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Mercedes SL Class vs Cadillac Lyriq comparison

Compare performance (816 HP vs 646 HP), boot space and price (112,700 £ vs 71,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Cadillac Lyriq?

Mercedes SL Class vs Cadillac Lyriq: Key differences

Mercedes SL Class

  • visibly more power
  • noticeably quicker 0–100 km/h
  • significantly lighter
details

Cadillac Lyriq

  • considerably cheaper
  • substantially more electric range
  • significantly more trunk space
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

SL Class

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Cadillac Lyriq is considerably cheaper – starting at 71,100 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 41,562 £.

As for electric range, the Cadillac Lyriq offers substantially more range – reaching up to 530 km, about 518 km more than the Mercedes SL Class.

Lyriq

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 Mercedes SL Class offers visibly more power – delivering 816 HP compared to 646 HP. That’s roughly 170 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is noticeably quicker – completing the sprint in 2.9 s, while the Cadillac Lyriq takes 3.6 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers clearly more torque with 1,420 Nm compared to 880 Nm. That’s about 540 Nm more.

SL Class

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: Cadillac Lyriq offers more seats – 5 vs 4.

In terms of curb weight, Mercedes SL Class is significantly lighter – 1,810 kg compared to 2,774 kg. The difference is around 964 kg.

Looking at boot space, the Cadillac Lyriq offers significantly more boot space – 588 L compared to 240 L. That’s a difference of about 348 L.

When it comes to payload, the Cadillac Lyriq carries slightly more – 426 kg compared to 375 kg. That’s a difference of about 51 kg.

Who wins the race in the data check?

The Cadillac Lyriq is decisively ahead 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
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Mercedes SL Class
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

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Reviews Mercedes SL Class

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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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Reviews Cadillac Lyriq

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Mercedes SL Class
Cadillac Lyriq

Costs and Consumption
Price
112,700 - 219,300 £
Price
71,100 - 93,300 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
21.8 - 22.5 kWh/100km
Electric Range
12 km
Electric Range
471 - 530 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
2,774 kg
Trunk capacity
110 - 240 L
Trunk capacity
588 L
Length
-
Length
-
Width
1,915 mm
Width
1,977 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
426 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
435 - 816 HP
Power HP
528 - 646 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
3.6 - 5.3 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
610 - 880 Nm
Number of Cylinders
4 - 8
Number of Cylinders
-
Power kW
320 - 600 kW
Power kW
388 - 475 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Cadillac
What drive types are available for the Mercedes SL Class?

The Mercedes SL Class is offered with Rear-Wheel Drive or All-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.