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smart #3 vs Audi Q4 e-tron comparison
Compare performance (272 HP vs 340 HP), boot space and price (42,000 £ vs 39,600 £ ) at a glance. Find out which car is the better choice for you – smart #3 or Audi Q4 e-tron?
smart #3 vs Audi Q4 e-tron: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
#3
Costs and Efficiency:
When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.
Audi Q4 e-tron is barely cheaper – starting at 39,600 £ , while the smart #3 costs 42,000 £ . That’s a price difference of around 2,434 £.
In terms of energy consumption, the Audi Q4 e-tron is barely more efficient: consuming 15.9 kWh/100km compared to 16.3 kWh/100km for the smart #3. That’s a difference of about 0.4 kWh/100km.
As for electric range, the Audi Q4 e-tron offers slightly more range – reaching up to 554 km, about 99 km more than the smart #3.
Q4 e-tron
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 Audi Q4 e-tron offers somewhat more power – delivering 340 HP compared to 272 HP. That’s roughly 68 HP more horsepower.
When accelerating from 0 to 100 km/h, the Audi Q4 e-tron is only slightly quicker – completing the sprint in 5.4 s, while the smart #3 takes 5.8 s. That’s about 0.4 s quicker.
There’s also a difference in torque: the Audi Q4 e-tron delivers substantially more torque with 679 Nm compared to 384 Nm. That’s about 295 Nm more.
#3
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, smart #3 is a bit lighter – 1,810 kg compared to 2,035 kg. The difference is around 225 kg.
Looking at boot space, the Audi Q4 e-tron offers markedly more boot space – 535 L compared to 370 L. That’s a difference of about 165 L.
When it comes to payload, the Audi Q4 e-tron carries a bit more – 515 kg compared to 450 kg. That’s a difference of about 65 kg.
Who wins the race in the data check?
The Audi Q4 e-tron 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 £39,600
Audi Q4 e-tron
smart #3
Audi Q4 e-tron
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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.
details
Audi Q4 e-tron
The Audi Q4 e-tron brings Audi polish into the electric crossover scene, pairing a sleek exterior with a refined, airy interior that makes everyday driving feel distinctly premium. It’s an easy-to-live-with EV that balances comfort and real-world usability with intuitive tech, making it a smart choice for buyers who want electric mobility without giving up Audi character — and yes, it still looks good in the driveway.
details
smart #3
Audi Q4 e-tron
Costs and Consumption |
|
|---|---|
|
Price
42,000 £
|
Price
39,600 - 58,800 £
|
|
Consumption L/100km
-
|
Consumption L/100km
-
|
|
Consumption kWh/100km
16.3 kWh/100km
|
Consumption kWh/100km
15.9 - 17.4 kWh/100km
|
|
Electric Range
455 km
|
Electric Range
406 - 554 km
|
|
Battery Capacity
62 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
SUV
|
|
Seats
5
|
Seats
5
|
|
Doors
5
|
Doors
-
|
|
Curb weight
1,810 kg
|
Curb weight
2,035 - 2,235 kg
|
|
Trunk capacity
370 L
|
Trunk capacity
520 - 535 L
|
|
Length
4,400 mm
|
Length
-
|
|
Width
1,844 mm
|
Width
1,865 mm
|
|
Height
1,556 mm
|
Height
-
|
|
Max trunk capacity
1,160 L
|
Max trunk capacity
-
|
|
Payload
450 kg
|
Payload
505 - 515 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
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
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|
Power HP
272 HP
|
Power HP
204 - 340 HP
|
|
Acceleration 0-100km/h
5.8 s
|
Acceleration 0-100km/h
5.4 - 8.1 s
|
|
Max Speed
180 km/h
|
Max Speed
-
|
|
Torque
384 Nm
|
Torque
310 - 679 Nm
|
|
Number of Cylinders
-
|
Number of Cylinders
-
|
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Power kW
200 kW
|
Power kW
150 - 250 kW
|
|
Engine capacity
-
|
Engine capacity
-
|
General |
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|---|---|
|
Model Year
2025
|
Model Year
2,023 - 2,025
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
A
|
|
Brand
smart
|
Brand
Audi
|
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.