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Mercedes B Class vs Cadillac Lyriq comparison

Compare performance (238 HP vs 646 HP), boot space and price (33,100 £ vs 71,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Cadillac Lyriq?

Mercedes B Class vs Cadillac Lyriq: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • clearly cheaper
  • significantly lighter
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Cadillac Lyriq

  • clearly more power
  • clearly quicker 0–100 km/h
  • visibly 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

B Class

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.

Mercedes B Class is clearly cheaper – starting at 33,100 £ , while the Cadillac Lyriq costs 71,100 £ . That’s a price difference of around 38,013 £.

Lyriq

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 Cadillac Lyriq offers clearly more power – delivering 646 HP compared to 238 HP. That’s roughly 408 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 Mercedes B Class takes 6.5 s. That’s about 2.9 s quicker.

There’s also a difference in torque: the Cadillac Lyriq delivers considerably more torque with 880 Nm compared to 400 Nm. That’s about 480 Nm more.

B 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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is significantly lighter – 1,405 kg compared to 2,774 kg. The difference is around 1,369 kg.

Looking at boot space, the Cadillac Lyriq offers visibly more boot space – 588 L compared to 455 L. That’s a difference of about 133 L.

When it comes to payload, the Mercedes B Class carries noticeably more – 550 kg compared to 426 kg. That’s a difference of about 124 kg.

Who wins the race in the data check?

The Cadillac Lyriq 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 £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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Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class and Mercedes GLA target buyers who want Mercedes practicality with premium touches, but they take different paths: the B‑Class is a spacious, hatchback-style people carrier while the GLA is a compact crossover with a higher ride height and sportier stance. This comparison looks …
Mercedes A Class
Mercedes B Class
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Mercedes B Class
Cadillac Lyriq

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

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Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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

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

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Mercedes B Class
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Volvo XC40
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Cadillac Lyriq
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Mercedes B Class
Cadillac Lyriq

Costs and Consumption
Price
33,100 - 52,500 £
Price
71,100 - 93,300 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
21.8 - 22.5 kWh/100km
Electric Range
-
Electric Range
471 - 530 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
2,774 kg
Trunk capacity
445 - 455 L
Trunk capacity
588 L
Length
-
Length
-
Width
1,796 mm
Width
1,977 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
426 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
116 - 238 HP
Power HP
528 - 646 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
3.6 - 5.3 s
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
610 - 880 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 175 kW
Power kW
388 - 475 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Cadillac
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-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.