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Mercedes GLB vs Renault R4 comparison

Compare performance (354 HP vs 150 HP), boot space and price (43,200 £ vs 27,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Renault R4?

Mercedes GLB vs Renault R4: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • substantially more power
  • noticeably more electric range
  • clearly quicker 0–100 km/h
details

Renault R4

5 (1 Reviews)
rate
  • considerably cheaper
  • marginally more efficient
  • clearly lighter
  • clearly 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.

Renault R4 is considerably cheaper – starting at 27,300 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 15,872 £.

In terms of energy consumption, the Renault R4 is marginally more efficient: consuming 15.1 kWh/100km compared to 15.4 kWh/100km for the Mercedes GLB. That’s a difference of about 0.3 kWh/100km.

As for electric range, the Mercedes GLB offers noticeably more range – reaching up to 631 km, about 222 km more than the Renault R4.

R4

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

When accelerating from 0 to 100 km/h, the Mercedes GLB is clearly quicker – completing the sprint in 5.5 s, while the Renault R4 takes 8.2 s. That’s about 2.7 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers significantly more torque with 515 Nm compared to 245 Nm. That’s about 270 Nm more.

GLB

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, Renault R4 is clearly lighter – 1,510 kg compared to 1,840 kg. The difference is around 330 kg.

Looking at boot space, the Renault R4 offers clearly more boot space – 1,045 L compared to 540 L. That’s a difference of about 505 L.

When it comes to payload, the Mercedes GLB carries a bit more – 505 kg compared to 443 kg. That’s a difference of about 62 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £43,200
GLB

Mercedes GLB

  • Engine Type Electric, Full Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 156 - 354 HP
  • Consumption L/100km 5.7 - 6.1 L/100km
  • Consumption kWh/100km 15.4 - 15.9 kWh/100km
  • Electric Range 431 - 631 km
details

Frequently compared as well

Mercedes GLB
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Mercedes GLB
Renault R4

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.

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19C0853_001
19C0853_003
19C0853_015
19C0853_069
19C0797_007

Reviews Mercedes GLB

3.6 (4 Reviews)
rate
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

Renault R4

The Renault R4, affectionately known as the "R4," is a quintessential symbol of French automotive simplicity and practicality. This classic compact car, originally introduced in the early 1960s, won over numerous enthusiasts with its versatile design and dependable performance. Its no-frills charm and robust build made it a beloved choice for rural drivers and city dwellers alike, cementing its status as an iconic piece of automotive history.

details
R-DAM_1606030
R-DAM_1606039
R-DAM_1605976

Reviews Renault R4

5 (1 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Renault R4

Costs and Consumption
Price
43,200 - 62,400 £
Price
27,300 - 32,800 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
15.1 kWh/100km
Electric Range
431 - 631 km
Electric Range
409 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
2 - 5
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
1,510 - 1,537 kg
Trunk capacity
540 L
Trunk capacity
420 - 1,045 L
Length
-
Length
-
Width
1,861 mm
Width
1,808 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
385 - 443 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
Power HP
156 - 354 HP
Power HP
150 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
8.2 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
245 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
110 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
Renault
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.