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2018 Hyundai Ioniq Plug-in Hybrid
#7 Best PHEV Cars of 2018

Used 2018 Hyundai Ioniq Plug-in Hybrid

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2022
2018
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Hybrid/Electric Variations Available

Fuel Economy
52 combined mpg
Horsepower
139 hp
EV Range
29 miles
Curb Weight
3,318 pounds
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2018 Hyundai Ioniq Plug-in Hybrid Review

Scott Oldham

By Scott Oldham

Updated December 02, 2019

Pros

Stylish, comfortable and refined, the 2018 Hyundai Ioniq is a true alternative to the Toyota Prius, which invented the hybrid segment. With its reasonable base price and laundry list of standard and available features, the sporty Ioniq feels like a premium-compact car, and it’s a bit cheaper and more fuel-efficient than the popular Toyota. Hyundai also offers a better warranty with lifetime battery coverage. 

Cons

If ultimate electric range is what you’re after, the Chevy Bolt is still your best choice in this class. It offers 238 miles of range, which is over 100 miles more than the 2018 Hyundai Ioniq. It also packs 200 horsepower and is more fun to drive than the 118-horsepower Ioniq Electric. 

What's New?

For 2018 Hyundai has added the new Ioniq Plug-in Hybrid to the lineup. This model works much like a Toyota Prius Prime or Chevy Volt. It can be driven up to 27 miles on pure electric power before a 1.6-liter gasoline engine turns on to drive the vehicle and charge the batteries. Total range is about 590 miles. Plug into a 240v source and battery charging time is just 2.5 hours. 

A smart and sporty 4-door hatchback, the 2018 Hyundai Ioniq gives environmentally conscious shoppers a choice among three affordable models: a hybrid, a plug-in hybrid and a pure electric vehicle. It takes on the popular Toyota Prius, as well as the Chevy Bolt, Nissan Leaf, Chevy Volt and the similar Kia Niro in the growing market for electrified fuel-efficient small cars that offer real-world practicality. Three trim levels are available, Blue, SEL and Limited, with prices starting around $23,000 for the Hybrid Blue, rated at an impressive 57 mpg in the city and 59 mpg on the highway. Hyundai says it has a fuel range of 690 miles. The best-selling Toyota Prius is a few hundred dollars more and it’s rated 58-mpg city and 53-mpg highway. The Ioniq Electric, offered in Base and Limited trims, starts around $30,000 and offers 124 miles of range. 

2018 Hyundai Ioniq Plug-in Hybrid Pricing

2018 Hyundai Ioniq Plug-in Hybrid pricing starts at $13,791 for the Ioniq Plug-in Hybrid Hatchback 4D, which had a starting MSRP of $25,835 when new. The range-topping 2018 Ioniq Plug-in Hybrid Limited Hatchback 4D starts at $14,120 today, originally priced from $29,185.

Original MSRP
KBB Fair Purchase Price (national avg.)
$25,835
$13,791
$29,185
$14,120

The Kelley Blue Book Fair Purchase Price for any individual used vehicle can vary greatly according to mileage, condition, location, and other factors. The prices here reflect what buyers are currently paying for used 2018 Hyundai Ioniq Plug-in Hybrid models in typical condition when purchasing from a dealership. These prices are updated weekly.

Driving the Hyundai Ioniq Plug-in Hybrid

From behind the wheel, the 2018 Ioniq Hybrid is refined and comfortable with few indications that its complex powertrain is using both an electric motor and a gasoline-powered internal-combustion engine to get you down the road. Basically, it feels like a regular compact car, and that’s a good thing. The Hybrid even uses a normal-looking shifter for the 6-speed dual-clutch automatic transmission, and there are paddle shifters if you want to get sporty and choose gears for yourself. There’s ample power for daily driving, engine-to-motor transitions are smooth, and brake response is nicely linear, but there is some tire noise. Throttle response, transmission shifts and steering response feel livelier in Sport mode, although fuel economy takes a hit. Use Sport mode habitually and mileage in the city will dip to about 40 mpg. The Ioniq Electric has a nice punch off the line, but overall it too has a relaxed, easygoing nature. 

Interior Comfort

The 2018 Ioniq Hyundai proves that an environmentally friendly car doesn’t have to be far-out and futuristic on the inside. Hyundai’s interior design is attractive and well-laid out, and the new Ioniq’s cabin has the space, feel and appearance of a premium-compact car. Controls are easy to reach, and it doesn’t take long to figure out how to get to data such as range, fuel economy, etc. There are also plenty of conveniences, such as Apple CarPlay, adaptive cruise control, and wireless smartphone charging. Materials used are eco-friendly — sugar cane is used in the soft-touch materials and fabric, and there’s recycled plastic with wood and volcanic stone. Seat comfort is high, and the driving position is perfect. 

Exterior Styling

Thankfully Hyundai decided to make the Ioniq attractive and not freakishly fantastic like some cars in this class. Some aspects of the Ioniq’s design have been defined by aerodynamics, such as the smooth roofline that ends in a flat rear, which pays off in the best aerodynamics of any car in the U.S. Rear visibility comes through two rear windows. Unfortunately, where those windows split can fall right in the center of view, depending on seating position. The Ioniq uses LED accents and LED taillights, and the hood and liftgate are made of aluminum to reduce weight. Want to quickly tell the Hybrid from the Electric? The Electric has a closed front grille and different wheels.

