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Mercedes EQS vs Kia EV9 comparison
Compare performance (585 HP vs 508 HP), boot space and price (80,900 £ vs 54,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes EQS or Kia EV9?
Mercedes EQS vs Kia EV9: Key differences
EQS
Costs and Efficiency:
When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.
Kia EV9 is substantially cheaper – starting at 54,600 £ , while the Mercedes EQS costs 80,900 £ . That’s a price difference of around 26,325 £.
In terms of energy consumption, the Mercedes EQS is noticeably more efficient: consuming 15.5 kWh/100km compared to 19.5 kWh/100km for the Kia EV9. That’s a difference of about 4 kWh/100km.
As for electric range, the Mercedes EQS offers clearly more range – reaching up to 920 km, about 357 km more than the Kia EV9.
EV9
Engine and Performance:
Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.
When it comes to engine power, the Mercedes EQS offers moderately more power – delivering 585 HP compared to 508 HP. That’s roughly 77 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes EQS is a bit quicker – completing the sprint in 4.1 s, while the Kia EV9 takes 4.6 s. That’s about 0.5 s quicker.
There’s also a difference in torque: the Mercedes EQS delivers only slightly more torque with 800 Nm compared to 740 Nm. That’s about 60 Nm more.
EQS
Space and Everyday Use:
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Seats: Kia EV9 offers more seats – 7 vs 5.
In terms of curb weight, Kia EV9 is very slightly lighter – 2,392 kg compared to 2,550 kg. The difference is around 158 kg.
Looking at boot space, the Mercedes EQS offers clearly more boot space – 610 L compared to 333 L. That’s a difference of about 277 L.
When it comes to payload, the Kia EV9 carries barely more – 615 kg compared to 570 kg. That’s a difference of about 45 kg.
Who wins the race in the data check?
The Mercedes EQS is far ahead 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
Mercedes EQS
Mercedes EQS
Kia EV9
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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.
details
Kia EV9
The Kia EV9 is a bold, boxy electric SUV that looks like it could swallow your luggage and the in‑laws, with an interior that feels more lounge than cockpit and a presence that makes smaller rivals suddenly feel shy. On the road it delivers calm long‑distance composure with enough shove to keep overtakes effortless, and its tech and practicality make it an easy, sensible choice for buyers who want electric without compromise.
details
Mercedes EQS
Kia EV9
Costs and Consumption |
|
|---|---|
|
Price
80,900 - 117,500 £
|
Price
54,600 - 78,400 £
|
|
Consumption L/100km
-
|
Consumption L/100km
-
|
|
Consumption kWh/100km
15.5 - 16.3 kWh/100km
|
Consumption kWh/100km
19.5 - 22.8 kWh/100km
|
|
Electric Range
810 - 920 km
|
Electric Range
443 - 563 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
6 - 7
|
|
Doors
-
|
Doors
-
|
|
Curb weight
2,550 - 2,660 kg
|
Curb weight
2,392 - 2,664 kg
|
|
Trunk capacity
610 L
|
Trunk capacity
333 L
|
|
Length
-
|
Length
-
|
|
Width
1,926 mm
|
Width
1,980 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
545 - 570 kg
|
Payload
542 - 615 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
204 - 508 HP
|
|
Acceleration 0-100km/h
4.1 - 6.2 s
|
Acceleration 0-100km/h
4.6 - 9.4 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
505 - 800 Nm
|
Torque
350 - 740 Nm
|
|
Number of Cylinders
-
|
Number of Cylinders
-
|
|
Power kW
270 - 430 kW
|
Power kW
150 - 374 kW
|
|
Engine capacity
-
|
Engine capacity
-
|
General |
|
|---|---|
|
Model Year
2026
|
Model Year
2025
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
A
|
|
Brand
Mercedes-Benz
|
Brand
Kia
|
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.