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BMW iX3 vs Mercedes AMG GT 4-Door Coupé comparison

Compare performance (469 HP vs 1,169 HP), boot space and price (54,300 £ vs 132,600 £ ) at a glance. Find out which car is the better choice for you – BMW iX3 or Mercedes AMG GT 4-Door Coupé?

BMW iX3 vs Mercedes AMG GT 4-Door Coupé: Key differences

BMW iX3

4.6 (4 Reviews)
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  • significantly cheaper
  • visibly more efficient
  • a bit more electric range
  • marginally lighter
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Mercedes AMG GT 4-Door Coupé

  • substantially more power
  • substantially 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:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BMW iX3 is significantly cheaper – starting at 54,300 £ , while the Mercedes AMG GT 4-Door Coupé costs 132,600 £ . That’s a price difference of around 78,258 £.

In terms of energy consumption, the BMW iX3 is visibly more efficient: consuming 14.6 kWh/100km compared to 18.1 kWh/100km for the Mercedes AMG GT 4-Door Coupé. That’s a difference of about 3.5 kWh/100km.

As for electric range, the BMW iX3 offers a bit more range – reaching up to 805 km, about 115 km more than the Mercedes AMG GT 4-Door Coupé.

AMG GT 4-Door Coupé

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 AMG GT 4-Door Coupé offers substantially more power – delivering 1,169 HP compared to 469 HP. That’s roughly 700 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT 4-Door Coupé is substantially quicker – completing the sprint in 2.4 s, while the BMW iX3 takes 4.9 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the Mercedes AMG GT 4-Door Coupé delivers significantly more torque with 2,000 Nm compared to 645 Nm. That’s about 1,355 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.

Seats: BMW iX3 offers more seats – 5 vs 4.

In terms of curb weight, BMW iX3 is marginally lighter – 2,360 kg compared to 2,535 kg. The difference is around 175 kg.

When it comes to payload, the BMW iX3 carries marginally more – 465 kg compared to 460 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The Mercedes AMG GT 4-Door Coupé is decisively ahead 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 £132,600
AMG GT 4-Door Coupé

Mercedes AMG GT 4-Door Coupé

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 816 - 1,169 HP
  • Consumption kWh/100km 18.1 - 18.2 kWh/100km
  • Electric Range 686 - 690 km
BMW iX3
Mercedes AMG GT 4-Door Coupé

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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Mercedes AMG GT 4-Door Coupé

The Mercedes-AMG GT 4-Door Coupé transforms AMG's sports-car attitude into a surprisingly practical four-door package, pairing dramatic coupe looks with an interior that's both luxurious and genuinely usable. It's the choice for buyers who want supercar charisma without losing daily comfort — dramatic presence, a rorty soundtrack, and a chassis that turns routine drives into something worth smiling about.

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BMW iX3
Mercedes AMG GT 4-Door Coupé

Costs and Consumption

Price
54,300 - 66,300 £
Price
132,600 - 168,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.6 - 15.1 kWh/100km
Consumption kWh/100km
18.1 - 18.2 kWh/100km
Electric Range
635 - 805 km
Electric Range
686 - 690 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
-
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
2,360 kg
Curb weight
2,535 kg
Trunk capacity
-
Trunk capacity
400 L
Length
-
Length
-
Width
1,895 mm
Width
1,958 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
465 kg
Payload
460 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
All-Wheel Drive
Power HP
320 - 469 HP
Power HP
816 - 1,169 HP
Acceleration 0-100km/h
4.9 - 5.9 s
Acceleration 0-100km/h
2.4 - 2.8 s
Max Speed
-
Max Speed
-
Torque
500 - 645 Nm
Torque
1,800 - 2,000 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
235 - 345 kW
Power kW
600 - 860 kW
Engine capacity
-
Engine capacity
-

General

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