NHTSA lists 2 safety recalls and 9 owner complaints for the 2017 Hyundai Ioniq. Most complaints involve electrical system (7) and steering (2). The EPA rates it 55–136 mpg combined.
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.
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.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“Just before 3 PM on Sunday, 14MAY, my Hyundai Ioniq had been charging for a few hours as usual and I heard a circuit breaker "pop". I went outside to check on my car, and my car had started smoking. I immediately unplugged the charger and after the smoke cleared, found that both the charger I purchased months ago and the charge port on the Ioniq had melted. This rendered both items unusable. This is available for inspection. If I had not been home while the car was charging, if the car was inside, or if this had happened at any public charging station, this could of course cause any number of issues, from fire, to being exposed to the carcinogens of the burning/smoking plastics of the port and charger. The vehicle has been inspected by a GEICO insurance adjuster as well as Annapolis Hyundai.”
“The steering is "sticky" causing the vehicle to zig-zag, rather than track straight, especially at highway speeds. If you take your eyes off the road for a second, the vehicle will veer into other lanes. It requires constant vigilance beyond what is required for normal driving to remian in your lane. This is a well-documented issue online involving the ball bearings and lubrication of the intermediate shaft of the steering column.”
“IF YOU ARE SLOWING DOWN WHILE REGENERATING, THEN NEED TO SPEED UP YOU CAN'T. THE ACTIVE FLAP SYSTEM LIGHT COMES ON AND MAKES THE CAR GO INTO A LIMP MODE. IT CORRECTS ITSELF ABOUT A SECOND OR MORE. HAVING TO SPEED UP FOR THE LIGHT THAT WAS RED AND NOW GREEN CREATED A DANGEROUS SITUATION. I COULDN'T GO.”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Ioniq Electric Auto (A1) · Front-Wheel Drive | 150 | 122 | 136 | $550 | — |
| Ioniq Blue Auto (AM6), 4 cyl, 1.6 L · Front-Wheel Drive | 57 | 59 | 58 | $1,050 | 154 |
| Ioniq Auto (AM6), 4 cyl, 1.6 L · Front-Wheel Drive | 55 | 54 | 55 | $1,150 | 163 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
2 safety recalls as of Nov 10, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 9 complaints with NHTSA. The most-cited components are electrical system (7), steering (2), power train (2). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 2017 Hyundai Ioniq at 55–136 mpg combined, depending on engine and drivetrain (3 versions rated).