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Mercedes EQS vs Hyundai IONIQ 9 comparison

Compare performance (585 HP vs 428 HP), boot space and price (80,900 £ vs 59,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes EQS or Hyundai IONIQ 9?

Mercedes EQS vs Hyundai IONIQ 9: Key differences

Mercedes EQS

  • clearly more power
  • markedly more efficient
  • markedly more electric range
  • visibly quicker 0–100 km/h
  • marginally lighter
  • considerably more trunk space
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Hyundai IONIQ 9

  • noticeably cheaper
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Here’s where it gets real: The technical differences in detail

EQS

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Hyundai IONIQ 9 is noticeably cheaper – starting at 59,900 £ , while the Mercedes EQS costs 80,900 £ . That’s a price difference of around 21,045 £.

In terms of energy consumption, the Mercedes EQS is markedly more efficient: consuming 15.5 kWh/100km compared to 19.9 kWh/100km for the Hyundai IONIQ 9. That’s a difference of about 4.4 kWh/100km.

As for electric range, the Mercedes EQS offers markedly more range – reaching up to 920 km, about 300 km more than the Hyundai IONIQ 9.

IONIQ 9

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes EQS offers clearly more power – delivering 585 HP compared to 428 HP. That’s roughly 157 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS is visibly quicker – completing the sprint in 4.1 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes EQS delivers somewhat more torque with 800 Nm compared to 700 Nm. That’s about 100 Nm more.

EQS

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Hyundai IONIQ 9 offers more seats – 7 vs 5.

In terms of curb weight, Mercedes EQS is marginally lighter – 2,550 kg compared to 2,594 kg. The difference is around 44 kg.

Looking at boot space, the Mercedes EQS offers considerably more boot space – 610 L compared to 338 L. That’s a difference of about 272 L.

When it comes to payload, the Hyundai IONIQ 9 carries slightly more – 643 kg compared to 570 kg. That’s a difference of about 73 kg.

Who wins the race in the data check?

The Mercedes EQS is clearly superior overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £80,900
EQS

Mercedes EQS

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 367 - 585 HP
  • Consumption kWh/100km 15.5 - 16.3 kWh/100km
  • Electric Range 810 - 920 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes EQS

The Mercedes EQS is a silent, spaceship-like flagship that turns electric luxury into zen on wheels, wrapped in a swooping design that insists on being admired. Inside it’s all glassy screens and soft-touch surfaces that make long trips feel like first class, and the driving experience is composed and effortless — like a courteous butler with an electric heart.

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Reviews Mercedes EQS

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Hyundai IONIQ 9

The Hyundai IONIQ 9 is a bold step forward in the automotive world, combining cutting-edge electric technology with a sleek and modern design. This model stands out with its spacious interior and advanced features, ensuring both comfort and convenience for drivers and passengers alike. As Hyundai pushes the envelope in eco-friendly innovation, the IONIQ 9 represents the future of sustainable driving with its impressive range and performance capabilities.

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Reviews Hyundai IONIQ 9

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Mercedes EQS
Hyundai IONIQ 9

Costs and Consumption
Price
80,900 - 117,500 £
Price
59,900 - 75,500 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Consumption kWh/100km
19.9 - 20.6 kWh/100km
Electric Range
810 - 920 km
Electric Range
600 - 620 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
2,550 - 2,660 kg
Curb weight
2,594 - 2,689 kg
Trunk capacity
610 L
Trunk capacity
338 L
Length
-
Length
-
Width
1,926 mm
Width
1,980 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
545 - 570 kg
Payload
586 - 643 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
367 - 585 HP
Power HP
218 - 428 HP
Acceleration 0-100km/h
4.1 - 6.2 s
Acceleration 0-100km/h
5.2 - 9.4 s
Max Speed
-
Max Speed
-
Torque
505 - 800 Nm
Torque
350 - 700 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
270 - 430 kW
Power kW
160 - 315 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Hyundai
What drive types are available for the Mercedes EQS?

The Mercedes EQS is offered with Rear-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.