@ Mercedes-Benz Group Media
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Mazda 3 Sedan vs Mercedes A-Class Saloon – Performance, range & efficiency compared

Two cars, one duel: Mazda 3 Sedan meets Mercedes A-Class Saloon.
Which one wins in performance, efficiency and value for money? Find out now!

Mazda 3 Sedan

Mercedes A-Class Saloon

Here’s where it gets real: The technical differences in detail

A-Class Saloon @ Mercedes-Benz Group Media

Costs and Efficiency:

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

Mazda 3 Sedan has a noticeable advantage in terms of price – it starts at 25000 £, while the Mercedes A-Class Saloon costs 32700 £. That’s a price difference of around 7744 £.

Fuel consumption also shows a difference: Mercedes A-Class Saloon manages with 0.70 L and is therefore convincingly more efficient than the Mazda 3 Sedan with 5.50 L. The difference is about 4.80 L per 100 km.

A-Class Saloon @ Mercedes-Benz Group Media

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 A-Class Saloon has a clearly edge – offering 320 HP compared to 186 HP. That’s roughly 134 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes A-Class Saloon is clearly quicker – completing the sprint in 4.80 s, while the Mazda 3 Sedan takes 8.10 s. That’s about 3.30 s faster.

In terms of top speed, the Mercedes A-Class Saloon performs to a small extent better – reaching 250 km/h, while the Mazda 3 Sedan tops out at 216 km/h. The difference is around 34 km/h.

There’s also a difference in torque: Mercedes A-Class Saloon pulls convincingly stronger with 450 Nm compared to 240 Nm. That’s about 210 Nm difference.

A-Class Saloon @ Mercedes-Benz Group Media

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 curb weight, Mazda 3 Sedan is hardly perceptible lighter – 1420 kg compared to 1450 kg. The difference is around 30 kg.

In terms of boot space, the Mazda 3 Sedan offers somewhat more room – 450 L compared to 395 L. That’s a difference of about 55 L.

When it comes to payload, Mercedes A-Class Saloon slight takes the win – 490 kg compared to 481 kg. That’s a difference of about 9 kg.

Who comes out on top?

Overall, the Mercedes A-Class Saloon shows itself to be leaves the rival little chance and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

Mazda 3 Sedan
Mercedes A-Class Saloon

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £32,700
A-Class Saloon @ Mercedes-Benz Group Media

Mercedes A-Class Saloon

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 320 HP
  • Consumption L/100km : 0.7 - 8.1 L
  • Electric Range : 88 km
details

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.

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Mercedes A-Class Saloon

The Mercedes A‑Class Saloon blends compact practicality with premium flair, wrapping a surprisingly spacious interior in a slick, modern package that feels more grown-up than its hatchback sibling. It’s an ideal choice for city drivers who want Mercedes polish and cutting-edge tech without the ostentation of a larger saloon, and it even manages to make the daily commute feel a little bit special.

details
18C0775_002 @ Mercedes-Benz Group Media
18C0775_008 @ Mercedes-Benz Group Media
18C0775_012 @ Mercedes-Benz Group Media
18C0775_029 @ Mercedes-Benz Group Media
18C0480_07 @ Mercedes-Benz Group Media

Reviews Mazda 3 Sedan

Reviews Mercedes A-Class Saloon

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A-Class Saloon @ Mercedes-Benz Group Media

Costs and Consumption
Price
25000 - 34200 £
Price
32700 - 55900 £
Consumption L/100km
5.5 - 6.1 L
Consumption L/100km
0.7 - 8.1 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
88 km
Battery Capacity
-
Battery Capacity
12.90 kWh
co2
123 - 135 g/km
co2
16 - 184 g/km
Fuel tank capacity
51 L
Fuel tank capacity
35 - 51 L

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
5
Seats
5
Doors
4
Doors
4
Curb weight
1420 - 1492 kg
Curb weight
1450 - 1705 kg
Trunk capacity
450 L
Trunk capacity
345 - 395 L
Length
4660 mm
Length
4558 - 4570 mm
Width
1795 mm
Width
1796 mm
Height
1440 mm
Height
1413 - 1429 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
467 - 481 kg
Payload
475 - 490 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
140 - 186 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
8.1 - 9.8 s
Acceleration 0-100km/h
4.8 - 9.9 s
Max Speed
203 - 216 km/h
Max Speed
206 - 250 km/h
Torque
238 - 240 Nm
Torque
200 - 450 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
103 - 137 kW
Power kW
85 - 235 kW
Engine capacity
1998 - 2488 cm3
Engine capacity
1332 - 1991 cm3

General
Model Year
2025
Model Year
2024 - 2025
CO2 Efficiency Class
D
CO2 Efficiency Class
B, D, G, E
Brand
Mazda
Brand
Mercedes-Benz

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What drivetrain options does the Mazda 3 Sedan have?

The Mazda 3 Sedan is available as Front-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.

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