USA EV Comparison: Hyundai Ioniq 9 Performance AWD vs Mercedes EQS SUV 500 4MATIC
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General Info
Both vehicles are currently in production. The Hyundai Ioniq 9 Performance AWD (2025-…) has a starting price of $71250, while the Mercedes EQS SUV 500 4MATIC (2023-…) is not sold in the United States.
The two vehicles share the same body style: SUV.
| Property | Hyundai Ioniq 9 Performance AWD | Mercedes EQS SUV 500 4MATIC |
|---|---|---|
| Years of Production | 2025-… | 2023-… |
| Current Status | Produced | Produced |
| Country of Manufacture | South Korea, USA | USA |
| Body Style | SUV | SUV |
| Market Availability | EU, USA | EU |
| Price USA (New) | $71250 | - Price USA (New) |
| GCC Score | 7.8 | 7.2 |
Range and Efficiency
The Mercedes EQS SUV 500 4MATIC (2023-…) boasts a greater real-world range, a larger battery, and superior energy efficiency compared to the Hyundai Ioniq 9 Performance AWD (2025-…).
| Property | Hyundai Ioniq 9 Performance AWD | Mercedes EQS SUV 500 4MATIC |
|---|---|---|
| Range (EPA) | 311 mi | - Range (EPA) |
| Range (WLTP) | 373 mi | 418 mi |
| Range (GCC) | 306 mi | 344 mi |
| Battery Capacity (Nominal) | 110.3 kWh | 125 kWh |
| Battery Capacity (Usable) | 106 kWh | 118 kWh |
| Efficiency per 100 mi | 34.6 kWh/100 mi | 34.3 kWh/100 mi |
| Efficiency per kWh | 2.89 mi/kWh | 2.92 mi/kWh |
| Range and Efficiency Score | 6.8 | 7.5 |
Charging
The Hyundai Ioniq 9 Performance AWD (2025-…) features an advanced 800-volt architecture, whereas the Mercedes EQS SUV 500 4MATIC (2023-…) relies on a standard 400-volt system.
The Hyundai Ioniq 9 Performance AWD (2025-…) offers faster charging speeds at DC stations, reaching up to 350 kW, while the Mercedes EQS SUV 500 4MATIC (2023-…) maxes out at 200 kW.
The Hyundai Ioniq 9 Performance AWD (2025-…) features a more powerful on-board charger, supporting a maximum AC charging power of 10.9 kW, whereas the Mercedes EQS SUV 500 4MATIC (2023-…) is limited to 9.6 kW.
| Property | Hyundai Ioniq 9 Performance AWD | Mercedes EQS SUV 500 4MATIC |
|---|---|---|
| Max Charging Power (AC) | 10.9 kW | 9.6 kW |
| Max Charging Power (DC) | 350 kW | 200 kW |
| Architecture | 800 V | 400 V |
| Charge Port | Tesla (NACS) | CCS Type 1 |
| Charging Score | 8.6 | 7 |
Performance
Both vehicles are all-wheel drive.
Although the Mercedes EQS SUV 500 4MATIC (2023-…) has more power, the Hyundai Ioniq 9 Performance AWD (2025-…) achieves a faster 0-60 mph time.
| Property | Hyundai Ioniq 9 Performance AWD | Mercedes EQS SUV 500 4MATIC |
|---|---|---|
| Drive Type | AWD | AWD |
| Motor Type | PMSM (front), PMSM (rear) | PMSM (front), PMSM (rear) |
| Motor Power (kW) | 315 kW | 330 kW |
| Motor Power (hp) | 422 hp | 443 hp |
| Motor Torque | 516 lb-ft | 611 lb-ft |
| 0-60 mph | 5 s | 5.1 s |
| Top Speed | 124 mph | 130 mph |
| Performance Score | 5.8 | 6.2 |
Dimensions
The Hyundai Ioniq 9 Performance AWD (2025-…) is taller, but has a similar length and width to the Mercedes EQS SUV 500 4MATIC (2023-…).
The Mercedes EQS SUV 500 4MATIC (2023-…) boasts a more extended wheelbase.
| Property | Hyundai Ioniq 9 Performance AWD | Mercedes EQS SUV 500 4MATIC |
|---|---|---|
| Length | 199.2 in | 201.8 in |
| Width (with Mirrors) | - Width (with Mirrors) | 84.9 in |
| Width (w/o Mirrors) | 78 in | 77.1 in |
| Height | 70.5 in | 67.6 in |
| Wheelbase | 123.2 in | 126.4 in |
Cargo and Towing
The Mercedes EQS SUV 500 4MATIC (2023-…) features a larger trunk, but the Hyundai Ioniq 9 Performance AWD (2025-…) offers greater maximum cargo capacity when the rear seats are folded.
A frunk (front trunk) is available in the Hyundai Ioniq 9 Performance AWD (2025-…), but the Mercedes EQS SUV 500 4MATIC (2023-…) doesn’t have one.
The Hyundai Ioniq 9 Performance AWD (2025-…) has a towing capacity of up to 5000 lb, whereas the Mercedes EQS SUV 500 4MATIC (2023-…) is not officially rated for towing in the US.
| Property | Hyundai Ioniq 9 Performance AWD | Mercedes EQS SUV 500 4MATIC |
|---|---|---|
| Number of Seats | 7 | 5, 7 |
| Curb Weight | 5994 lb | - Curb Weight |
| Cargo Volume (Trunk) | 21.9 ft3 | 22.8 ft3 |
| Cargo Volume (Max) | 86.9 ft3 | 74.2 ft3 |
| Cargo Volume (Frunk) | 1.8 ft3 | - Cargo Volume (Frunk) |
| Towing Capacity | 5000 lb | - Towing Capacity |
| Cargo and Towing Score | 9.2 | 8.4 |
