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Mazda 3 Sedan vs Peugeot 408 comparison

Compare performance (186 HP vs 240 HP), boot space and price (25,000 £ vs 35,100 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Sedan or Peugeot 408?

Mazda 3 Sedan vs Peugeot 408: Key differences

Mazda 3 Sedan

4.7 (1 Reviews)
rate
  • considerably cheaper
  • marginally lighter
details

Peugeot 408

4.9 (1 Reviews)
rate
  • clearly more power
  • clearly more efficient
  • slightly quicker 0–100 km/h
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 key factors when choosing a car – and this is often where the real differences emerge.

Mazda 3 Sedan is considerably cheaper – starting at 25,000 £ , while the Peugeot 408 costs 35,100 £ . That’s a price difference of around 10,140 £.

Fuel consumption also shows a difference: the Peugeot 408 uses 2.6 L/100km and is clearly more efficient than the Mazda 3 Sedan with 5.5 L/100km. The difference is about 2.9 L/100km.

408

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 Peugeot 408 offers clearly more power – delivering 240 HP compared to 186 HP. That’s roughly 54 HP more horsepower.

When accelerating from 0 to 100 km/h, the Peugeot 408 is slightly quicker – completing the sprint in 7.2 s, while the Mazda 3 Sedan takes 8.1 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Peugeot 408 delivers clearly more torque with 360 Nm compared to 240 Nm. That’s about 120 Nm more.

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Mazda 3 Sedan is marginally lighter – 1,420 kg compared to 1,544 kg. The difference is around 124 kg.

When it comes to payload, the Mazda 3 Sedan carries only slightly more – 481 kg compared to 456 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The Peugeot 408 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 £35,100
408

Peugeot 408

  • Engine Type : Petrol MHEV, Plugin Hybrid, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 145 - 240 HP
  • Consumption L/100km : 2.6 - 5 L/100km
  • Consumption kWh/100km : 14.7 kWh/100km
  • Electric Range : 79 - 456 km
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Mazda 3 Sedan
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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.

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Reviews Mazda 3 Sedan

4.7 (1 Reviews)
rate

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

Peugeot 408

The Peugeot 408 blends a coupe-like roofline with practical sensibility, delivering striking looks and a surprisingly airy, premium-feeling cabin. On the road it prefers comfort and poise over manic thrills, making it a smart, stylish choice for buyers who want something a bit different from the usual family hatchback.

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Reviews Peugeot 408

4.9 (1 Reviews)
rate
Klaudia
15 Jan 2026, 19:46:29

This is one of the most beautiful cars of our time, in an era when every brand churns out cookie‑cutter models — as long as they look like an SUV. It's comfortable, incredibly spacious, picks up nicely on the road and always makes a great impression everywhere ;)

How do you mainly use this car? (optional): Family car
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
Peugeot 408

Costs and Consumption
Price
25,000 - 34,200 £
Price
35,100 - 48,000 £
Consumption L/100km
5.5 - 6.1 L/100km
Consumption L/100km
2.6 - 5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
14.7 kWh/100km
Electric Range
-
Electric Range
79 - 456 km
Battery Capacity
-
Battery Capacity
-
co2
123 - 135 g/km
co2
0 - 114 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,420 - 1,492 kg
Curb weight
1,544 - 1,879 kg
Trunk capacity
450 L
Trunk capacity
-
Length
-
Length
-
Width
1,795 mm
Width
1,848 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
467 - 481 kg
Payload
371 - 456 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
140 - 186 HP
Power HP
145 - 240 HP
Acceleration 0-100km/h
8.1 - 9.8 s
Acceleration 0-100km/h
7.2 - 9.4 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
230 - 360 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
103 - 137 kW
Power kW
107 - 176 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
D
CO2 Efficiency Class
C, B, A
Brand
Mazda
Brand
Peugeot
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.