VS

Mazda 3 Hatchback vs Mercedes GLB comparison

Compare performance (186 HP vs 354 HP), boot space and price (25,000 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Hatchback or Mercedes GLB?

Mazda 3 Hatchback vs Mercedes GLB: Key differences

Mazda 3 Hatchback

5 (1 Reviews)
rate
  • considerably cheaper
  • very slightly more efficient
  • noticeably lighter
details

Mercedes GLB

3.6 (4 Reviews)
rate
  • considerably more power
  • significantly quicker 0–100 km/h
  • visibly 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

3 Hatchback

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.

Mazda 3 Hatchback is considerably cheaper – starting at 25,000 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 18,177 £.

Fuel consumption also shows a difference: the Mazda 3 Hatchback uses 5.6 L/100km and is very slightly more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 0.1 L/100km.

GLB

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 186 HP. That’s roughly 168 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 3 Hatchback takes 8 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers significantly more torque with 515 Nm compared to 240 Nm. That’s about 275 Nm more.

3 Hatchback

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 3 Hatchback is noticeably lighter – 1,417 kg compared to 1,840 kg. The difference is around 423 kg.

Looking at boot space, the Mercedes GLB offers visibly more boot space – 540 L compared to 351 L. That’s a difference of about 189 L.

When it comes to payload, the Mercedes GLB carries barely more – 505 kg compared to 502 kg. That’s a difference of about 3 kg.

Who wins the race in the data check?

The Mercedes GLB is clearly superior 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

Mercedes GLB
smart #5
VS
The Mercedes GLB is a sensible, slightly boxy premium compact SUV that delivers real-world space, family practicality and a composed long-distance ride, while the smart #5 is a punchy electric crossover that trades rear-seat room for sharp styling, low running costs and urban agility. If you …
Mercedes EQB
Mercedes GLB
VS
The Mercedes EQB and Mercedes GLB target the same compact‑SUV buyers but take very different routes: the EQB is the all‑electric choice while the GLB relies on conventional petrol/diesel and mild‑hybrid engines. This quick comparison looks at driving character, interior practicality, range and …
Mazda 3 Hatchback
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 3 Hatchback

The Mazda 3 hatchback blends elegant design with a surprisingly sporty drive, giving a cabin that feels more upscale than you’d expect for the segment. Practical enough for everyday life yet eager to entertain behind the wheel, it’s a smart, good-humored choice that makes even grocery runs feel like a mini escape.

details
2022_mazda3_spain_act_23_highres
2022_mazda3_spain_act_15_highres
2022_mazda3_spain_still_14_highres
2022_mazda3_spain_int_01_highres
2022_mazda3_pq_spain_int_05_highres

Reviews Mazda 3 Hatchback

5 (1 Reviews)
rate
j m
29 Jun 2026, 22:06:55

power
efficiency and low consumption
driving pleasure
wonderful e-drive and head-up projection display on the windshield

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
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

Frequently compared as well

BMW iX3
Mercedes GLB
VS
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 …
Mercedes GLB
VW Tayron
VS
The Mercedes GLB and VW Tayron are compact SUVs that both promise roomy cabins and practical versatility, but they take different routes — the GLB pushes a more premium, flexible interior with optional third-row seating, while the Tayron focuses on solid value and straightforward Volkswagen …
Mercedes GLB
Volvo EX60
VS
Line up the pragmatic, boxy Mercedes GLB — a family-friendly compact SUV that prides itself on space and sensible engineering — against the sleek, tech-forward Volvo EX60 with its unmistakable Scandinavian design and safety-first instincts. It’s a clash of personalities: German practicality and …
Mercedes GLB
Mercedes GLE
VS
In the competitive luxury SUV segment, the Mercedes GLB stands out with its compact dimensions and versatile interior, making it an ideal choice for urban drivers seeking practicality without sacrificing style. In contrast, the Mercedes GLE offers a more spacious cabin and robust performance, …
Mercedes GLB
Skoda Kodiaq
VS
The Mercedes GLB dresses up compact practicality in a premium suit, with crisp tech and city-friendly manners, while the Skoda Kodiaq goes full-on family hauler, offering cavernous space and sensible value. Choose the GLB for style and badge appeal; pick the Kodiaq if you need seats, luggage and a …
Mercedes CLA Shooting Brake
Mercedes GLB
VS
The Mercedes CLA Shooting Brake and the Mercedes GLB take two very different approaches to compact premium motoring: the CLA Shooting Brake pairs coupe-like styling with an estate’s practicality, while the GLB is a boxy, family-focused compact SUV that emphasizes space and versatility. If you …
Mercedes B Class
Mercedes GLB
VS
When pitting the Mercedes B-Class against the Mercedes GLB, one quickly notices the distinct personalities of these two models. The B-Class offers a compact, agile experience perfect for urban environments, while the GLB combines that agility with a more spacious, SUV-like presence, making it ideal …
Mercedes GLB
Skoda Enyaq
VS
Mercedes GLB and Skoda Enyaq go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the Mercedes GLB or the Skoda …
Mazda 3 Hatchback
Mercedes GLB

Costs and Consumption
Price
25,000 - 36,000 £
Price
43,200 - 62,400 £
Consumption L/100km
5.6 - 6.5 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
126 - 146 g/km
co2
0 - 138 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,417 - 1,529 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
351 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,795 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
487 - 502 kg
Payload
485 - 505 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Electric, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
140 - 186 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
8 - 9.8 s
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
280 - 515 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
103 - 137 kW
Power kW
115 - 260 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
1,499 cm3

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
D, E
CO2 Efficiency Class
A, D, E
Brand
Mazda
Brand
Mercedes-Benz
What drive types are available for the Mazda 3 Hatchback?

Available configurations include 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.