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Mazda 6 Saloon vs Mercedes EQB comparison

Compare performance (258 HP vs 292 HP), boot space and price (38,500 £ vs 45,900 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or Mercedes EQB?

Mazda 6 Saloon vs Mercedes EQB: Key differences

Mazda 6 Saloon

  • somewhat cheaper
  • only slightly more electric range
  • marginally lighter
details

Mercedes EQB

4.3 (4 Reviews)
rate
  • somewhat more power
  • very slightly more efficient
  • noticeably quicker 0–100 km/h
  • noticeably 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

6 Saloon

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mazda 6 Saloon is somewhat cheaper – starting at 38,500 £ , while the Mercedes EQB costs 45,900 £ . That’s a price difference of around 7,384 £.

In terms of energy consumption, the Mercedes EQB is very slightly more efficient: consuming 15.2 kWh/100km compared to 16.5 kWh/100km for the Mazda 6 Saloon. That’s a difference of about 1.3 kWh/100km.

As for electric range, the Mazda 6 Saloon offers only slightly more range – reaching up to 552 km, about 17 km more than the Mercedes EQB.

EQB

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 EQB offers somewhat more power – delivering 292 HP compared to 258 HP. That’s roughly 34 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQB is noticeably quicker – completing the sprint in 6.2 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 1.4 s quicker.

Looking at top speed, the Mazda 6 Saloon is very slightly faster – reaching 175 km/h, while the Mercedes EQB tops out at 160 km/h. The difference is around 15 km/h.

There’s also a difference in torque: the Mercedes EQB delivers markedly more torque with 520 Nm compared to 320 Nm. That’s about 200 Nm more.

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, Mazda 6 Saloon is marginally lighter – 2,027 kg compared to 2,105 kg. The difference is around 78 kg.

Looking at boot space, the Mercedes EQB offers noticeably more boot space – 495 L compared to 336 L. That’s a difference of about 159 L.

For maximum load capacity, the Mercedes EQB offers clearly more capacity – up to 1,710 L, about 636 L more than the Mazda 6 Saloon.

When it comes to payload, the Mercedes EQB carries somewhat more – 435 kg compared to 360 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The Mercedes EQB holds a decisive overall lead 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 £45,900
EQB

Mercedes EQB

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 190 - 292 HP
  • Consumption kWh/100km 15.2 - 17.2 kWh/100km
  • Electric Range 468 - 535 km
Mazda 6 Saloon
Mercedes EQB

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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Mercedes EQB

The Mercedes EQB is an electric compact SUV that dresses Mercedes' premium feel in practical clothing, with flexible seating and a serene, composed ride that turns everyday errands into a small luxury. It won't thrill the enthusiast, but for buyers who want a smart, spacious and well-made EV with tasteful tech and real-world usability, the EQB is a sensible, slightly buttoned-up choice that impresses without shouting.

details
Mazda 6 Saloon
Mercedes EQB

Costs and Consumption

Price
38,500 - 41,600 £
Price
45,900 - 58,900 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
15.2 - 17.2 kWh/100km
Electric Range
479 - 552 km
Electric Range
468 - 535 km
Battery Capacity
-
Battery Capacity
70.5 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2,027 - 2,028 kg
Curb weight
2,105 - 2,170 kg
Trunk capacity
336 L
Trunk capacity
495 L
Length
4,921 mm
Length
4,684 mm
Width
1,890 mm
Width
1,834 mm
Height
1,491 mm
Height
1,654 - 1,689 mm
Max trunk capacity
1,074 L
Max trunk capacity
1,710 L
Payload
359 - 360 kg
Payload
435 kg

Engine and Performance

Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
245 - 258 HP
Power HP
190 - 292 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
6.2 - 8.9 s
Max Speed
175 km/h
Max Speed
160 km/h
Torque
320 Nm
Torque
385 - 520 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
180 - 190 kW
Power kW
140 - 215 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mazda
Brand
Mercedes-Benz
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.