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2021 Hyundai Ioniq Hybrid Overview, Reviews, Ratings & Specs

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Simon A | October 23, 2025
The 2021 Hyundai Ioniq Hybrid is a compact hatchback that first debuted in 2017, designed with fuel efficiency at its core. Available in key trims like the Blue and SEL, its pricing range typically starts around $23,600 new. It stands out for its exceptional fuel economy and practical hatchback design, making it a popular choice for budget-conscious and environmentally aware buyers.
The Good

The 2021 Ioniq Hybrid excels in fuel efficiency, offering significant savings. Its comfortable interior and user-friendly tech appeal to practical needs, while its sleek design and eco-friendly nature resonate emotionally with conscientious buyers.

The Bad

Some owners report a somewhat uninspiring driving experience with modest acceleration. The infotainment system, while functional, might feel a bit dated compared to some rivals. Road noise can also be noticeable at higher speeds.

2021 Hyundai Ioniq Hybrid: Quick Overview

  • Engine Options: The 2021 Hyundai Ioniq Hybrid features a single powertrain: a 1.6-liter four-cylinder engine paired with an electric motor.
  • Horsepower: Combined system output is 139 horsepower.
  • Fuel Economy: This is a major strong point. The Ioniq Hybrid Blue trim achieves an EPA-estimated 58 mpg city/60 mpg highway/59 mpg combined. The SEL trim is rated slightly lower at 55 mpg city/57 mpg highway/56 mpg combined.
  • 0-60 Times: Typically around 9.0 to 9.9 seconds, depending on conditions and driver input. While not quick, it's adequate for daily driving.
  • Towing Capacity: The 2021 Hyundai Ioniq Hybrid does not have a designated towing capacity as it is not designed for towing.
  • Trim-Level Features:
    Ioniq Hybrid Blue: Standard features include an 8-inch touchscreen infotainment system with Apple CarPlay and Android Auto, cloth seats, automatic climate control, LED daytime running lights, 15-inch alloy wheels, and a suite of advanced safety features like forward collision-avoidance assist, lane keeping assist, and driver attention warning.
  • Ioniq Hybrid SEL: Builds upon the Blue trim by adding features such as proximity key with push-button start, a 7-inch color LCD instrument cluster, heated front seats, a leather-wrapped steering wheel and shift knob, power-adjustable driver's seat, and 16-inch alloy wheels. Optional packages could add features like a sunroof and premium audio.

2021 Hyundai Ioniq Hybrid Specifications

Vehicle Information
Year 2021
Make Hyundai
Model Ioniq Hybrid
Trim -
Style -
Type Sedan
Category Compact Car
Manufacturing Details
Made In South Korea
Manufacturing City ULSAN
Dimensions
Doors 4-Door
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length 176.00 inches
Overall Width 71.70 inches
Wheelbase Length 106.30 inches
Standard Seating 5
Engine & Performance
Engine 1.6-L L-4 DOHC 16V Hybrid
Engine Size 1.6L
Engine Cylinders 4
Transmission 6-Speed Automatic
Transmission Type Automatic
Transmission Speeds 6-Speed
Drivetrain Front-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $26,355
Invoice Price $25,254
Delivery Charges $1,005

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What Problems Does the 2021 Hyundai Ioniq Hybrid Have?

The 2021 Hyundai Ioniq Hybrid generally enjoys a good reputation for reliability. However, like many vehicles, there are some areas that owners and automotive reviewers have noted. Common, though not widespread, issues reported include occasional problems with the hybrid system's battery longevity or performance, although this is less common in newer models. Some owners have experienced minor electrical gremlins, such as issues with the infotainment system freezing or not responding correctly, or problems with power windows. For the 2021 model year, there was a recall related to the anti-lock braking system (ABS) module potentially malfunctioning, which could increase the risk of a crash. It is essential to check for any outstanding recalls on a specific vehicle using its VIN. Long-term reliability is generally considered strong for the Ioniq Hybrid, especially if regular maintenance is performed. The powertrain is well-engineered, and many components are designed for longevity. However, as with any hybrid, the battery pack is a significant component that will eventually degrade, though warranties typically cover it for an extended period (often 10 years or 100,000 miles for the original owner). Issues specifically tied to the 2021 model year beyond the ABS recall are not widely prevalent, suggesting a solid build for that iteration.

