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Mazda MX-5 Roadster vs smart #5 comparison

Compare performance (132 HP vs 646 HP), boot space and price (29,000 £ vs 39,300 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or smart #5?

Mazda MX-5 Roadster vs smart #5: Key differences

Mazda MX-5 Roadster

  • clearly cheaper
  • significantly lighter
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smart #5

4.9 (5 Reviews)
rate
  • significantly more power
  • clearly quicker 0–100 km/h
  • clearly more trunk space
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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

MX-5 Roadster

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 MX-5 Roadster is clearly cheaper – starting at 29,000 £ , while the smart #5 costs 39,300 £ . That’s a price difference of around 10,380 £.

#5

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the smart #5 offers significantly more power – delivering 646 HP compared to 132 HP. That’s roughly 514 HP more horsepower.

When accelerating from 0 to 100 km/h, the smart #5 is clearly quicker – completing the sprint in 3.8 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 4.5 s quicker.

There’s also a difference in torque: the smart #5 delivers considerably more torque with 710 Nm compared to 152 Nm. That’s about 558 Nm more.

MX-5 Roadster

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.

Seats: smart #5 offers more seats – 5 vs 2.

In terms of curb weight, Mazda MX-5 Roadster is significantly lighter – 1,078 kg compared to 2,200 kg. The difference is around 1,122 kg.

Looking at boot space, the smart #5 offers clearly more boot space – 630 L compared to 130 L. That’s a difference of about 500 L.

When it comes to payload, the smart #5 carries significantly more – 502 kg compared to 152 kg. That’s a difference of about 350 kg.

Who wins the race in the data check?

The smart #5 is clearly superior overall 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
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smart #5
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Mazda MX-5 Roadster
smart #5

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda MX-5 Roadster

The Mazda MX-5 is a featherweight, open-top sports car that turns ordinary roads into a grin-inducing playground thanks to razor-sharp steering and an engaging, tactile gearbox. It won’t swallow the weekly shopping or ski bags, but for anyone after pure driving fun and sun-on-your-face weekends, few cars match its sheer charm and value.

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Reviews Mazda MX-5 Roadster

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

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.

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Reviews smart #5

4.9 (5 Reviews)
rate
Stefan
31 Jan 2026, 22:25:16

I spent a weekend with the Brabus #5 and I’m thrilled! Extremely quiet, even at just under 220 km/h. Very good ride comfort, especially if, like me, you prefer a softer setup for better suspension comfort!
Brutal acceleration that only really hits from about 50 km/h and culminates in a 0–200 km/h sprint in 10.2 seconds… There are almost no cars up to roughly 1,000 hp that are faster!
The actual charging performance is, I believe, the best of any passenger car available in the EU (only Zeekr shows a little more on paper, but probably not in real life) — it charges at peaks up to 425 kW! 10–80% in 13 minutes and 5–100% in 28 minutes.
The fit and finish are in places better than the Mercedes E‑Class...

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Stefan
4 Dec 2025, 21:11:24

Apart from the hopefully soon improved/reduced chimes and the horrendously hard-to-reach mute for the speed warning, the car is really a knockout!
Very, very quiet, comfortable, extremely fast (Brabus version), great build quality, great equipment!

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Mazda MX-5 Roadster
smart #5

Costs and Consumption
Price
29,000 - 34,300 £
Price
39,300 - 52,200 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.4 - 19.9 kWh/100km
Electric Range
-
Electric Range
465 - 590 km
Battery Capacity
-
Battery Capacity
74.4 - 94 kWh
co2
140 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
SUV
Seats
2
Seats
5
Doors
-
Doors
5
Curb weight
1,078 kg
Curb weight
2,200 - 2,378 kg
Trunk capacity
130 L
Trunk capacity
630 L
Length
-
Length
4,695 mm
Width
1,735 mm
Width
1,920 mm
Height
-
Height
1,705 mm
Max trunk capacity
-
Max trunk capacity
1,530 L
Payload
152 kg
Payload
475 - 502 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Manuel
Transmission
Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
132 HP
Power HP
340 - 646 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
3.8 - 6.9 s
Max Speed
-
Max Speed
200 - 210 km/h
Torque
152 Nm
Torque
373 - 710 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
97 kW
Power kW
250 - 475 kW
Engine capacity
1,496 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
E
CO2 Efficiency Class
A
Brand
Mazda
Brand
smart
What drive types are available for the Mazda MX-5 Roadster?

The Mazda MX-5 Roadster is available as Rear-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.