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BMW iX3 vs Mercedes EQS comparison

Compare performance (469 HP vs 585 HP), boot space and price (54,300 £ vs 80,900 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Mercedes EQS?

BMW iX3 vs Mercedes EQS: Key differences

BMW iX3

4.6 (4 Reviews)
rate
  • substantially cheaper
  • only slightly more efficient
  • very slightly lighter
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Mercedes EQS

  • slightly more power
  • somewhat more electric range
  • slightly quicker 0–100 km/h
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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

iX3

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BMW iX3 is substantially cheaper – starting at 54,300 £ , while the Mercedes EQS costs 80,900 £ . That’s a price difference of around 26,574 £.

In terms of energy consumption, the BMW iX3 is only slightly more efficient: consuming 14.6 kWh/100km compared to 15.5 kWh/100km for the Mercedes EQS. That’s a difference of about 0.9 kWh/100km.

As for electric range, the Mercedes EQS offers somewhat more range – reaching up to 920 km, about 115 km more than the BMW iX3.

EQS

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes EQS offers slightly more power – delivering 585 HP compared to 469 HP. That’s roughly 116 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS is slightly quicker – completing the sprint in 4.1 s, while the BMW iX3 takes 4.9 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the Mercedes EQS delivers moderately more torque with 800 Nm compared to 645 Nm. That’s about 155 Nm more.

iX3

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, BMW iX3 is very slightly lighter – 2,360 kg compared to 2,550 kg. The difference is around 190 kg.

When it comes to payload, the Mercedes EQS carries moderately more – 570 kg compared to 465 kg. That’s a difference of about 105 kg.

Who wins the race in the data check?

The Mercedes EQS holds a solid 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 £80,900
EQS

Mercedes EQS

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 367 - 585 HP
  • Consumption kWh/100km 15.5 - 16.3 kWh/100km
  • Electric Range 810 - 920 km
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Frequently compared as well

BMW iX3
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW iX3

The BMW iX3 is an electric SUV that delivers the composed, premium driving experience BMW buyers expect. With a calm, refined cabin and practical everyday usability, it’s a strong choice for those who want electric motoring without giving up luxury and comfort.

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Reviews BMW iX3

4.6 (4 Reviews)
rate
Johan
20 Sept 2025, 16:15:37

Nice range, fast charging and… bidirectional charging!!

Mercedes EQS

The Mercedes EQS is a silent, spaceship-like flagship that turns electric luxury into zen on wheels, wrapped in a swooping design that insists on being admired. Inside it’s all glassy screens and soft-touch surfaces that make long trips feel like first class, and the driving experience is composed and effortless — like a courteous butler with an electric heart.

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Reviews Mercedes EQS

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

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Mercedes EQS

Costs and Consumption
Price
54,300 - 66,300 £
Price
80,900 - 117,500 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Electric Range
635 - 805 km
Electric Range
810 - 920 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
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,360 kg
Curb weight
2,550 - 2,660 kg
Trunk capacity
-
Trunk capacity
610 L
Length
-
Length
-
Width
1,895 mm
Width
1,926 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
465 kg
Payload
545 - 570 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
320 - 469 HP
Power HP
367 - 585 HP
Acceleration 0-100km/h
4.9 - 5.9 s
Acceleration 0-100km/h
4.1 - 6.2 s
Max Speed
-
Max Speed
-
Torque
500 - 645 Nm
Torque
505 - 800 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
235 - 345 kW
Power kW
270 - 430 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BMW
Brand
Mercedes-Benz
What drive types are available for the BMW iX3?

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.