In Hybrid.

The Volt is 10.7 inches shorter than the Sonata Plug-In Hybrid, making the Volt easier to handle, maneuver and park in tight spaces.

The front grille of the Volt uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The Sonata Plug-In Hybrid doesn’t offer active grille shutters.

Cargo Capacity

The Volt’s standard rear seats fold to accommodate long and bulky cargo. The Sonata Plug-In Hybrid doesn’t offer folding rear seats, only a ski pass-through.


The Volt has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Sonata Plug-In Hybrid doesn’t offer a remote starting system.

The Volt’s front and rear power windows all lower 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 Sonata Plug-In Hybrid’s rear power window switches have to be held the entire time to open them fully.

On a hot day the Volt’s driver can lower all the windows from a distance using the keyless remote. The driver of the Sonata Plug-In Hybrid can only operate the windows from inside the vehicle, with the ignition on.

Both the Volt and the Sonata Plug-In Hybrid offer available heated front seats. The Volt Premier also has standard heated rear seats to keep those passengers extremely comfortable in the winter. Heated rear seats aren’t available in the Sonata Plug-In Hybrid.

The Volt Premier’s Automatic Parking Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The Sonata Plug-In Hybrid doesn’t offer an automated parking system.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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