Photo: Wikimedia Commons (CC)
Power
0–62 mph (0–100 km/h)
Top speed (178 km/h)
Combined, EPA 2027
What owners say
Our take, from owner reports
Sentiment varies significantly by model line.
6 problems reported (1 very frequent, 3 recurrent, 2 isolated) · high confidence
Problems owners report
- Very frequentICCU (Integrated Charging Control Unit) failure
Can cause complete vehicle shutdown, triggers dashboard warnings, requires replacement. Statistically cited as affecting 1-4% of E-GMP vehicles, but is a very frequent topic of concern and discussion. Recall issued.
- Recurrent12V auxiliary battery failures
Multiple replacements reported within early ownership period on IONIQ 5.
- RecurrentSoftware quality
Described as "just ok," clunky, or buggy compared to Tesla; slow infotainment response noted.
+ 3 more issuesShow fewer
- RecurrentLack of rear wiper (IONIQ 5)
Cited as a significant oversight affecting rear visibility in poor weather.
- IsolatedExcessive driver assistance system alerts
Beeps and warnings considered annoying by some owners.
- IsolatedSlow seat adjustment memory on entry/exit
Automated seat movement when entering/exiting is described as annoyingly slow.
The version owners recommend
For the IONIQ 5, the Limited (or Ultimate/Premium in some markets) trim is frequently mentioned as the preferred version for its premium features like a head-up display (HUD), ventilated seats, a retractable sunshade, and a quieter cabin. The SEL trim is noted as a good value compromise. For performance, the IONIQ 5N is highlighted as the definitive enthusiast version but is acknowledged as less comfortable for daily use than standard trims. For the original IONIQ, specific trims are not discussed in detail, with praise applied generically to the model.
Competitors to consider
Owners compare it most often with the Tesla Model 3, Tesla Model Y, Toyota Prius, Toyota Corolla Hybrid and Kia EV6.
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Overall sentiment
Sentiment varies significantly by model line. For the original IONIQ (Hybrid/PHEV/Electric), feedback is consistently positive, praising it as an underappreciated, efficient, and practical commuter car with low maintenance costs and good value. For the newer E-GMP platform vehicles (IONIQ 5, 6, 5N), sentiment is highly polarized but leans positive among owners. The IONIQ 5 is widely praised for its distinctive design, exceptionally quiet and comfortable ride, spacious interior, fast 800V DC charging, and superior build quality and driving controls compared to key rivals like Tesla. The IONIQ 5N receives acclaim for delivering a compelling, engaging performance EV experience. However, a significant and recurrent criticism across all E-GMP models (IONIQ 5, 6, EV9) is concern over the Integrated Charging Control Unit (ICCU) failure, which, while statistically affecting a minority of vehicles, creates notable anxiety and has led to recalls. Additional critiques for the IONIQ 5 include the lack of a rear wiper, "just ok" software, and small frunk. Satisfaction is often tied to securing a good purchase price or lease deal.
Positioning vs competitors
The original IONIQ hybrid/electric is positioned as a high-value, efficient alternative to the Toyota Prius, often at a lower price point with comparable efficiency and more responsive driving dynamics, though with a perceived reliability advantage for Toyota. The IONIQ 5 is consistently positioned as a superior *car* to the Tesla Model Y, with better build quality, a quieter and more comfortable ride, physical buttons, and Apple CarPlay/Android Auto, but often with inferior software and a less mature driver-assistance system. It is seen as more spacious and comfortable than the Kia EV6. Compared to premium German rivals (e.g., Mercedes CLA EQ), the IONIQ 6 is noted for faster charging and better value but lower top speed and perceived brand prestige. The IONIQ 5N is viewed as a unique performance EV that successfully engages driving enthusiasts, unlike many rivals focused solely on straight-line speed.
Recommended configurations
Insufficient owner data available for specific configuration recommendations beyond trim level. For the IONIQ 5, ensuring access to a reliable DC fast-charging network (e.g., Electrify America, which offered promotional free charging) is noted as beneficial. Leasing is repeatedly suggested for EVs, including the IONIQ 5, to mitigate depreciation and potential technology obsolescence. For used E-GMP vehicles, verifying warranty transfer and checking service history for ICCU replacements is advised.
General recommendations
Highly recommended for buyers prioritizing ride comfort, cabin quietness, interior space, and build quality over cutting-edge software. Strongly advise a thorough test drive, especially comparing suspension and noise levels against Tesla models. For the IONIQ 5, verify the vehicle's service history for any completed ICCU recalls or repairs. Negotiate aggressively or seek significant discounts/lease incentives, as transaction prices can vary wildly from advertised rates. Consider leasing due to rapid EV depreciation and evolving technology. Not recommended for those who prioritize seamless, advanced software and a comprehensive proprietary charging network above all else. For the original IONIQ hybrid/electric, recommended as a reliable, efficient, and cost-effective commuter vehicle.
