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?
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.
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.
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.
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.
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.
detailsThe 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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Costs and Consumption |
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Price
54,200 - 78,000 £
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Price
61,100 - 70,600 £
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Consumption L/100km
-
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Consumption L/100km
-
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Consumption kWh/100km
19.5 - 22.8 kWh/100km
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Consumption kWh/100km
14.9 - 16.6 kWh/100km
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Electric Range
443 - 563 km
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Electric Range
645 - 714 km
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Battery Capacity
-
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Battery Capacity
-
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co2
0 g/km
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co2
0 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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Body Type
SUV
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Body Type
SUV
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Seats
6 - 7
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Seats
5
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Doors
-
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Doors
-
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Curb weight
2,392 - 2,664 kg
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Curb weight
2,535 kg
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Trunk capacity
333 L
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Trunk capacity
570 L
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Length
-
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Length
-
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Width
1,980 mm
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Width
1,913 mm
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Height
-
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Height
-
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Max trunk capacity
-
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Max trunk capacity
-
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Payload
542 - 615 kg
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Payload
505 kg
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Engine and Performance |
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Engine Type
Electric
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Engine Type
Electric
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Reduction Gearbox
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Transmission Detail
Reduction Gearbox
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Drive Type
All-Wheel Drive
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Power HP
204 - 508 HP
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Power HP
489 HP
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Acceleration 0-100km/h
4.6 - 9.4 s
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Acceleration 0-100km/h
4.3 s
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Max Speed
-
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Max Speed
-
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Torque
350 - 740 Nm
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Torque
800 Nm
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Number of Cylinders
-
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Number of Cylinders
-
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Power kW
150 - 374 kW
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Power kW
360 kW
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Engine capacity
-
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Engine capacity
-
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General |
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Model Year
2025
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Model Year
2026
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CO2 Efficiency Class
A
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CO2 Efficiency Class
A
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Brand
Kia
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Brand
Mercedes-Benz
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