How long will the 2021 Hyundai Ioniq Hybrid last?

Based on owner data and typical maintenance, the 2021 Hyundai Ioniq Hybrid is projected to offer a robust service life. With diligent adherence to the recommended maintenance schedule, including oil changes, filter replacements, and hybrid system checks, owners can reasonably expect to reach 200,000 to 250,000 miles, and potentially more. The long-term durability of the hybrid components, particularly the battery, is a key factor. While batteries do degrade over time, Hyundai's warranty offers significant peace of mind. The primary weakness over time could be the potential for increased maintenance costs related to hybrid-specific components as the vehicle ages, but the core internal combustion engine and transmission are generally reliable.

What Technology & Safety Features are Included?

The 2021 Hyundai Ioniq Hybrid comes well-equipped with a suite of modern technology and safety features, enhancing both convenience and peace of mind. Standard on all trims is an 8-inch touchscreen infotainment system that seamlessly integrates with Apple CarPlay and Android Auto, allowing for easy access to navigation, music, and calls. It also includes Bluetooth connectivity and a USB port.

In terms of driver-assistance and safety, the Ioniq Hybrid is notably generous. Standard features include forward collision-avoidance assist with pedestrian detection, lane keeping assist, and driver attention warning. The SEL trim often adds blind-spot collision-avoidance assist and rear cross-traffic collision-avoidance assist.

Optional features, depending on the trim and package, could include a premium audio system, a power-adjustable driver's seat, heated front seats, and a sunroof, adding to the overall comfort and premium feel. The instrument cluster also features a configurable 7-inch color LCD on higher trims, providing clear and concise driving information.

Regarding crash-test ratings, the 2021 Hyundai Ioniq Hybrid performed well. The National Highway Traffic Safety Administration (NHTSA) awarded it an overall 5-star safety rating. The Insurance Institute for Highway Safety (IIHS) gave it good ratings in most crashworthiness tests, and awarded it a Top Safety Pick designation when equipped with specific headlights. These ratings underscore its strong structural integrity and comprehensive safety systems.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2021 Hyundai Ioniq Hybrid Prices and Market Value

When new, the 2021 Hyundai Ioniq Hybrid had a Manufacturer's Suggested Retail Price (MSRP) starting around $23,600 for the Blue trim and climbing to approximately $27,000 for the SEL trim, before any options or destination fees. Currently, on the used market (as of late 2023/early 2024), prices for a 2021 Ioniq Hybrid typically range from $17,000 to $22,000, depending heavily on mileage, condition, trim level, and location. The Ioniq Hybrid experiences average depreciation, losing about 15-20% of its value in the first year and continuing to depreciate at a steady rate thereafter. Factors that positively affect its resale value include its exceptional fuel economy, strong reliability ratings, and the continued demand for economical vehicles. Conversely, higher mileage and a less-than-perfect maintenance history can negatively impact its resale value.

2021 Hyundai Ioniq Hybrid Cost of Ownership

The 2021 Hyundai Ioniq Hybrid is exceptionally economical to own. Insurance costs are typically moderate, often lower than comparable gasoline-only vehicles due to its lower repair costs in some categories and safety features. Fuel costs are its biggest advantage, with its outstanding MPG translating to minimal spending at the pump. Routine maintenance is also affordable, with standard oil changes and filter replacements. Hybrid-specific repairs, such as battery replacement, are less common due to its reliability and warranty, but could be costly if out of warranty. Overall, the Ioniq Hybrid is a financially sound choice for long-term ownership.

