2020 Hyundai Ioniq Hybrid vs. 2019 Toyota Prius c

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/12/05

For enhanced safety, the front seat shoulder belts of the Hyundai Ioniq Hybrid are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The Toyota Prius c doesn’t offer height-adjustable seat belts.

The Ioniq Hybrid SEL/Limited’s blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The Prius c doesn’t offer a system to reveal objects in the driver’s blind spots.

To help make backing safer, the Ioniq Hybrid SEL/Limited’s cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Prius c doesn’t offer a cross-path warning system.

The Ioniq Hybrid Limited has standard Blue Link, which uses a global positioning satellite (GPS) receiver and a cellular system to get turn-by-turn driving directions, remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Prius c doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the Ioniq Hybrid and the Prius c have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, front wheel drive, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, driver alert monitors and available rear parking sensors.

The Hyundai Ioniq Hybrid weighs 466 to 585 pounds more than the Toyota Prius c. The NHTSA advises that heavier cars are much safer in collisions than their significantly lighter counterparts. Crosswinds also affect lighter cars more.

A significantly tougher test than their original offset frontal crash test, the Insurance Institute for Highway Safety does 40 MPH small overlap frontal offset crash tests. In this test, where only 25% of the total width of the vehicle is struck, results indicate that the Hyundai Ioniq Hybrid is safer than the Prius c:

Ioniq Hybrid

Prius c

Overall Evaluation

GOOD

ACCEPTABLE

Restraints

GOOD

MARGINAL

Head Neck Evaluation

GOOD

GOOD

Head injury index

179

349

Peak Head Forces

0 G’s

67 G’s

Steering Column Movement Rearward

0 cm

1 cm

Chest Evaluation

GOOD

GOOD

Hip & Thigh Evaluation

GOOD

GOOD

Femur Force R/L

.4/.3 kN

.5/.6 kN

Hip & Thigh Injury Risk R/L

0%/0%

0%/0%

Lower Leg Evaluation

GOOD

ACCEPTABLE

Tibia index R/L

.32/.48

.89/.54

For its top level performance in IIHS driver-side small overlap frontal, moderate overlap frontal, side impact, rear impact and roof-crush tests, with its optional front crash prevention system, its “Good” rating in the new passenger-side small overlap crash test, and its available headlight’s “Acceptable” rating, the Insurance Institute for Highway Safety grants the Ioniq Hybrid the rating of “Top Pick” for 2019, a rating granted to only 106 vehicles tested by the IIHS. The Prius c was not even a standard “Top Pick” for 2016.

Warranty

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The Ioniq Hybrid comes with a full 5-year/60,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Prius c’s 3-year/36,000-mile basic warranty expires 2 years and 24,000 miles sooner.

Hyundai’s powertrain warranty covers the Ioniq Hybrid 5 years and 40,000 miles longer than Toyota covers the Prius c. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 10 years or 100,000 miles. Coverage on the Prius c ends after only 5 years or 60,000 miles.

The Ioniq Hybrid’s corrosion warranty is 2 years longer than the Prius c’s (7 vs. 5 years).

Reliability

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J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Hyundai vehicles are better in initial quality than Toyota vehicles. J.D. Power ranks Hyundai third in initial quality, above the industry average. With 19 more problems per 100 vehicles, Toyota is ranked 8th.

Engine

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The Ioniq Hybrid’s 1.6 DOHC 4-cylinder hybrid produces 40 more horsepower (139 vs. 99) and 70 lbs.-ft. more torque (195 vs. 125) than the Prius c’s 1.5 DOHC 4-cylinder hybrid.