Favorite Features

AUTOMATIC EMERGENCY BRAKING
Available as part of an optional and expansive package on the Ioniq’s Limited trim level, this clever system uses a camera mounted behind the rearview mirror along with a radar sensor mounted on the front bumper to detect vehicles or pedestrians in your path and warn you of a potential collision. If you don’t take action to avoid the impact, the system will apply the brakes for you.

PLUG-IN HYBRID
Of the three powertrains offered in the Ioniq, the new Plug-in Hybrid model is our favorite. Although it’s a bit more expensive than the Hybrid, it’s significantly more affordable than the Electric and it offers the best of both worlds and is basically two cars in one. Fully charge the batteries and it’s an EV for the first 27 miles, then it becomes an extremely efficient hybrid with 600-plus miles of range.

Standard Features

With the new Ioniq’s three-cars-in-one scenario, not even an engine is standard equipment (there’s no engine in the Electric). However, there are plenty of features that are standard on the Hybrid, Electric and Plug-in hybrid models. All three come with a 7-inch touch screen, tilt/telescoping steering wheel with redundant stereo and phone controls, power windows, a rearview camera, Bluetooth, and Apple CarPlay and Android Auto compatibility. All three offer 5-passenger seating. Safety features include hill-start assist control and seven airbags (including a driver’s knee bag). Dual-zone climate control is standard on the Hybrid and Plug-in, but not available in the Electric.

Factory Options

Heated front seats are standard in the new Hyundai Ioniq Plug-in and Electric, optional in the Hybrid. Leather seating is available in all three. You can get a power driver’s seat, but a power seat isn’t available for the front passenger. Other options include adaptive cruise control, Automatic Emergency Braking, Lane Departure Warning, Lane Keep Assist, a cargo cover, Qi wireless charging, a navigation system, and heated side mirrors. A rear center armrest with cup holders is standard in the Electric and the Plug-in hybrid, but optional in the Hybrid.

Engine & Transmission

While all three members of the new Ioniq family use an interior-permanent magnet synchronous motor, the horsepower and torque combination is different for each car. All three also use a lithium-ion polymer battery. You can recharge 80 percent of the Electric’s battery in only 23 minutes. Fuel economy for the Hybrid Blue model — 57 mpg city and 59 highway — is best in its class, and the fuel-economy equivalent for the Electric is the best in the country.

Ioniq Hybrid
1.6-liter Atkinson cycle inline-4
104 horsepower @ 5,700 rpm
109 lb-ft of torque @ 4,000 rpm
32-kW Interior-Permanent Magnet Synchronous Motor
43 horsepower, 125 lb-ft of torque
Total system output: 139 horsepower
EPA city/highway fuel economy: 55/54 mpg (Hybrid), 57/59 mpg (Blue)

Ioniq Electric
88-kW Interior-Permanent Magnet Synchronous Motor
118 horsepower, 215 lb-ft of torque (Electric)
Total system output: 118 horsepower
EPA city/highway fuel economy equivalent: 150/122 MPGe
EPA-estimated range per full charge: 124 miles

Ioniq Plug-in
1.6-liter Atkinson cycle inline-4
104 horsepower @ 5,700 rpm
109 lb-ft of torque @ 4,000 rpm
44.5-kW Interior-Permanent Magnet Synchronous Motor
60 horsepower, 125 lb-ft of torque
Total system output: 139 horsepower
EPA city/highway fuel economy: 52 mpg (city/highway combined)


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2018 Hyundai Ioniq Plug-in Hybrid
KBB.com Consumer Reviews

4.2
Consumer Rating
Based on 79 Consumer Reviews
Write a Review
80%Recommend this vehicle
5
59%
5
59%
4
23%
4
23%
3
5%
3
5%
2
4%
2
4%
1
9%
1
9%
Value
4.3
Performance
4.2
Quality
4.2
Comfort
4.2
Reliability
4.3
Styling
4.3

Trending Topics in KBB.com Consumer Reviews

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2018 Hyundai Ioniq Plug-in Hybrid Styles

Style
Price
Combined Fuel Economy
EV Range
Horsepower
Engine
Seating
Hatchback 4D
$13,791
52 MPG
29 - 29 miles
139 @ 5700 RPM
4-Cyl, Hybrid, 1.6 Liter
5
Limited Hatchback 4D
$14,120
52 MPG
29 - 29 miles
139 @ 5700 RPM
4-Cyl, Hybrid, 1.6 Liter
5
See Full Specs for All 2018 Hyundai Ioniq Plug-in Hybrid Styles
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Specifications

Dimensions, Weights & Capacities

Curb Weight
3318 lbs.
EPA Passenger
96.2 cu.ft.
EPA Total Interior
119.2 cu.ft.
Fuel Capacity
11.4 gallons
Front Head Room
39.1 inches
Front Leg Room
42.2 inches
Max Seating Capacity
5
Minimum Ground Clearance
5.3 inches
Overall Length
176.0 inches
Front Shoulder Room
56.1 inches
Trunk or Cargo Capacity
23.0 cu.ft.
Turning Diameter
34.8 feet
Wheel Base
106.3 inches