2021 Hyundai Ioniq Hybrid Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 11.90 gallons
City Mileage 55 miles/gallon
Highway Mileage 54 miles/gallon

2021 Hyundai Ioniq Hybrid Safety Rating

NHTSA
Overall Rating Not Tested
Overall Frontal Star Rating Not Tested
Side Overall Star Rating Not Tested
Overall Rollover Star Rating Not Tested
Combined Front Seat Rating Not Tested
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating Not Tested
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating Not Tested
Side Barrier Star Ratings Not Tested
Side Pole Star Rating Not Tested
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating Not Tested

2021 Hyundai Ioniq Hybrid Warranty

Basic
Original warranty 60 months / 60,000 miles
Estimated remaining 12 months / 60,000 miles
Powertrain
Original warranty 120 months / 100,000 miles
Estimated remaining 72 months / 100,000 miles
Rust
Original warranty 84 months / unlimited miles
Estimated remaining 36 months / unlimited miles

2021 Hyundai Ioniq Hybrid Insurance

Insurance for a 2021 Hyundai Ioniq Hybrid is moderately priced, reflecting its status as a Sedan with strong safety ratings and
reasonable repair costs.

How Does the 2021 Hyundai Ioniq Hybrid Compare to Other Sedan?

The 2021 Hyundai Ioniq Hybrid competes in the compact hybrid sedan/hatchback segment against vehicles like the Toyota Prius and Honda Insight.

Performance: In terms of performance, the Ioniq Hybrid is generally on par with its rivals. Its 139 horsepower is sufficient for daily driving but not exhilarating. The Prius often offers slightly better fuel economy in certain configurations, while the Insight aims for a more conventional car feel. The Ioniq Hybrid's driving experience is smooth and comfortable but lacks spirited acceleration, similar to the Prius.

Features: The Ioniq Hybrid offers a competitive feature set, especially for its price. Its standard 8-inch touchscreen with Apple CarPlay and Android Auto is a significant plus. Standard safety features like forward collision-avoidance assist and lane keeping assist are comprehensive. The Prius also offers advanced safety features and often has more available luxury options on higher trims. The Honda Insight generally provides a more refined interior and slightly sportier driving dynamics.

Reliability: All three models have strong reputations for reliability. Toyota, with the Prius, is legendary. Honda is also highly regarded. Hyundai has made significant strides and the Ioniq Hybrid is generally considered very reliable. Owner satisfaction surveys often place all three highly.

Price: The 2021 Ioniq Hybrid often presented a slightly lower entry price than the Prius or Insight, especially when considering its generous standard equipment. This makes it a strong value proposition.

Alternatives:
  • Toyota Prius: The benchmark for hybrid efficiency and reliability. If absolute best MPG and a proven track record are paramount, the Prius is a top choice.
  • Honda Insight: Offers a more traditional sedan appearance and a more engaging driving experience than the Ioniq Hybrid or Prius, while still delivering excellent fuel economy.
  • Kia Niro Hybrid: Shares a platform with the Ioniq and offers a similar hybrid powertrain and efficiency, but in a subcompact crossover body style, appealing to those who prefer a slightly higher driving position.
The 2021 Ioniq Hybrid remains a compelling option, offering a near-perfect blend of efficiency, value, and technology, making it a strong contender against its well-established rivals.

Final Verdict: Is the 2021 Hyundai Ioniq Hybrid a Good Sedan?

The 2021 Hyundai Ioniq Hybrid is an excellent choice for budget-conscious drivers prioritizing fuel efficiency and practicality over spirited performance. It's ideal for commuters, young families, or anyone looking to significantly reduce their gasoline expenses.

It is definitely worth buying, especially on the used market where its value proposition is even stronger. The Ioniq Hybrid offers exceptional fuel economy, good standard safety features, and a comfortable ride at a competitive price point.

Buying used is generally recommended to maximize value, as depreciation has already taken its toll. The Blue trim offers the best fuel economy, making it ideal for those who prioritize MPG above all else. The SEL trim provides a bit more comfort and convenience features for a slight decrease in MPG, which might be worth the trade-off for some. Ensuring a thorough inspection and checking maintenance records is crucial when purchasing used.

2021 Hyundai Ioniq Hybrid Owner Reviews

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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.