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Cadillac Lyriq vs smart #3 comparison

Compare performance (646 HP vs 272 HP), boot space and price (71,100 £ vs 42,000 £ ) at a glance. Find out which car is the better choice for you – Cadillac Lyriq or smart #3?

Cadillac Lyriq vs smart #3: Key differences

Cadillac Lyriq

  • considerably more power
  • slightly more electric range
  • clearly quicker 0–100 km/h
  • markedly more trunk space
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smart #3

5 (1 Reviews)
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  • significantly cheaper
  • markedly more efficient
  • substantially 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

Lyriq

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

smart #3 is significantly cheaper – starting at 42,000 £ , while the Cadillac Lyriq costs 71,100 £ . That’s a price difference of around 29,151 £.

In terms of energy consumption, the smart #3 is markedly more efficient: consuming 16.3 kWh/100km compared to 21.8 kWh/100km for the Cadillac Lyriq. That’s a difference of about 5.5 kWh/100km.

As for electric range, the Cadillac Lyriq offers slightly more range – reaching up to 530 km, about 75 km more than the smart #3.

#3

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 Cadillac Lyriq offers considerably more power – delivering 646 HP compared to 272 HP. That’s roughly 374 HP more horsepower.

When accelerating from 0 to 100 km/h, the Cadillac Lyriq is clearly quicker – completing the sprint in 3.6 s, while the smart #3 takes 5.8 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Cadillac Lyriq delivers significantly more torque with 880 Nm compared to 384 Nm. That’s about 496 Nm more.

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 substantially lighter – 1,810 kg compared to 2,774 kg. The difference is around 964 kg.

Looking at boot space, the Cadillac Lyriq offers markedly more boot space – 588 L compared to 370 L. That’s a difference of about 218 L.

When it comes to payload, the smart #3 carries marginally more – 450 kg compared to 426 kg. That’s a difference of about 24 kg.

Who wins the race in the data check?

The Cadillac Lyriq 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 £71,100
Lyriq

Cadillac Lyriq

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 528 - 646 HP
  • Consumption kWh/100km 21.8 - 22.5 kWh/100km
  • Electric Range 471 - 530 km
Cadillac Lyriq
smart #3

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Cadillac Lyriq

The Cadillac Lyriq arrives with bold, angular styling and a striking light signature that gives it real presence on the road without trying too hard. Inside, the Lyriq serves up a calm, tech-heavy cabin with premium touches and a relaxed driving experience that makes switching to electric feel less like a sacrifice and more like a quiet flex.

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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.

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Cadillac Lyriq
smart #3

Costs and Consumption

Price
71,100 - 93,300 £
Price
42,000 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
21.8 - 22.5 kWh/100km
Consumption kWh/100km
16.3 kWh/100km
Electric Range
471 - 530 km
Electric Range
455 km
Battery Capacity
-
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
-
Doors
-
Curb weight
2,774 kg
Curb weight
1,810 kg
Trunk capacity
588 L
Trunk capacity
370 L
Length
-
Length
-
Width
1,977 mm
Width
1,844 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
426 kg
Payload
450 kg

Engine and Performance

Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
528 - 646 HP
Power HP
272 HP
Acceleration 0-100km/h
3.6 - 5.3 s
Acceleration 0-100km/h
5.8 s
Max Speed
-
Max Speed
-
Torque
610 - 880 Nm
Torque
384 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
388 - 475 kW
Power kW
200 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Cadillac
Brand
smart
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.