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Kia EV9 vs Mercedes EQB comparison

Compare performance (508 HP vs 292 HP), boot space and price (54,200 £ vs 45,900 £ ) at a glance. Find out which car is the better choice for you – Kia EV9 or Mercedes EQB?

Kia EV9 vs Mercedes EQB: Key differences

Kia EV9

5 (1 Reviews)
rate
  • clearly more power
  • only slightly more electric range
  • markedly quicker 0–100 km/h

Mercedes EQB

4.3 (3 Reviews)
rate
  • moderately cheaper
  • noticeably more efficient
  • a bit lighter
  • noticeably more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

EV9

Introduction: The Electrifying Showdown

The surge in electric vehicle (EV) popularity has sparked fierce competition in the automotive market, particularly in the SUV segment. Today, we pit two titans against each other: the Kia EV9 and the Mercedes EQB. While both vehicles boast impressive technological innovations and sustainability credentials, they cater to slightly different audiences. Let’s dive into a detailed comparison of these electric powerhouses!

EQB

Technical Specifications Overview

Beneath the sleek exteriors of the Kia EV9 and Mercedes EQB lies a treasure trove of technical specifications that define their performance and capabilities. The Kia EV9 showcases two prominent variants with choices in battery capacity and power output, tapping into both rear-wheel and all-wheel drive systems. Conversely, the EQB features a more conventional layout with front-wheel and all-wheel drive options, delivering competitive power figures.

EV9

Power and Performance

The Kia EV9 rises to the challenge with impressive power output ranging from 204 HP in its base model to a staggering 385 HP in the top-tier variant. With torque figures peaking at 700 Nm, the EV9 offers rapid acceleration capabilities, clocking 0-100 km/h in as little as 5.3 seconds. On the other hand, the Mercedes EQB, while slightly less powerful, offers performance that suits daily commuting, with outputs from 190 HP to 292 HP and a brisk acceleration of 0-100 km/h in 6.2 seconds.

Both vehicles feature automatic transmissions paired with reduction gearboxes for optimized performance. However, the Kia EV9's maximum speed reaches 200 km/h, while the EQB is capped at a lower 160 km/h, reflecting the Kia's sportier aspirations.

EQB

Range and Efficiency

Range anxiety is a common concern among EV buyers, but both the Kia EV9 and Mercedes EQB excel in this area. The EV9 offers an impressive electric range of up to 563 km with its larger battery capacity of 99.8 kWh, whereas the EQB delivers a more modest range of up to 533 km with its maximum battery option of 70.5 kWh.

In terms of consumption, the EQB takes the lead in efficiency with figures as low as 15.2 kWh/100 km. The Kia EV9, while slightly less efficient with 20.2 kWh/100 km in its base version, still maintains a competitive edge in the market.

EV9

Design and Dimensions

From a design perspective, both SUVs exude sophistication and modernity, appealing to buyers seeking style and functionality. The Kia EV9 measures 5010 mm in length, 1980 mm in width, and 1755 mm in height, making it a spacious option for families. In comparison, the Mercedes EQB is more compact, measuring at 4684 mm in length, 1834 mm in width, and 1654 mm in height. Despite its smaller stature, the EQB impresses with a trunk capacity of 495 liters, overshadowing the EV9’s 333 liters.

EQB

Interior and Technology

Inside, both vehicles promise a blend of comfort and cutting-edge technology. The Kia EV9 can accommodate up to seven passengers, making it an excellent choice for larger families, while the EQB offers seating for five. Each model integrates advanced infotainment systems and driver assistance technologies, meeting the demands of the modern driver.

The Mercedes EQB dazzles with a refined interior ambiance, showcasing premium materials and state-of-the-art features synonymous with the Mercedes brand. Meanwhile, the Kia EV9 excels with its smart layout and emphasis on user-friendly interfaces, particularly appealing to tech-savvy families.

EV9

Conclusion: Which One to Choose?

Choosing between the Kia EV9 and Mercedes EQB ultimately boils down to individual preferences and needs. The Kia EV9 is an exhilarating option for those desiring power, space, and range, while the Mercedes EQB, with its superior efficiency and luxurious feel, caters well to those prioritizing comfort and brand prestige. Whatever your choice, both vehicles are formidable players in the ever-evolving electric SUV market, paving the way towards a sustainable and electrifying future.

