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Mercedes GLB vs Renault R5 comparison

Compare performance (354 HP vs 150 HP), boot space and price (43,200 £ vs 24,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Renault R5?

Mercedes GLB vs Renault R5: Key differences

Mercedes GLB

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

Renault R5

4.4 (2 Reviews)
rate
  • clearly cheaper
  • barely more efficient
  • noticeably lighter
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:

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

Renault R5 is clearly cheaper – starting at 24,000 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 19,197 £.

In terms of energy consumption, the Renault R5 is barely more efficient: consuming 14.8 kWh/100km compared to 15.4 kWh/100km for the Mercedes GLB. 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 226 km more than the Renault R5.

R5

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 GLB offers considerably 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 substantially quicker – completing the sprint in 5.5 s, while the Renault R5 takes 8 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers substantially more torque with 515 Nm compared to 245 Nm. That’s about 270 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, Renault R5 is noticeably lighter – 1,447 kg compared to 1,840 kg. The difference is around 393 kg.

Looking at boot space, the Mercedes GLB offers noticeably more boot space – 540 L compared to 326 L. That’s a difference of about 214 L.

When it comes to payload, the Mercedes GLB carries a bit more – 505 kg compared to 418 kg. That’s a difference of about 87 kg.

Who wins the race in the data check?

The Mercedes GLB is far ahead 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 £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

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The BMW iX3 and Mercedes GLB go head-to-head as two very different takes on the premium compact SUV: the iX3 is BMW’s electric, efficiency-focused offering while the GLB is Mercedes’ practical, multi‑seat family SUV. This comparison will help you weigh the iX3’s EV range, refinement and tech …
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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 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
19C0853_001
19C0853_003
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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 R5

The Renault 5 blends classic styling cues with contemporary design, giving it a playful and characterful presence on the road. It’s a city-focused hatchback that feels nimble and cleverly packaged, ideal for drivers who want personality and practicality.

details
D9BB3E56-4B0D-4E48-A734-11A1714B92A5
79A3C149-BC71-4BE3-A149-986DD84D251C
DDEACB99-545B-4C72-B12C-AB35E7B77365

Reviews Renault R5

4.4 (2 Reviews)
rate
Walter
4 Nov 2025, 21:42:46

Practical, nimble, and fun to drive. For rather small drivers up to 1.75 m there's plenty of space even on the back seat. Useful driver-assist systems, and Android Auto works well. Very economical in summer. In winter a lot of energy is used in the first five minutes to bring the battery up to 20°C, which makes consumption on short winter trips very high.

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Mercedes GLB
Renault R5

Costs and Consumption
Price
43,200 - 62,400 £
Price
24,000 - 27,000 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
14.8 - 15.2 kWh/100km
Electric Range
431 - 631 km
Electric Range
307 - 405 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
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
1,447 - 1,524 kg
Trunk capacity
540 L
Trunk capacity
326 L
Length
-
Length
-
Width
1,861 mm
Width
1,744 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
396 - 418 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
122 - 150 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
8 - 9 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
225 - 245 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
90 - 110 kW
Engine capacity
1,499 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2025
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.