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Mazda 3 Sedan vs Mercedes A Class Saloon - Differences and prices compared
Compare performance (186 HP vs 320 HP), boot space and price (25000 £ vs 32700 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Sedan or Mercedes A Class Saloon?
A Class Saloon
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
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.
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
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 wins the race in the data check?
The Mercedes A Class Saloon 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.
Mazda 3 Sedan
Mercedes A Class Saloon
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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from about £32,700
Mercedes A Class Saloon
Mazda 3 Sedan
4.7 (1 Reviews)
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.
detailsMercedes 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
Mazda 3 Sedan
Mercedes A Class Saloon
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
-
|
Fuel tank capacity
35 - 51 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Sedan
|
Body Type
Sedan
|
|
Seats
5
|
Seats
5
|
|
Doors
-
|
Doors
4
|
|
Curb weight
1420 - 1492 kg
|
Curb weight
1450 - 1705 kg
|
|
Trunk capacity
450 L
|
Trunk capacity
345 - 395 L
|
|
Length
-
|
Length
4558 - 4570 mm
|
|
Width
1795 mm
|
Width
1796 mm
|
|
Height
-
|
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
-
|
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
|
What drivetrain options does the Mazda 3 Sedan have?
The Mazda 3 Sedan is available as Front-Wheel Drive.
The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.