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Mercedes GLB vs Toyota bZ4X comparison

Compare performance (354 HP vs 380 HP), boot space and price (43,200 £ vs 36,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Toyota bZ4X?

Mercedes GLB vs Toyota bZ4X: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • barely more electric range
  • very slightly lighter
details

Toyota bZ4X

4.5 (11 Reviews)
rate
  • slightly cheaper
  • barely more power
  • somewhat more efficient
  • clearly quicker 0–100 km/h
  • slightly more trunk space
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

GLB

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.

Toyota bZ4X is slightly cheaper – starting at 36,800 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 6,349 £.

In terms of energy consumption, the Toyota bZ4X is somewhat more efficient: consuming 13.5 kWh/100km compared to 15.4 kWh/100km for the Mercedes GLB. That’s a difference of about 1.9 kWh/100km.

As for electric range, the Mercedes GLB offers barely more range – reaching up to 631 km, about 40 km more than the Toyota bZ4X.

bZ4X

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 Toyota bZ4X offers barely more power – delivering 380 HP compared to 354 HP. That’s roughly 26 HP more horsepower.

When accelerating from 0 to 100 km/h, the Toyota bZ4X is clearly quicker – completing the sprint in 4.4 s, while the Mercedes GLB takes 5.5 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers markedly more torque with 515 Nm compared to 338 Nm. That’s about 177 Nm more.

GLB

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLB is very slightly lighter – 1,840 kg compared to 1,900 kg. The difference is around 60 kg.

Looking at boot space, the Toyota bZ4X offers slightly more boot space – 669 L compared to 540 L. That’s a difference of about 129 L.

When it comes to payload, the Toyota bZ4X carries slightly more – 565 kg compared to 505 kg. That’s a difference of about 60 kg.

Who wins the race in the data check?

The Toyota bZ4X 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 £36,800
bZ4X

Toyota bZ4X

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 167 - 380 HP
  • Consumption kWh/100km 13.5 - 16.6 kWh/100km
  • Electric Range 444 - 591 km
Mercedes GLB
Toyota bZ4X

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 compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

details

Toyota bZ4X

The Toyota bZ4X is an electric crossover that focuses on a calm ride, practical interior and predictable handling for everyday driving. It suits buyers who want an easygoing, reliable EV with Toyota's familiar build quality and a clean, simple design.

details
Mercedes GLB
Toyota bZ4X

Costs and Consumption

Price
43,200 - 62,400 £
Price
36,800 - 51,000 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
13.5 - 16.6 kWh/100km
Electric Range
431 - 631 km
Electric Range
444 - 591 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
1,900 - 2,180 kg
Trunk capacity
540 L
Trunk capacity
452 - 669 L
Length
-
Length
-
Width
1,861 mm
Width
1,860 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
375 - 565 kg

Engine and Performance

Engine Type
Electric, Full Hybrid
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
Front-Wheel Drive, All-Wheel Drive
Power HP
156 - 354 HP
Power HP
167 - 380 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
4.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
268 - 338 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
123 - 280 kW
Engine capacity
1,499 cm3
Engine capacity
-

General

Model Year
2026
Model Year
2,025 - 2,026
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Toyota
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.