As tested in Motor Trend the Hyundai Ioniq Hybrid is faster than the Toyota Prius c:

Ioniq Hybrid

Prius c

Zero to 30 MPH

2.8 sec

3.2 sec

Zero to 60 MPH

8.4 sec

10.6 sec

Zero to 80 MPH

14.7 sec

19.6 sec

Passing 45 to 65 MPH

4.5 sec

6.3 sec

Quarter Mile

16.4 sec

17.8 sec

Speed in 1/4 Mile

84.3 MPH

76.6 MPH

Fuel Economy and Range

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/12/05

On the EPA test cycle the Ioniq Hybrid gets better fuel mileage than the Prius c:

MPG

Ioniq Hybrid

Blue 1.6 4-cyl. Hybrid

57 city/59 hwy

1.6 4-cyl. Hybrid

55 city/54 hwy

Prius c

1.5 4-cyl. Hybrid

48 city/43 hwy

The Ioniq Hybrid has 2.4 gallons more fuel capacity than the Prius c (11.9 vs. 9.5 gallons), for longer range between fill-ups.

Brakes and Stopping

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For better stopping power the Ioniq Hybrid’s brake rotors are larger than those on the Prius c:

Ioniq Hybrid

Prius c

Front Rotors

11 inches

10 inches

Rear Rotors

10.3 inches

9” drums

The Hyundai Ioniq Hybrid has standard four-wheel disc brakes for better stopping power and improved directional control in poor weather. Only rear drums come on the Prius c. Drums can heat up and make stops longer, especially with antilock brakes that work much harder than conventional brakes.

The Ioniq Hybrid stops shorter than the Prius c:

Ioniq Hybrid

Prius c

60 to 0 MPH

124 feet

125 feet

Motor Trend

Tires and Wheels

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For better traction, the Ioniq Hybrid has larger standard tires than the Prius c (195/65R15 vs. 175/65R15). The Ioniq Hybrid Limited’s optional tires are larger than the largest tires available on the Prius c (225/45R17 vs. 175/65R15).

The Ioniq Hybrid Limited’s optional tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Prius c’s 65 series tires.

For better ride, handling and brake cooling the Ioniq Hybrid Limited offers optional 17-inch wheels. The Prius c’s largest wheels are only 15-inches.

The Hyundai Ioniq Hybrid’s wheels have 5 lugs for longer wheel bearing life, less chance of rotor warping and greater strength. The Toyota Prius c only has 4 wheel lugs per wheel.

Suspension and Handling

© 1999 - 2019 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2019/12/05

For superior ride and handling, the Hyundai Ioniq Hybrid 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 Toyota Prius c has a rear torsion beam axle, with a semi-independent rear suspension.

The Ioniq Hybrid has standard front gas-charged shocks for better control over choppy roads. The Prius c’s suspension doesn’t offer gas-charged shocks.

The Ioniq Hybrid has standard front and rear stabilizer bars, which help keep the Ioniq Hybrid flat and controlled during cornering. The Prius c’s suspension doesn’t offer a rear stabilizer bar.

The Ioniq Hybrid has vehicle speed sensitive variable-assist power steering, for low-effort parking, better control at highway speeds and during hard cornering, and a better feel of the road. The Prius c doesn’t offer variable-assist power steering.

For a smoother ride and more stable handling, the Ioniq Hybrid’s wheelbase is 5.9 inches longer than on the Prius c (106.3 inches vs. 100.4 inches).

For better handling and stability, the average track (width between the wheels) on the Ioniq Hybrid is 3 inches wider in the front and 3.7 inches wider in the rear than the track on the Prius c.

The Ioniq Hybrid’s front to rear weight distribution is more even (59.9% to 40.1%) than the Prius c’s (61% to 39%). This gives the Ioniq Hybrid more stable handling and braking.

The Ioniq Hybrid Limited handles at .86 G’s, while the Prius c pulls only .79 G’s of cornering force in a Car and Driver skidpad test.

The Ioniq Hybrid BLUE executes Motor Trend’s “Figure Eight” maneuver 2 seconds quicker than the Prius c (27.5 seconds @ .61 average G’s vs. 29.5 seconds @ .54 average G’s).

Chassis

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The design of the Hyundai Ioniq Hybrid amounts to more than styling. The Ioniq Hybrid has an aerodynamic coefficient of drag of .24 Cd. That is significantly lower than the Prius c (.29) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Ioniq Hybrid get better fuel mileage.