Remarks
The ICCU issue is the dominant reliability concern across Hyundai, Kia, and Genesis E-GMP vehicles (IONIQ 5/6, EV6, GV60). Owner reports indicate that when failures occur, the part replacement process can be relatively swift (within a day if parts are available), but national backorders for other components like main battery packs have been reported. The perception of this issue is outsized relative to its statistical occurrence, significantly impacting buyer confidence. The original IONIQ (pre-2021) is not associated with these E-GMP platform problems. The competitive landscape is rapidly evolving, with heavy depreciation making 2-3 year old EVs, including the IONIQ 5, compelling value propositions on the used market. Analysis based on approximately 40 substantive owner discussions across multiple IONIQ model lines.
Generation by generation
Owner insights per generation and US complaint/recall records (NHTSA).
Complaints and recalls by model yearNo year grades F. Best year: 2018Source: NHTSA (US)Show table
Each year graded against the model's other years: Year Score.
| Year | Complaints | Recalls | Most-reported area |
|---|---|---|---|
| 2022 | 27 | 0 | service brakes |
| 2021 | 33 | 0 | electrical system |
| 2020 | 30 | 1 | electrical system |
| 2019 | 32 | 2 | electrical system |
| 2018 | 17 | 2 | unknown or other |
| 2017 | 51 | 5 | electrical system |
Complaint counts come from owner reports filed with the US National Highway Traffic Safety Administration. Higher-selling years naturally accumulate more complaints.
Recall notices10 on record · Source: NHTSA (US)Show recalls
2020 · electrical system:propulsion system:traction batterycampaign 21V127000
Hyundai Motor America (Hyundai) is recalling certain 2019-2020 Kona Electric and 2020 Ioniq Electric vehicles. The lithium-ion (Li-ion) battery may short-circuit.
2019 · wheels:lugs/nuts/bolts/studscampaign 19V720000
Hyundai Motor America (Hyundai) is recalling certain 2019 Ioniq Hybrid and 2020 Elantra vehicles. The right-side rear wheel lug nuts may have been insufficiently tightened, allowing the wheel to detach from the vehicle.
2019 · electrical system:propulsion system:charging:module:onboard (obcm)campaign 21V944000
Hyundai Motor America (Hyundai) is recalling certain 2017-2019 Ioniq electric vehicles. An unstable electrical ground may cause the vehicle to enter a fail-safe mode with reduced acceleration and power. In certain conditions while in fail-safe mode, the vehicle may accelerate after the gas pedal is released.
2018 · hybrid propulsion system: invertercampaign 18V704000
Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Hyundai Ioniq Hybrid and 2018 Ioniq Plug-In Hybrid vehicles. The Main Relay within the Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance.
2018 · hybrid propulsion system: invertercampaign 22V459000
Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Ioniq HEV and Ionic PHV vehicles previously recalled under recall number 18V-704. The Power Relay Assembly (PRA) located underneath the rear seat may overheat.
2017 · electrical system:propulsion system:charging:module:onboard (obcm)campaign 21V944000
Hyundai Motor America (Hyundai) is recalling certain 2017-2019 Ioniq electric vehicles. An unstable electrical ground may cause the vehicle to enter a fail-safe mode with reduced acceleration and power. In certain conditions while in fail-safe mode, the vehicle may accelerate after the gas pedal is released.
2017 · hybrid propulsion systemcampaign 17V532000
Hyundai Motor Company (Hyundai) is recalling certain 2017 Ioniq Electric Vehicles. Manufacturing defects within the Electronic Power Control Unit (EPCU) may allow coolant to contact the unit's circuit board.
2017 · hybrid propulsion system: invertercampaign 18V704000
Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Hyundai Ioniq Hybrid and 2018 Ioniq Plug-In Hybrid vehicles. The Main Relay within the Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance.
2017 · hybrid propulsion systemcampaign 18V260000
Hyundai Motor America (Hyundai) is recalling certain 2017 Hyundai Ioniq Hybrid vehicles. The Hydraulic Clutch Actuator (HCA) inner oil seal may leak, allowing oil to accumulate in the cap area, possibly resulting in an electrical short.
2017 · hybrid propulsion system: invertercampaign 22V459000
Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Ioniq HEV and Ionic PHV vehicles previously recalled under recall number 18V-704. The Power Relay Assembly (PRA) located underneath the rear seat may overheat.
Specifications
40.4 kWh Electric
Electric · 136 hp · FWD · automatic
Built 2019–2026