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BMW i4 vs Mercedes GLS comparison

Compare performance (601 HP vs 634 HP), boot space and price (49,400 £ vs 96,100 £ ) at a glance. Find out which car is the better choice for you – BMW i4 or Mercedes GLS?

BMW i4 vs Mercedes GLS: Key differences

BMW i4

4.9 (2 Reviews)
rate
  • substantially cheaper
  • somewhat quicker 0–100 km/h
  • noticeably lighter
  • markedly more trunk space

Mercedes GLS

  • marginally more power

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

i4

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BMW i4 is substantially cheaper – starting at 49,400 £ , while the Mercedes GLS costs 96,100 £ . That’s a price difference of around 46,749 £.

GLS

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 GLS offers marginally more power – delivering 634 HP compared to 601 HP. That’s roughly 33 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i4 is somewhat quicker – completing the sprint in 3.7 s, while the Mercedes GLS takes 4.2 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers only slightly more torque with 850 Nm compared to 795 Nm. That’s about 55 Nm more.

i4

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: Mercedes GLS offers more seats – 7 vs 5.

In terms of curb weight, BMW i4 is noticeably lighter – 2,070 kg compared to 2,550 kg. The difference is around 480 kg.

Looking at boot space, the BMW i4 offers markedly more boot space – 470 L compared to 355 L. That’s a difference of about 115 L.

When it comes to payload, the Mercedes GLS carries clearly more – 695 kg compared to 480 kg. That’s a difference of about 215 kg.

Who wins the race in the data check?

The BMW i4 is clearly superior overall 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 £49,400
i4

BMW i4

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 286 - 601 HP
  • Consumption kWh/100km : 14.7 - 16.7 kWh/100km
  • Electric Range : 514 - 613 km
BMW i4
Mercedes GLS

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW i4

The BMW i4 arrives with the poise of a classic Gran Coupé, marrying BMW's playful handling with a sleek, modern interior that makes switching to electric feel like an upgrade rather than a compromise. For buyers who want a practical daily driver that still enjoys a spirited back-road run, the i4 quietly delivers smiles and a surprising dose of driver engagement.

details

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

details
BMW i4
Mercedes GLS

Costs and Consumption

Price
49,400 - 62,500 £
Price
96,100 - 208,500 £
Consumption L/100km
-
Consumption L/100km
7.8 - 13.7 L/100km
Consumption kWh/100km
14.7 - 16.7 kWh/100km
Consumption kWh/100km
-
Electric Range
514 - 613 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
204 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
90 L

Dimensions and Body

Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
5
Curb weight
2,070 - 2,285 kg
Curb weight
2,550 - 2,825 kg
Trunk capacity
470 L
Trunk capacity
355 L
Length
-
Length
5,208 - 5,233 mm
Width
1,852 mm
Width
1,956 mm
Height
-
Height
1,782 - 1,838 mm
Max trunk capacity
-
Max trunk capacity
2,400 L
Payload
445 - 480 kg
Payload
445 - 695 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
286 - 601 HP
Power HP
333 - 634 HP
Acceleration 0-100km/h
3.7 - 6 s
Acceleration 0-100km/h
4.2 - 6.7 s
Max Speed
-
Max Speed
238 - 280 km/h
Torque
400 - 795 Nm
Torque
500 - 850 Nm
Number of Cylinders
-
Number of Cylinders
6 - 8
Power kW
210 - 442 kW
Power kW
245 - 466 kW
Engine capacity
-
Engine capacity
2,989 - 3,982 cm3

General

Model Year
2,024 - 2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
G
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.