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

Passenger Space

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Because it has more passenger and cargo room, the EPA rates the Ioniq Hybrid a Large car, while the Prius c is rated a Compact.

The Ioniq Hybrid has 8.8 cubic feet more passenger volume than the Prius c (96.2 vs. 87.4).

The Ioniq Hybrid has .5 inches more front headroom, .5 inches more front legroom, 2.8 inches more front hip room, 3.8 inches more front shoulder room, .4 inches more rear headroom, .7 inches more rear legroom, 2.1 inches more rear hip room and 3.3 inches more rear shoulder room than the Prius c.

Cargo Capacity

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The Ioniq Hybrid has a much larger trunk than the Prius c (26.5 vs. 17.1 cubic feet).

Servicing Ease

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A maintenance reminder system is standard on the Ioniq Hybrid to save the owner time and money by calculating maintenance intervals based on odometer mileage. This takes the guesswork out of keeping your vehicle in top condition and helps it last longer. Toyota doesn’t offer a maintenance reminder on the Prius c.

Ergonomics

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When different drivers share the Ioniq Hybrid Limited, the optional memory seats make it convenient. Each setting activates different, customized memories for the driver’s seat position. The Prius c doesn’t offer memory seats.

The power windows standard on both the Ioniq Hybrid and the Prius c have locks to prevent small children from operating them. When the lock on the Ioniq Hybrid is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Prius c prevents the driver from operating the other windows just as it does the other passengers.

The Ioniq Hybrid Limited’s front power windows open fully with one touch of the switches, and the driver’s window also automatically closes, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Prius c’s passenger windows don’t open or close automatically.

The Ioniq Hybrid’s power window, power lock and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The Prius c’s power window, power lock and cruise control switches are unlit, making them difficult to find at night and operate safely.

The Ioniq Hybrid’s variable intermittent wipers have an adjustable delay to allow the driver to choose a setting that best clears the windshield during light rain or mist. The Prius c’s standard fixed intermittent wipers only have one fixed delay setting, so the driver will have to manually switch them between slow and intermittent.

Consumer Reports rated the Ioniq Hybrid’s headlight performance “Very Good,” a higher rating than the Prius c’s headlights, which were rated “Fair.”

The Ioniq Hybrid has a standard automatic headlight on/off feature. When the ignition is on, the headlights automatically turn on at dusk and off after dawn. The Prius c doesn’t offer automatic headlights.

To help drivers see further while navigating curves, the Ioniq Hybrid Limited offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Prius c doesn’t offer cornering lights.

To shield the driver and front passenger’s vision over a larger portion of the windshield and side windows, the Ioniq Hybrid has standard extendable sun visors. The Prius c doesn’t offer extendable visors.

The Ioniq Hybrid’s power mirror controls are mounted on the armrest for easy access. The Prius c’s power mirror controls are on the dash where they are possibly hidden by the steering wheel and are awkward to manipulate.

The Ioniq Hybrid’s optional rear view mirror has an automatic dimming feature. This mirror can be set to automatically darken quickly when headlights shine on it, keeping following vehicles from blinding or distracting the driver. The Prius c doesn’t offer the luxury of an automatic dimming rear view mirror.

The Ioniq Hybrid SEL/Limited has standard heated front seats, which keep the driver and front passenger extremely comfortable in the winter. Heated seats aren’t available in the Prius c.

The Ioniq Hybrid SEL/Limited has a standard center folding armrest for the rear passengers. A center armrest helps make rear passengers more comfortable. The Prius c doesn’t offer a rear seat center armrest.

The Ioniq Hybrid’s 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. The Prius c doesn’t offer dual zone air conditioning.

Both the Ioniq Hybrid and the Prius c offer rear vents. For greater rear passenger comfort, the Ioniq Hybrid Limited offers optional rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Prius c doesn’t offer rear air conditioning vents, only heat vents.

To keep a safe, consistent following distance, the Ioniq Hybrid SEL/Limited offers an optional Smart Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The Prius c doesn’t offer an adaptive cruise control.

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