Exterior

Alloy Wheels
Available
Number of Doors
4 doors
Rear Spoiler
Available

Fuel Economy

Combined
52 mpg

Mechanical

Drivetrain
FWD
Transmission Type
Automatic
6 speed
Available
Recommended Fuel
Regular
Hill Start Assist
Available

Performance

Horsepower-Combined
139 @ 5700 RPM
Torque
109 @ 4000 rpm
Engine
4-Cyl, Hybrid, 1.6 Liter
Estimated Electric Range
29 miles
Charge Time (240V)
2.3 hours

Warranty

Basic
5 years / 60000 miles
Powertrain
10 years / 100000 miles
Corrosion
7 years / Unlimited miles

Comfort & Convenience

  • Remote Control Liftgate/Trunk Release

Entertainment

  • iPod Connector
  • MP3 Player
  • Satellite Radio
  • Bluetooth Streaming Audio

Interior

  • Leather-Wrapped Steering Wheel
  • Power Windows
  • Rear Window Defroster
  • 12V Power Outlet
  • Power Outlet
  • Steering Wheel Controls
  • Tilt Steering Wheel
  • Tilt/Telescoping Steering Wheel

Seating

  • Folding Rear Seat
  • Cloth Seats
  • Heated Seats

Technology

  • Bluetooth Wireless Technology
  • Cruise Control
  • Hands Free Phone
  • Remote Keyless Entry
  • Proximity Sensing Keyless Entry
  • Push-Button Engine Start
  • Smartphone Interface
  • USB Port

2018 Hyundai Ioniq Plug-in Hybrid Safety

2018 Hyundai Ioniq Plug-in Hybrid Safety Technology

  • Child Door Locks
  • Child Seat Anchors
  • Driver Airbag
  • Passenger Airbag
  • Stability Control
  • Traction Control
  • Driver Knee Airbag
  • Front Head Curtain Airbag
  • Front Side Airbag
  • Rear View Camera

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BMW i3
See Details
Price
$13,791
$14,822
$16,370
$13,279
KBB.com Rating
4.4
4.4
4.4
4.5
Consumer Rating
4.2
4.5
4.4
4.7
Fuel Economy
City 0/Hwy 0/Comb 52 MPG | City 0/Hwy 0/Comb 119 MPGe
City 0/Hwy 0/Comb 42 MPG | City 0/Hwy 0/Comb 106 MPGe
City 0/Hwy 0/Comb 40 MPG | City 0/Hwy 0/Comb 103 MPGe
City 0/Hwy 0/Comb 35 MPG | City 0/Hwy 0/Comb 109 MPGe
Fuel Type
HybridLeafIcon
N/A
N/A
N/A
Seating Capacity5554
Basic Warranty
5 years or 60000 miles
3 years or 36000 miles
5 years or 60000 miles
4 years or 50000 miles
Horsepower
139 @ 5700 RPM
149 HP
202 @ 6000 RPM
170 HP
Engine
4-Cyl, Hybrid, 1.6 Liter
Voltec Electric Drive
4-Cyl, Hybrid, 2.0 Liter
AC Electric Motor
Drivetrain
FWD
FWD
FWD
RWD

2018 Hyundai Ioniq Plug-in Hybrid Rankings

More Hyundai Ioniq Plug-in Hybrid News & Information

General
Hyundai to Drop Original Ioniq from Lineup

Hyundai has a confusing name problem with its electric vehicles. But it’s about to put that problem to an end.…

Sean Tucker June 07, 2022
Electric Vehicle
2020 Hyundai Ioniq First Look

2020 Hyundai Ioniq Electric has 46 miles more range Forward collision avoidance, lane-keeping assist now standard Upgraded interior and exterior…

Abigail Bassett December 02, 2019

FAQs

Is the 2018 Hyundai Ioniq Plug-in Hybrid a good vehicle?

Yes, the 2018 Hyundai Ioniq Plug-in Hybrid is a good car, as reflected by its above-average Kelley Blue Book rating of 4.4 out of 5.

How much should a 2018 Hyundai Ioniq Plug-in Hybrid cost?

Used 2018 Hyundai Ioniq Plug-in Hybrid prices currently range from $13,791 for the Hatchback 4D to $14,120 for the Limited Hatchback 4D when purchasing from a dealership, depending on a range of factors like equipment, mileage, and condition.

What's the cheapest Hyundai Ioniq Plug-in Hybrid?

The cheapest 2018 Hyundai Ioniq Plug-in Hybrid is the Hatchback 4D, with a Kelley Blue Book Fair Purchase Price of $13,791.

Is the 2018 Hyundai Ioniq Plug-in Hybrid reliable?

The 2018 Hyundai Ioniq Plug-in Hybrid is part of the 1st-generation Ioniq Plug-in Hybrid, which our owners give an above-average reliability rating of 4.3 out of 5.

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