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smart #3 vs Porsche 911 Coupe comparison

Compare performance (272 HP vs 711 HP), boot space and price (42,000 £ vs 125,800 £ ) at a glance. Find out which car is the better choice for you – smart #3 or Porsche 911 Coupe?

smart #3 vs Porsche 911 Coupe: Key differences

smart #3

5 (1 Reviews)
rate
  • considerably cheaper
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Porsche 911 Coupe

  • significantly more power
  • significantly quicker 0–100 km/h
  • moderately lighter
  • only slightly 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

#3

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.

smart #3 is considerably cheaper – starting at 42,000 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 83,837 £.

911 Coupe

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 Porsche 911 Coupe offers significantly more power – delivering 711 HP compared to 272 HP. That’s roughly 439 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is significantly quicker – completing the sprint in 2.5 s, while the smart #3 takes 5.8 s. That’s about 3.3 s quicker.

There’s also a difference in torque: the Porsche 911 Coupe delivers substantially more torque with 800 Nm compared to 384 Nm. That’s about 416 Nm more.

#3

Space and Everyday Use:

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

Seats: smart #3 offers more seats – 5 vs 2.

In terms of curb weight, Porsche 911 Coupe is moderately lighter – 1,536 kg compared to 1,810 kg. The difference is around 274 kg.

Looking at boot space, the Porsche 911 Coupe offers only slightly more boot space – 373 L compared to 370 L. That’s a difference of about 3 L.

When it comes to payload, the smart #3 carries noticeably more – 450 kg compared to 310 kg. That’s a difference of about 140 kg.

Who wins the race in the data check?

The smart #3 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.

£41,991
#3

smart #3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 272 HP
  • Consumption kWh/100km 16.3 kWh/100km
  • Electric Range 455 km
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Frequently compared as well

smart #3
smart #5
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smart #3 and smart #5 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice. || Unsure whether the smart #3 or the smart #5 is the …
smart #1
smart #3
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smart #3
Porsche 911 Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

smart #3

The Smart #3 turns the brand's cheeky city-car attitude into a grown-up compact SUV, pairing sleek styling with a surprisingly roomy, well-made interior. It's a brilliant pick for buyers who want electric ease without dullness — practical enough for daily life, but still lively enough to make parking and grocery runs feel a little fun.

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smart-hashtag3-brabus-photon-orange-exterior-mallorca1
smart-hashtag3-brabus-photon-orange-exterior-mallorca13
smart-hashtag3-brabus-photon-orange-exterior-mallorca21
smart-hashtag3-brabus-photon-orange-interior-mallorca10
smart-hashtag3-brabus-photon-orange-interior-mallorca3
smart-hashtag3-premium-ceramic-cream-interior-mallorca7

Reviews smart #3

5 (1 Reviews)
rate
Ronny
16 Oct 2025, 13:10:59

Handsome design, packed with advanced driver‑assist technology and stellar performance — all at an attractive price. Highly recommended, this car!

Porsche 911 Coupe

The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.

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S19_0109_fine
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Reviews Porsche 911 Coupe

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

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Costs and Consumption
Price
42,000 £
Price
125,800 - 301,000 £
Consumption L/100km
-
Consumption L/100km
10.3 - 13.8 L/100km
Consumption kWh/100km
16.3 kWh/100km
Consumption kWh/100km
-
Electric Range
455 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
233 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1,810 kg
Curb weight
1,536 - 1,815 kg
Trunk capacity
370 L
Trunk capacity
373 L
Length
-
Length
-
Width
1,844 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
450 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
272 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
5.8 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
-
Torque
384 Nm
Torque
450 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
200 kW
Power kW
290 - 523 kW
Engine capacity
-
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
smart
Brand
Porsche
What drivetrain options does the smart #3 have?

The smart #3 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.