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Kia EV9 vs Mercedes E Class comparison

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?

Kia EV9 vs Mercedes E Class: Key differences

Kia EV9

5 (1 Reviews)
rate
  • substantially more electric range

Mercedes E Class

4.7 (2 Reviews)
rate
  • only slightly cheaper
  • somewhat more power
  • slightly quicker 0–100 km/h
  • noticeably lighter
  • visibly 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

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

EV9

Costs and Efficiency:

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.

E Class

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 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.

EV9

Space and Everyday Use:

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.

Who wins the race in the data check?

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.

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
Kia EV9
Mercedes E Class

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

Mercedes E Class

The 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.

details
Kia EV9
Mercedes E Class

Costs and Consumption

Price
54,200 - 78,000 £
Price
50,500 - 119,700 £
Consumption L/100km
-
Consumption L/100km
1.5 - 7.5 L/100km
Consumption kWh/100km
19.5 - 22.8 kWh/100km
Consumption kWh/100km
-
Electric Range
443 - 563 km
Electric Range
101 - 116 km
Battery Capacity
99.8 kWh
Battery Capacity
-
co2
0 g/km
co2
39 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Sedan
Seats
6 - 7
Seats
5
Doors
5
Doors
-
Curb weight
2,392 - 2,664 kg
Curb weight
1,810 - 2,390 kg
Trunk capacity
333 L
Trunk capacity
370 - 540 L
Length
5,015 mm
Length
-
Width
1,980 mm
Width
1,880 mm
Height
1,780 mm
Height
-
Max trunk capacity
2,318 - 2,393 L
Max trunk capacity
-
Payload
542 - 615 kg
Payload
530 - 640 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 508 HP
Power HP
186 - 585 HP
Acceleration 0-100km/h
4.6 - 9.4 s
Acceleration 0-100km/h
4 - 8.5 s
Max Speed
200 km/h
Max Speed
-
Torque
350 - 740 Nm
Torque
320 - 750 Nm
Number of Cylinders
-
Number of Cylinders
4 - 6
Power kW
150 - 374 kW
Power kW
137 - 430 kW
Engine capacity
-
Engine capacity
1,993 - 2,999 cm3

General

Model Year
2,023 - 2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, B, D
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.