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Mazda CX-5 vs Mercedes GLB comparison

Compare performance (141 HP vs 354 HP), boot space and price (30,000 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Mazda CX-5 or Mercedes GLB?

Mazda CX-5 vs Mercedes GLB: Key differences

Mazda CX-5

4.7 (8 Reviews)
rate
  • substantially cheaper
  • a bit lighter
details

Mercedes GLB

3.6 (4 Reviews)
rate
  • substantially more power
  • noticeably more efficient
  • significantly quicker 0–100 km/h
  • moderately 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

CX-5

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.

Mazda CX-5 is substantially cheaper – starting at 30,000 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 13,206 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is noticeably more efficient than the Mazda CX-5 with 7 L/100km. The difference is about 1.3 L/100km.

GLB

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 141 HP. That’s roughly 213 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is significantly quicker – completing the sprint in 5.5 s, while the Mazda CX-5 takes 10.5 s. That’s about 5 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers substantially more torque with 515 Nm compared to 238 Nm. That’s about 277 Nm more.

CX-5

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, Mazda CX-5 is a bit lighter – 1,629 kg compared to 1,840 kg. The difference is around 211 kg.

Looking at boot space, the Mercedes GLB offers moderately more boot space – 540 L compared to 466 L. That’s a difference of about 74 L.

When it comes to payload, the Mazda CX-5 carries moderately more – 601 kg compared to 505 kg. That’s a difference of about 96 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

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Mazda CX-5
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda CX-5

The Mazda CX-5 blends sporty handling with a refined, premium interior, making everyday driving feel engaging and comfortable. It pairs stylish design and thoughtful cabin materials with user-friendly tech to deliver a well-rounded compact SUV that suits drivers who want more driver involvement without sacrificing practicality.

details
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Reviews Mazda CX-5

4.7 (8 Reviews)
rate
Bengt
25 Jan 2026, 14:05:09

I've owned several Volvos, but I drive a Mazda now and would never switch back.

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

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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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

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Mercedes GLB

Costs and Consumption
Price
30,000 - 39,500 £
Price
43,200 - 62,400 £
Consumption L/100km
7 - 7.5 L/100km
Consumption L/100km
5.7 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Electric Range
-
Electric Range
431 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
157 - 169 g/km
co2
0 - 138 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
1,629 - 1,671 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
466 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,860 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
566 - 601 kg
Payload
485 - 505 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Electric, Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
141 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
10.5 - 10.9 s
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
-
Max Speed
-
Torque
238 Nm
Torque
280 - 515 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
104 kW
Power kW
115 - 260 kW
Engine capacity
2,488 cm3
Engine capacity
1,499 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
F
CO2 Efficiency Class
A, D, E
Brand
Mazda
Brand
Mercedes-Benz
Is the Mazda CX-5 offered with different drivetrains?

The Mazda CX-5 is available as Front-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.