Data shown is approximate and based on publicly available specifications and real-world estimates. Actual performance varies with driving conditions, temperature, state of charge, and charger hardware. Always check your vehicle's manual for official specifications. EVcourse is not affiliated with any vehicle manufacturer.
Quick verdict
The Hyundai IONIQ 9 charges faster with a peak of 350 kW DC, while the Volkswagen ID.4 is more efficient at 173 Wh/km. The Hyundai IONIQ 9 offers more WLTP rated range at 595 km.
Side-by-Side Specs
| Spec | Hyundai IONIQ 9 | Volkswagen ID.4 |
|---|---|---|
| Battery (approx.) | ~106 kWh | ~77 kWh |
| WLTP range (rated) | ~595 km | ~572 km |
| Efficiency (approx.) | ~210 Wh/km | ~173 Wh/km |
| Max DC charging | up to 350 kW | up to 175 kW |
| 10-80% charge time (approx.) | ~24 min | ~28 min |
| Max AC charging | up to 11 kW | up to 11 kW |
| DC connector | CCS2 | CCS2 |
Charging Speed
The Hyundai IONIQ 9 has a peak DC charging speed of 350 kW, which is roughly 100% faster than the Volkswagen ID.4 at 175 kW. In practice, peak speed only tells part of the story. The charging curve, battery temperature, and state of charge all affect how quickly your car actually charges.
For the 10-80% charge (the most common DC fast charging scenario), the Hyundai IONIQ 9 finishes in about 24 minutes, which is 4 minutes quicker than the Volkswagen ID.4 at 28 minutes. On a road trip, that difference adds up over multiple stops.
Range and Efficiency
The Hyundai IONIQ 9 has a WLTP rated range of approximately 595 km, which is roughly 23 km more than the Volkswagen ID.4 at approximately 572 km. WLTP is a standardized lab test. Expect your actual range to be lower, varying with speed, weather, terrain, and driving style.
Efficiency matters more than battery size for daily driving costs. The Volkswagen ID.4 consumes 173 Wh/km, compared to 210 Wh/km for the Hyundai IONIQ 9. That means the Volkswagen ID.4 uses less energy per kilometer, which translates to lower charging costs and fewer charging stops on longer drives.
A more efficient car does not always mean more range. Battery size plays a role too. The Hyundai IONIQ 9 has approximately 106 kWh of useable battery , while the Volkswagen ID.4 has approximately 77 kWh.
Which One Should You Choose?
If fast charging speed is your priority, the Hyundai IONIQ 9 wins on both peak power (up to 350 kW) and time at the plug (approximately 24 minutes from 10-80%). For long road trips with multiple charging stops, that faster turnaround makes a real difference.
Both cars support 11 kW AC charging, so home and workplace charging speeds will be similar.
If you mostly charge at home or at work and care more about daily driving costs, the Volkswagen ID.4 is the more efficient choice at 173 Wh/km. Lower consumption means lower electricity bills over time.
For maximum range between charges, the Hyundai IONIQ 9 has a WLTP rated range of approximately 595 km, which is roughly 23 km more. Both are capable EVs. The best choice depends on how you charge and how far you drive.
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From Finn, engineer: Charging specs alone do not tell the full story. Real-world charging speed depends on battery temperature, state of charge, and the charger itself. These comparisons use manufacturer-published data. Approximate values only.
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