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Mercedes EQS SUV vs Hyundai IONIQ 9 comparison

Compare performance (658 HP vs 428 HP), boot space and price (95,000 £ vs 58,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes EQS SUV or Hyundai IONIQ 9?

Mercedes EQS SUV vs Hyundai IONIQ 9: Key differences

Mercedes EQS SUV

  • clearly more power
  • barely more efficient
  • a bit more electric range
  • moderately quicker 0–100 km/h
  • considerably more trunk space
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Hyundai IONIQ 9

  • considerably cheaper
  • very slightly lighter
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By Achim Sedelmaier

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

EQS SUV

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Hyundai IONIQ 9 is considerably cheaper – starting at 58,700 £ , while the Mercedes EQS SUV costs 95,000 £ . That’s a price difference of around 36,258 £.

In terms of energy consumption, the Mercedes EQS SUV is barely more efficient: consuming 19.6 kWh/100km compared to 19.9 kWh/100km for the Hyundai IONIQ 9. That’s a difference of about 0.3 kWh/100km.

As for electric range, the Mercedes EQS SUV offers a bit more range – reaching up to 695 km, about 75 km more than the Hyundai IONIQ 9.

IONIQ 9

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes EQS SUV offers clearly more power – delivering 658 HP compared to 428 HP. That’s roughly 230 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS SUV is moderately quicker – completing the sprint in 4.4 s, while the Hyundai IONIQ 9 takes 5.2 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the Mercedes EQS SUV delivers clearly more torque with 950 Nm compared to 700 Nm. That’s about 250 Nm more.

EQS SUV

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, Hyundai IONIQ 9 is very slightly lighter – 2,594 kg compared to 2,695 kg. The difference is around 101 kg.

Looking at boot space, the Mercedes EQS SUV offers considerably more boot space – 645 L compared to 338 L. That’s a difference of about 307 L.

When it comes to payload, the Hyundai IONIQ 9 carries somewhat 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 SUV stands well ahead of its rival 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 £95,000
EQS SUV

Mercedes EQS SUV

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 360 - 658 HP
  • Consumption kWh/100km : 19.6 - 21.9 kWh/100km
  • Electric Range : 615 - 695 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 SUV

The Mercedes EQS SUV blends limousine-level quiet and luxury with the commanding presence of an SUV, wrapping passengers in sumptuous materials and a futuristic, screen-dominated cabin. It drives with serene confidence and delivers the kind of effortless refinement that makes city commutes and long trips feel like first-class experiences — just be prepared for attention wherever you park it.

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Reviews Mercedes EQS SUV

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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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Mercedes EQS SUV
Hyundai IONIQ 9

Costs and Consumption
Price
95,000 - 212,100 £
Price
58,700 - 74,400 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.6 - 21.9 kWh/100km
Consumption kWh/100km
19.9 - 20.6 kWh/100km
Electric Range
615 - 695 km
Electric Range
600 - 620 km
Battery Capacity
108.4 - 118 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
4 - 5
Seats
7
Doors
5
Doors
-
Curb weight
2,695 - 3,075 kg
Curb weight
2,594 - 2,689 kg
Trunk capacity
440 - 645 L
Trunk capacity
338 L
Length
5,125 mm
Length
-
Width
1,959 - 2,034 mm
Width
1,980 mm
Height
1,718 - 1,721 mm
Height
-
Max trunk capacity
2,100 L
Max trunk capacity
-
Payload
425 - 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
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
360 - 658 HP
Power HP
218 - 428 HP
Acceleration 0-100km/h
4.4 - 6.8 s
Acceleration 0-100km/h
5.2 - 9.4 s
Max Speed
210 km/h
Max Speed
-
Torque
568 - 950 Nm
Torque
350 - 700 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
265 - 484 kW
Power kW
160 - 315 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
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 SUV?

Available configurations include All-Wheel Drive or Rear-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.