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

EV9

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.

Mercedes EQB is moderately cheaper – starting at 45,900 £ , while the Kia EV9 costs 54,200 £ . That’s a price difference of around 8,293 £.

In terms of energy consumption, the Mercedes EQB is noticeably more efficient: consuming 15.2 kWh/100km compared to 19.5 kWh/100km for the Kia EV9. That’s a difference of about 4.3 kWh/100km.

As for electric range, the Kia EV9 offers only slightly more range – reaching up to 563 km, about 28 km more than the Mercedes EQB.

EQB

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 Kia EV9 offers clearly more power – delivering 508 HP compared to 292 HP. That’s roughly 216 HP more horsepower.

When accelerating from 0 to 100 km/h, the Kia EV9 is markedly quicker – completing the sprint in 4.6 s, while the Mercedes EQB takes 6.2 s. That’s about 1.6 s quicker.

Looking at top speed, the Kia EV9 is somewhat faster – reaching 200 km/h, while the Mercedes EQB tops out at 160 km/h. The difference is around 40 km/h.

There’s also a difference in torque: the Kia EV9 delivers noticeably more torque with 740 Nm compared to 520 Nm. That’s about 220 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, Mercedes EQB is a bit lighter – 2,105 kg compared to 2,392 kg. The difference is around 287 kg.

Looking at boot space, the Mercedes EQB offers noticeably more boot space – 495 L compared to 333 L. That’s a difference of about 162 L.

For maximum load capacity, the Kia EV9 offers visibly more capacity – up to 2,393 L, about 683 L more than the Mercedes EQB.

When it comes to payload, the Kia EV9 carries clearly more – 615 kg compared to 435 kg. That’s a difference of about 180 kg.

Who wins the race in the data check?

The Kia EV9 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 £54,200
EV9

Kia EV9

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 204 - 508 HP
  • Consumption kWh/100km : 19.5 - 22.8 kWh/100km
  • Electric Range : 443 - 563 km
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Kia EV9
Mercedes EQB

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.

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Reviews Kia EV9

5 (1 Reviews)
rate

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

Mercedes EQB

The Mercedes EQB is an electric compact SUV that dresses Mercedes' premium feel in practical clothing, with flexible seating and a serene, composed ride that turns everyday errands into a small luxury. It won't thrill the enthusiast, but for buyers who want a smart, spacious and well-made EV with tasteful tech and real-world usability, the EQB is a sensible, slightly buttoned-up choice that impresses without shouting.

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Reviews Mercedes EQB

4.3 (3 Reviews)
rate
Stefan
4 Dec 2025, 21:05:57

A bit boring and no longer up-to-date with its slow charging speed...

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Costs and Consumption
Price
54,200 - 78,000 £
Price
45,900 - 58,900 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.5 - 22.8 kWh/100km
Consumption kWh/100km
15.2 - 17.2 kWh/100km
Electric Range
443 - 563 km
Electric Range
468 - 535 km
Battery Capacity
99.8 kWh
Battery Capacity
70.5 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
5
Doors
5
Doors
5
Curb weight
2,392 - 2,664 kg
Curb weight
2,105 - 2,170 kg
Trunk capacity
333 L
Trunk capacity
495 L
Length
5,015 mm
Length
4,684 mm
Width
1,980 mm
Width
1,834 mm
Height
1,780 mm
Height
1,654 - 1,689 mm
Max trunk capacity
2,318 - 2,393 L
Max trunk capacity
1,710 L
Payload
542 - 615 kg
Payload
435 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
Front-Wheel Drive, All-Wheel Drive
Power HP
204 - 508 HP
Power HP
190 - 292 HP
Acceleration 0-100km/h
4.6 - 9.4 s
Acceleration 0-100km/h
6.2 - 8.9 s
Max Speed
200 km/h
Max Speed
160 km/h
Torque
350 - 740 Nm
Torque
385 - 520 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
150 - 374 kW
Power kW
140 - 215 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,023 - 2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Kia
Brand
Mercedes-Benz
What drivetrain options does the Kia EV9 have?

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.