VS

Kia EV9 vs Mercedes EQS SUV comparison

Compare performance (508 HP vs 658 HP), boot space and price (54,600 £ vs 95,000 £ ) at a glance. Find out which car is the better choice for you – Kia EV9 or Mercedes EQS SUV?

Kia EV9 vs Mercedes EQS SUV: Key differences

Kia EV9

5 (1 Reviews)
rate
  • considerably cheaper
  • only slightly more efficient
  • moderately lighter
details

Mercedes EQS SUV

  • visibly more power
  • moderately more electric range
  • only slightly quicker 0–100 km/h
  • clearly more trunk space
details

By Achim Sedelmaier

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

EV9

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 considerably cheaper – starting at 54,600 £ , while the Mercedes EQS SUV costs 95,000 £ . That’s a price difference of around 40,381 £.

In terms of energy consumption, the Kia EV9 is only slightly more efficient: consuming 19.5 kWh/100km compared to 19.6 kWh/100km for the Mercedes EQS SUV. That’s a difference of about 0.1 kWh/100km.

As for electric range, the Mercedes EQS SUV offers moderately more range – reaching up to 695 km, about 132 km more than the Kia EV9.

EQS SUV

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 SUV offers visibly more power – delivering 658 HP compared to 508 HP. That’s roughly 150 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS SUV is only slightly quicker – completing the sprint in 4.4 s, while the Kia EV9 takes 4.6 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Mercedes EQS SUV delivers visibly more torque with 950 Nm compared to 740 Nm. That’s about 210 Nm more.

EV9

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 moderately lighter – 2,392 kg compared to 2,695 kg. The difference is around 303 kg.

Looking at boot space, the Mercedes EQS SUV offers clearly more boot space – 645 L compared to 333 L. That’s a difference of about 312 L.

When it comes to payload, the Kia EV9 carries very slightly 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 SUV is narrowly ahead 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
details

Frequently compared as well

Kia EV9
Kia EV5
VS
The Kia EV9 and Kia EV5 are Kia's all-electric SUVs aimed at different buyers: the EV9 is a larger, three-row flagship built for family space and long-distance comfort, while the EV5 is a smaller, more city-oriented crossover that focuses on efficiency and value. I’ll compare their key differences …
Kia EV9
Kia PV5
VS
Think of the Kia EV9 as Kia’s roomy, long-range electric flagship and the PV5 as its compact, city‑friendly counterpart. This comparison will focus on the practical trade‑offs—space, range, efficiency and driving character—so you can pick the EV that best fits your needs.
Kia EV9
Mercedes EQS SUV

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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
KIA_EV9-GTLine-Static_01
KIA_EV9-GTLine-Static_03
KIA_EV9-GTLine-Detail_02
KIA_EV9-GTLine-Interior_02
KIA_EV9-GTLine-Interior_01

Reviews Kia EV9

5 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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.

details
22C0307_016
22C0307_013
22C0307_035
22C0307_044

Reviews Mercedes EQS SUV

No reviews yet. Share your experience and help others decide.

Frequently compared as well

Hyundai Santa Fe
Kia EV9
VS
The Hyundai Santa Fe and Kia EV9 present distinct choices for SUV enthusiasts, each catering to different market segments. The Santa Fe, with its robust internal combustion engine options, is perfect for families seeking reliability and comfort on long road trips, while the all-electric Kia EV9 …
BYD Tang
Kia EV9
VS
BYD Tang and Kia EV9 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the BYD Tang or the Kia EV9 is the …
Kia EV3
Kia EV9
VS
In a showdown between Kia's all-electric siblings, the EV3 and the EV9, each model brings unique strengths to the table. The compact, agile EV3 excels in urban environments with its nimble handling and efficient energy use, making it the ideal choice for city dwellers. On the other hand, the …
Kia EV9
Volvo EX90
VS
The Kia EV9 and Volvo EX90 are two formidable contenders in the electric SUV segment, each boasting impressive features and cutting-edge technology. The EV9 stands out with its bold design and versatile interior, appealing to families and adventurers alike. Meanwhile, the EX90 prioritizes safety …
Mercedes GLC
Mercedes EQS SUV
VS
Mercedes GLC and Mercedes EQS SUV go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Mercedes GLC or the …
Kia EV9
Lexus RZ
VS
The Kia EV9 and Lexus RZ are two electric SUVs that both promise modern tech and zero-emission practicality, but they target different buyers with contrasting sizes, design priorities and driving characters. This comparison cuts through the marketing to show how the EV9’s roomy, value-focused …
Kia EV9
Land Rover Defender
VS
Kia EV9 and Land Rover Defender go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Kia EV9 or the Land …
Kia EV9
Tesla Model Y
VS
In the realm of electric SUVs, the Kia EV9 and Tesla Model Y present two compelling options, each with its own unique strengths. The EV9 impresses with its spacious interior and advanced technology features, while the Model Y offers exceptional performance and the extensive Supercharger network …
Kia EV9
Mercedes EQS SUV

Costs and Consumption
Price
54,600 - 78,400 £
Price
95,000 - 212,100 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.5 - 22.8 kWh/100km
Consumption kWh/100km
19.6 - 21.9 kWh/100km
Electric Range
443 - 563 km
Electric Range
615 - 695 km
Battery Capacity
-
Battery Capacity
108.4 - 118 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
6 - 7
Seats
4 - 5
Doors
-
Doors
5
Curb weight
2,392 - 2,664 kg
Curb weight
2,695 - 3,075 kg
Trunk capacity
333 L
Trunk capacity
440 - 645 L
Length
-
Length
5,125 mm
Width
1,980 mm
Width
1,959 - 2,034 mm
Height
-
Height
1,718 - 1,721 mm
Max trunk capacity
-
Max trunk capacity
2,100 L
Payload
542 - 615 kg
Payload
425 - 570 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
All-Wheel Drive, Rear-Wheel Drive
Power HP
204 - 508 HP
Power HP
360 - 658 HP
Acceleration 0-100km/h
4.6 - 9.4 s
Acceleration 0-100km/h
4.4 - 6.8 s
Max Speed
-
Max Speed
210 km/h
Torque
350 - 740 Nm
Torque
568 - 950 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
150 - 374 kW
Power kW
265 - 484 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Kia
Brand
Mercedes-Benz
What drivetrain options does the Kia EV9 have?

Available configurations include 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.