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Mercedes EQS vs BMW iX3 comparison

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

Mercedes EQS vs BMW iX3: Key differences

Mercedes EQS

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

BMW iX3

4.6 (4 Reviews)
rate
  • significantly cheaper
  • very slightly more efficient
  • barely lighter
details

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

EQS

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BMW iX3 is significantly 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 very 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.

iX3

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 EQS offers a bit 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 somewhat more torque with 800 Nm compared to 645 Nm. That’s about 155 Nm more.

EQS

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 barely 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 stands out in the key areas 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
Mercedes EQS
BMW iX3

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

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.

details

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.

details
Mercedes EQS
BMW iX3

Costs and Consumption

Price
80,900 - 117,500 £
Price
54,300 - 66,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Electric Range
810 - 920 km
Electric Range
635 - 805 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,550 - 2,660 kg
Curb weight
2,360 kg
Trunk capacity
610 L
Trunk capacity
-
Length
-
Length
-
Width
1,926 mm
Width
1,895 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
545 - 570 kg
Payload
465 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, Rear-Wheel Drive
Power HP
367 - 585 HP
Power HP
320 - 469 HP
Acceleration 0-100km/h
4.1 - 6.2 s
Acceleration 0-100km/h
4.9 - 5.9 s
Max Speed
-
Max Speed
-
Torque
505 - 800 Nm
Torque
500 - 645 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
270 - 430 kW
Power kW
235 - 345 kW
Engine capacity
-
Engine capacity
-

General

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