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Mazda 3 Hatchback vs Mercedes GLS comparison

Compare performance (186 HP vs 404 HP), boot space and price (25,000 £ vs 92,700 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Hatchback or Mercedes GLS?

Mazda 3 Hatchback vs Mercedes GLS: Key differences

Mazda 3 Hatchback

5 (1 Reviews)
rate
  • substantially cheaper
  • considerably more efficient
  • considerably lighter
details

Mercedes GLS

  • considerably more power
  • clearly quicker 0–100 km/h
  • very slightly more trunk space
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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 substantially cheaper – starting at 25,000 £ , while the Mercedes GLS costs 92,700 £ . That’s a price difference of around 67,642 £.

Fuel consumption also shows a difference: the Mazda 3 Hatchback uses 5.6 L/100km and is considerably more efficient than the Mercedes GLS with 7.9 L/100km. The difference is about 2.3 L/100km.

GLS

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes GLS offers considerably more power – delivering 404 HP compared to 186 HP. That’s roughly 218 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is clearly quicker – completing the sprint in 5.6 s, while the Mazda 3 Hatchback takes 8 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers clearly more torque with 750 Nm compared to 240 Nm. That’s about 510 Nm more.

3 Hatchback

Space and Everyday Use:

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

Seats: Mercedes GLS offers more seats – 7 vs 5.

In terms of curb weight, Mazda 3 Hatchback is considerably lighter – 1,417 kg compared to 2,580 kg. The difference is around 1,163 kg.

Looking at boot space, the Mercedes GLS offers very slightly more boot space – 355 L compared to 351 L. That’s a difference of about 4 L.

When it comes to payload, the Mercedes GLS carries markedly more – 820 kg compared to 502 kg. That’s a difference of about 318 kg.

Who wins the race in the data check?

The Mazda 3 Hatchback 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 £25,000
3 Hatchback

Mazda 3 Hatchback

  • Engine Type Petrol MHEV
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 140 - 186 HP
  • Consumption L/100km 5.6 - 6.5 L/100km
details

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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.

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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 GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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18C1072_111

Reviews Mercedes GLS

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

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Mercedes GLS

Costs and Consumption
Price
25,000 - 36,000 £
Price
92,700 - 104,600 £
Consumption L/100km
5.6 - 6.5 L/100km
Consumption L/100km
7.9 - 9.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
126 - 146 g/km
co2
206 - 226 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
1,417 - 1,529 kg
Curb weight
2,580 - 2,670 kg
Trunk capacity
351 L
Trunk capacity
355 L
Length
-
Length
-
Width
1,795 mm
Width
1,956 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
487 - 502 kg
Payload
810 - 820 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
140 - 186 HP
Power HP
336 - 404 HP
Acceleration 0-100km/h
8 - 9.8 s
Acceleration 0-100km/h
5.6 - 6.2 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
560 - 750 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
103 - 137 kW
Power kW
247 - 297 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
2,989 - 2,999 cm3

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
D, E
CO2 Efficiency Class
G
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.