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Mercedes GLB vs MG MG4 comparison

Compare performance (354 HP vs 204 HP), boot space and price (50,600 £ vs 30,500 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or MG MG4?

Mercedes GLB vs MG MG4: Key differences

Mercedes GLB

3.2 (3 Reviews)
rate
  • clearly more power
  • marginally more efficient
  • clearly more electric range
  • visibly quicker 0–100 km/h

MG MG4

5 (2 Reviews)
rate
  • substantially cheaper
  • noticeably lighter

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

GLB

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.

MG MG4 is substantially cheaper – starting at 30,500 £ , while the Mercedes GLB costs 50,600 £ . That’s a price difference of around 20,064 £.

In terms of energy consumption, the Mercedes GLB is marginally more efficient: consuming 15.8 kWh/100km compared to 16.4 kWh/100km for the MG MG4. That’s a difference of about 0.6 kWh/100km.

As for electric range, the Mercedes GLB offers clearly more range – reaching up to 631 km, about 181 km more than the MG MG4.

MG4

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 GLB offers clearly more power – delivering 354 HP compared to 204 HP. That’s roughly 150 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is visibly quicker – completing the sprint in 5.5 s, while the MG MG4 takes 7.1 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers clearly more torque with 515 Nm compared to 250 Nm. That’s about 265 Nm more.

GLB

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, MG MG4 is noticeably lighter – 1,635 kg compared to 2,200 kg. The difference is around 565 kg.

When it comes to payload, the Mercedes GLB carries moderately more – 500 kg compared to 449 kg. That’s a difference of about 51 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £50,600
GLB

Mercedes GLB

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 354 HP
  • Consumption kWh/100km : 15.8 - 15.9 kWh/100km
  • Electric Range : 614 - 631 km
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Frequently compared as well

MG MG4
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLB

The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Reviews Mercedes GLB

3.2 (3 Reviews)
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Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

MG MG4

The MG4 is a sprightly electric hatch that marries bold, modern looks with genuinely useful practicality, making it a great everyday companion for city and weekend life alike. Inside it surprises with a smart, user-friendly cabin and an engaging drive that delivers more personality than you might expect for the price.

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Reviews MG MG4

5 (2 Reviews)
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Angio
12 Jan 2026, 12:26:30

Superb

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Sal
23 Oct 2025, 20:41:36

I tried it today and found the car genuinely pleasant and comfortable to drive.

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Mercedes GLB
MG MG4

Costs and Consumption
Price
50,600 - 62,400 £
Price
30,500 - 36,500 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.8 - 15.9 kWh/100km
Consumption kWh/100km
16.4 - 17 kWh/100km
Electric Range
614 - 631 km
Electric Range
330 - 450 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
2,200 - 2,280 kg
Curb weight
1,635 - 1,695 kg
Trunk capacity
540 L
Trunk capacity
-
Length
-
Length
-
Width
1,861 mm
Width
1,836 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
500 kg
Payload
389 - 449 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
Rear-Wheel Drive
Power HP
272 - 354 HP
Power HP
170 - 204 HP
Acceleration 0-100km/h
5.5 - 7.4 s
Acceleration 0-100km/h
7.1 - 7.6 s
Max Speed
-
Max Speed
-
Torque
335 - 515 Nm
Torque
250 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
200 - 260 kW
Power kW
125 - 150 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,026
Model Year
2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
MG
What drive types are available for the Mercedes GLB?

Available configurations include Rear-Wheel Drive or All-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.