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smart #3 vs NIO ET7 comparison
Compare performance (272 HP vs 653 HP), boot space and price (42,000 £ vs 59,900 £ ) at a glance. Find out which car is the better choice for you – smart #3 or NIO ET7?
smart #3 vs NIO ET7: 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.
smart #3 is considerably cheaper – starting at 42,000 £ , while the NIO ET7 costs 59,900 £ . That’s a price difference of around 17,923 £.
In terms of energy consumption, the smart #3 is a bit more efficient: consuming 16.3 kWh/100km compared to 19 kWh/100km for the NIO ET7. That’s a difference of about 2.7 kWh/100km.
As for electric range, the NIO ET7 offers noticeably more range – reaching up to 584 km, about 129 km more than the smart #3.
ET7
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 NIO ET7 offers clearly more power – delivering 653 HP compared to 272 HP. That’s roughly 381 HP more horsepower.
When accelerating from 0 to 100 km/h, the NIO ET7 is considerably quicker – completing the sprint in 3.8 s, while the smart #3 takes 5.8 s. That’s about 2 s quicker.
There’s also a difference in torque: the NIO ET7 delivers substantially more torque with 850 Nm compared to 384 Nm. That’s about 466 Nm more.
#3
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.
Both vehicles offer seating for 5 people.
In terms of curb weight, smart #3 is clearly lighter – 1,810 kg compared to 2,434 kg. The difference is around 624 kg.
Looking at boot space, the smart #3 offers marginally more boot space – 370 L compared to 363 L. That’s a difference of about 7 L.
When it comes to payload, the NIO ET7 carries barely more – 466 kg compared to 450 kg. That’s a difference of about 16 kg.
Who wins the race in the data check?
The NIO ET7 stands well ahead of its rival 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 £59,900
NIO ET7
smart #3
NIO ET7
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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.
details
NIO ET7
The NIO ET7 arrives like a calm thunderstorm — sleek, silent and unapologetically clever, turning motorway cruising into the sort of effortless glide that makes other cars feel noisy and rehearsed. Inside, it's all luxury sofas and smart gadgets that actually help rather than confuse, so buyers who crave tech and comfort will feel like they've upgraded their life without needing to spellcheck the manual.
details
smart #3
NIO ET7
Costs and Consumption |
|
|---|---|
|
Price
42,000 £
|
Price
59,900 - 68,900 £
|
|
Consumption L/100km
-
|
Consumption L/100km
-
|
|
Consumption kWh/100km
16.3 kWh/100km
|
Consumption kWh/100km
19 - 19.3 kWh/100km
|
|
Electric Range
455 km
|
Electric Range
451 - 584 km
|
|
Battery Capacity
-
|
Battery Capacity
73.5 - 90 kWh
|
|
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
-
|
Doors
4
|
|
Curb weight
1,810 kg
|
Curb weight
2,434 - 2,454 kg
|
|
Trunk capacity
370 L
|
Trunk capacity
363 L
|
|
Length
-
|
Length
5,101 mm
|
|
Width
1,844 mm
|
Width
1,987 mm
|
|
Height
-
|
Height
1,509 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
450 kg
|
Payload
446 - 466 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
All-Wheel Drive
|
|
Power HP
272 HP
|
Power HP
653 HP
|
|
Acceleration 0-100km/h
5.8 s
|
Acceleration 0-100km/h
3.8 s
|
|
Max Speed
-
|
Max Speed
200 km/h
|
|
Torque
384 Nm
|
Torque
850 Nm
|
|
Number of Cylinders
-
|
Number of Cylinders
-
|
|
Power kW
200 kW
|
Power kW
480 kW
|
|
Engine capacity
-
|
Engine capacity
-
|
General |
|
|---|---|
|
Model Year
2025
|
Model Year
2022
|
|
CO2 Efficiency Class
A
|
CO2 Efficiency Class
A
|
|
Brand
smart
|
Brand
NIO
|
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.