Compare performance (508 HP vs 585 HP), boot space and price (54,200 £ vs 50,500 £ ) at a glance. Find out which car is the better choice for you – Kia EV9 or Mercedes E Class?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.
Mercedes E Class is only slightly cheaper – starting at 50,500 £ , while the Kia EV9 costs 54,200 £ . That’s a price difference of around 3,672 £.
As for electric range, the Kia EV9 offers substantially more range – reaching up to 563 km, about 447 km more than the Mercedes E Class.
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 E Class offers somewhat 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 E Class is slightly quicker – completing the sprint in 4 s, while the Kia EV9 takes 4.6 s. That’s about 0.6 s quicker.
There’s also a difference in torque: the Mercedes E Class delivers only slightly more torque with 750 Nm compared to 740 Nm. That’s about 10 Nm more.
Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.
Seats: Kia EV9 offers more seats – 7 vs 5.
In terms of curb weight, Mercedes E Class is noticeably lighter – 1,810 kg compared to 2,392 kg. The difference is around 582 kg.
Looking at boot space, the Mercedes E Class offers visibly more boot space – 540 L compared to 333 L. That’s a difference of about 207 L.
When it comes to payload, the Mercedes E Class carries only slightly more – 640 kg compared to 615 kg. That’s a difference of about 25 kg.
The Kia EV9 holds a decisive overall lead 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 E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.
detailsCosts and Consumption |
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|---|---|
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Price
54,200 - 78,000 £
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Price
50,500 - 119,700 £
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Consumption L/100km
-
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Consumption L/100km
1.5 - 7.5 L/100km
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Consumption kWh/100km
19.5 - 22.8 kWh/100km
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Consumption kWh/100km
-
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Electric Range
443 - 563 km
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Electric Range
101 - 116 km
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Battery Capacity
99.8 kWh
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Battery Capacity
-
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co2
0 g/km
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co2
39 - 172 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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|---|---|
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Body Type
SUV
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Body Type
Sedan
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Seats
6 - 7
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Seats
5
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Doors
5
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Doors
-
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Curb weight
2,392 - 2,664 kg
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Curb weight
1,810 - 2,390 kg
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Trunk capacity
333 L
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Trunk capacity
370 - 540 L
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Length
5,015 mm
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Length
-
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Width
1,980 mm
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Width
1,880 mm
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Height
1,780 mm
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Height
-
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Max trunk capacity
2,318 - 2,393 L
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Max trunk capacity
-
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Payload
542 - 615 kg
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Payload
530 - 640 kg
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Engine and Performance |
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|---|---|
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Engine Type
Electric
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Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
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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
Automatic Gearbox
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Drive Type
All-Wheel Drive, Rear-Wheel Drive
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Power HP
204 - 508 HP
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Power HP
186 - 585 HP
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Acceleration 0-100km/h
4.6 - 9.4 s
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Acceleration 0-100km/h
4 - 8.5 s
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Max Speed
200 km/h
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Max Speed
-
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Torque
350 - 740 Nm
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Torque
320 - 750 Nm
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Number of Cylinders
-
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Number of Cylinders
4 - 6
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Power kW
150 - 374 kW
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Power kW
137 - 430 kW
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Engine capacity
-
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Engine capacity
1,993 - 2,999 cm3
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General |
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|---|---|
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Model Year
2,023 - 2,025
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Model Year
2,024 - 2,025
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CO2 Efficiency Class
A
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CO2 Efficiency Class
E, F, B, D
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Brand
Kia
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Brand
Mercedes-Benz
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