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Kia EV9 vs Mercedes GLC EQ comparison

Compare performance (508 HP vs 489 HP), boot space and price (54,200 £ vs 61,100 £ ) at a glance. Find out which car is the better choice for you – Kia EV9 or Mercedes GLC EQ?

Kia EV9 vs Mercedes GLC EQ: Key differences

Kia EV9

5 (1 Reviews)
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  • somewhat cheaper
  • barely more power
  • barely lighter
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Mercedes GLC EQ

  • visibly more efficient
  • clearly more electric range
  • only slightly quicker 0–100 km/h
  • substantially more trunk space
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By Achim Sedelmaier

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

EV9

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Kia EV9 is somewhat cheaper – starting at 54,200 £ , while the Mercedes GLC EQ costs 61,100 £ . That’s a price difference of around 6,936 £.

In terms of energy consumption, the Mercedes GLC EQ is visibly more efficient: consuming 14.9 kWh/100km compared to 19.5 kWh/100km for the Kia EV9. That’s a difference of about 4.6 kWh/100km.

As for electric range, the Mercedes GLC EQ offers clearly more range – reaching up to 714 km, about 151 km more than the Kia EV9.

GLC EQ

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 barely more power – delivering 508 HP compared to 489 HP. That’s roughly 19 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLC EQ is only slightly quicker – completing the sprint in 4.3 s, while the Kia EV9 takes 4.6 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Mercedes GLC EQ delivers marginally more torque with 800 Nm compared to 740 Nm. That’s about 60 Nm more.

EV9

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Kia EV9 offers more seats – 7 vs 5.

In terms of curb weight, Kia EV9 is barely lighter – 2,392 kg compared to 2,535 kg. The difference is around 143 kg.

Looking at boot space, the Mercedes GLC EQ offers substantially more boot space – 570 L compared to 333 L. That’s a difference of about 237 L.

When it comes to payload, the Kia EV9 carries moderately more – 615 kg compared to 505 kg. That’s a difference of about 110 kg.

Who wins the race in the data check?

The Mercedes GLC EQ shows a few small advantages 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 £61,100
GLC EQ

Mercedes GLC EQ

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 489 HP
  • Consumption kWh/100km : 14.9 - 16.6 kWh/100km
  • Electric Range : 645 - 714 km
Kia EV9
Mercedes GLC EQ

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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Mercedes GLC EQ

The Mercedes GLC EQ brings an electrified touch to Mercedes’ compact luxury SUV line, combining a quiet, refined ride with the comfort and polish you expect from the brand. It’s a smart choice for buyers who want premium materials and everyday practicality while reducing fuel use, though it leans more toward comfort than sporty handling.

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Kia EV9
Mercedes GLC EQ

Costs and Consumption

Price
54,200 - 78,000 £
Price
61,100 - 70,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.5 - 22.8 kWh/100km
Consumption kWh/100km
14.9 - 16.6 kWh/100km
Electric Range
443 - 563 km
Electric Range
645 - 714 km
Battery Capacity
-
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
6 - 7
Seats
5
Doors
-
Doors
-
Curb weight
2,392 - 2,664 kg
Curb weight
2,535 kg
Trunk capacity
333 L
Trunk capacity
570 L
Length
-
Length
-
Width
1,980 mm
Width
1,913 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
542 - 615 kg
Payload
505 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
Power HP
204 - 508 HP
Power HP
489 HP
Acceleration 0-100km/h
4.6 - 9.4 s
Acceleration 0-100km/h
4.3 s
Max Speed
-
Max Speed
-
Torque
350 - 740 Nm
Torque
800 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
150 - 374 kW
Power kW
360 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Kia
Brand
Mercedes-Benz
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.