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Mazda 3 Sedan vs Mercedes E-Class comparison

Compare performance (186 HP vs 585 HP), boot space and price (25,000 £ vs 50,500 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Sedan or Mercedes E-Class?

Mazda 3 Sedan vs Mercedes E-Class: Key differences

Mazda 3 Sedan

4.7 (1 Reviews)
rate
  • clearly cheaper
  • visibly lighter
details

Mercedes E-Class

4.7 (2 Reviews)
rate
  • clearly more power
  • considerably more efficient
  • clearly 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

3 Sedan

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 Sedan is clearly cheaper – starting at 25,000 £ , while the Mercedes E-Class costs 50,500 £ . That’s a price difference of around 25,513 £.

Fuel consumption also shows a difference: the Mercedes E-Class uses 1.5 L/100km and is considerably more efficient than the Mazda 3 Sedan with 5.5 L/100km. The difference is about 4 L/100km.

E-Class

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 E-Class offers clearly more power – delivering 585 HP compared to 186 HP. That’s roughly 399 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes E-Class is clearly quicker – completing the sprint in 4 s, while the Mazda 3 Sedan takes 8.1 s. That’s about 4.1 s quicker.

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

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mazda 3 Sedan is visibly lighter – 1,420 kg compared to 1,810 kg. The difference is around 390 kg.

Looking at boot space, the Mercedes E-Class offers moderately more boot space – 540 L compared to 450 L. That’s a difference of about 90 L.

When it comes to payload, the Mercedes E-Class carries clearly more – 640 kg compared to 481 kg. That’s a difference of about 159 kg.

Who wins the race in the data check?

The Mercedes E-Class 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 £50,500
E-Class

Mercedes E-Class

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 186 - 585 HP
  • Consumption L/100km : 1.5 - 7.5 L/100km
  • Electric Range : 101 - 116 km
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Mercedes E-Class
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Mazda 3 Sedan
Mercedes E-Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 3 Sedan

The Mazda 3 Sedan dresses like a compact premium car, with sculpted lines and an interior that punches well above its class. It rewards drivers with eager handling and a composed, comfortable ride that turns routine runs into something a bit more enjoyable — proof that style and substance can share the same key.

details
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Reviews Mazda 3 Sedan

4.7 (1 Reviews)
rate

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

Mercedes E-Class

The Mercedes E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.

details
19C0741_014
19C0741_016
18C0338_006

Reviews Mercedes E-Class

4.7 (2 Reviews)
rate
Carlos
11 Apr 2026, 20:47:10

Comfortable car, beautiful lines, powerful and economical to run.

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

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Mazda 3 Sedan
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Mazda 3 Sedan
Mercedes E-Class

Costs and Consumption
Price
25,000 - 34,200 £
Price
50,500 - 119,700 £
Consumption L/100km
5.5 - 6.1 L/100km
Consumption L/100km
1.5 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
101 - 116 km
Battery Capacity
-
Battery Capacity
-
co2
123 - 135 g/km
co2
39 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,420 - 1,492 kg
Curb weight
1,810 - 2,390 kg
Trunk capacity
450 L
Trunk capacity
370 - 540 L
Length
-
Length
-
Width
1,795 mm
Width
1,880 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
467 - 481 kg
Payload
530 - 640 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
140 - 186 HP
Power HP
186 - 585 HP
Acceleration 0-100km/h
8.1 - 9.8 s
Acceleration 0-100km/h
4 - 8.5 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
320 - 750 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
103 - 137 kW
Power kW
137 - 430 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
1,993 - 2,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D
CO2 Efficiency Class
E, F, B, D
Brand
Mazda
Brand
Mercedes-Benz
What drivetrain options does the Mazda 3 Sedan have?

The Mazda 3 Sedan is offered with Front-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.