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smart #5 vs Mazda 6 Saloon comparison

Compare performance (646 HP vs 258 HP), boot space and price (39,300 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – smart #5 or Mazda 6 Saloon?

smart #5 vs Mazda 6 Saloon: Key differences

smart #5

4.9 (5 Reviews)
rate
  • substantially more power
  • marginally more electric range
  • significantly quicker 0–100 km/h
  • substantially more trunk space
details

Mazda 6 Saloon

  • only slightly cheaper
  • slightly more efficient
  • very slightly lighter
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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

#5

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 only slightly cheaper – starting at 38,500 £ , while the smart #5 costs 39,300 £ . That’s a price difference of around 857 £.

In terms of energy consumption, the Mazda 6 Saloon is slightly more efficient: consuming 16.5 kWh/100km compared to 18.4 kWh/100km for the smart #5. That’s a difference of about 1.9 kWh/100km.

As for electric range, the smart #5 offers marginally more range – reaching up to 590 km, about 38 km more than the Mazda 6 Saloon.

6 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 smart #5 offers substantially more power – delivering 646 HP compared to 258 HP. That’s roughly 388 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #5 is significantly quicker – completing the sprint in 3.8 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3.8 s quicker.

Looking at top speed, the smart #5 is somewhat faster – reaching 210 km/h, while the Mazda 6 Saloon tops out at 175 km/h. The difference is around 35 km/h.

There’s also a difference in torque: the smart #5 delivers significantly more torque with 710 Nm compared to 320 Nm. That’s about 390 Nm more.

#5

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 very slightly lighter – 2,027 kg compared to 2,200 kg. The difference is around 173 kg.

Looking at boot space, the smart #5 offers substantially more boot space – 630 L compared to 336 L. That’s a difference of about 294 L.

For maximum load capacity, the smart #5 offers clearly more capacity – up to 1,530 L, about 456 L more than the Mazda 6 Saloon.

When it comes to payload, the smart #5 carries noticeably more – 502 kg compared to 360 kg. That’s a difference of about 142 kg.

Who wins the race in the data check?

The smart #5 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 £39,300
#5

smart #5

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 340 - 646 HP
  • Consumption kWh/100km 18.4 - 19.9 kWh/100km
  • Electric Range 465 - 590 km
smart #5
Mazda 6 Saloon

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

smart #5

The Smart #5 continues to build on the brand's legacy of compact and efficient urban vehicles, now infused with a more modern and stylish design. Its sleek appearance is complemented by a spacious interior, offering comfort without compromising its compact nature. This model is ideal for city dwellers seeking a blend of innovation, practicality, and style in their daily drives.

details

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.

details
smart #5
Mazda 6 Saloon

Costs and Consumption

Price
39,300 - 52,200 £
Price
38,500 - 41,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
18.4 - 19.9 kWh/100km
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
465 - 590 km
Electric Range
479 - 552 km
Battery Capacity
74.4 - 94 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
2,200 - 2,378 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
630 L
Trunk capacity
336 L
Length
4,695 mm
Length
4,921 mm
Width
1,920 mm
Width
1,890 mm
Height
1,705 mm
Height
1,491 mm
Max trunk capacity
1,530 L
Max trunk capacity
1,074 L
Payload
475 - 502 kg
Payload
359 - 360 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, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
340 - 646 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
3.8 - 6.9 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
200 - 210 km/h
Max Speed
175 km/h
Torque
373 - 710 Nm
Torque
320 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
250 - 475 kW
Power kW
180 - 190 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
smart
Brand
Mazda
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.