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Lexus LC Convertible vs Mercedes GLB comparison

Compare performance (464 HP vs 354 HP), boot space and price (117,300 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Lexus LC Convertible or Mercedes GLB?

Lexus LC Convertible vs Mercedes GLB: Key differences

Lexus LC Convertible

  • markedly more power
  • moderately quicker 0–100 km/h
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Mercedes GLB

3.6 (4 Reviews)
rate
  • considerably cheaper
  • substantially more efficient
  • moderately lighter
  • clearly 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

LC Convertible

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 GLB is considerably cheaper – starting at 43,200 £ , while the Lexus LC Convertible costs 117,300 £ . That’s a price difference of around 74,145 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is substantially more efficient than the Lexus LC Convertible with 11.7 L/100km. The difference is about 6 L/100km.

GLB

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 Lexus LC Convertible offers markedly more power – delivering 464 HP compared to 354 HP. That’s roughly 110 HP more horsepower.

When accelerating from 0 to 100 km/h, the Lexus LC Convertible is moderately quicker – completing the sprint in 4.6 s, while the Mercedes GLB takes 5.5 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Lexus LC Convertible delivers very slightly more torque with 530 Nm compared to 515 Nm. That’s about 15 Nm more.

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Mercedes GLB offers more seats – 5 vs 4.

In terms of curb weight, Mercedes GLB is moderately lighter – 1,840 kg compared to 2,110 kg. The difference is around 270 kg.

Looking at boot space, the Mercedes GLB offers clearly more boot space – 540 L compared to 149 L. That’s a difference of about 391 L.

When it comes to payload, the Mercedes GLB carries clearly more – 505 kg compared to 340 kg. That’s a difference of about 165 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £43,200
GLB

Mercedes GLB

  • Engine Type Electric, Full Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 156 - 354 HP
  • Consumption L/100km 5.7 - 6.1 L/100km
  • Consumption kWh/100km 15.4 - 15.9 kWh/100km
  • Electric Range 431 - 631 km
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Lexus LC Convertible
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Lexus LC Convertible

The Lexus LC Convertible is a head-turning grand tourer that turns dramatic coupe styling into a luxurious open-top experience, delivering silk-smooth refinement whether you’re gliding along coastal roads or parked under city lights. It’s aimed at buyers who crave show-stopping looks and cosseting comfort over track-day aggression, marrying plush materials and effortless pace with just enough theatrical flair to make every arrival feel like an event.

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lc-convertible-archive

Reviews Lexus LC Convertible

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

Mercedes GLB

The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

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Reviews Mercedes GLB

3.6 (4 Reviews)
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Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

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Lexus LC Convertible
Mercedes GLB

Costs and Consumption
Price
117,300 - 121,300 £
Price
43,200 - 62,400 £
Consumption L/100km
11.7 L/100km
Consumption L/100km
5.7 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Electric Range
-
Electric Range
431 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
275 g/km
co2
0 - 138 g/km
Fuel tank capacity
82 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
2,110 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
149 L
Trunk capacity
540 L
Length
4,770 mm
Length
-
Width
1,920 mm
Width
1,861 mm
Height
1,350 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 kg
Payload
485 - 505 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric, Full Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
464 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
4.6 s
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
270 km/h
Max Speed
-
Torque
530 Nm
Torque
280 - 515 Nm
Number of Cylinders
8
Number of Cylinders
4
Power kW
341 kW
Power kW
115 - 260 kW
Engine capacity
4,969 cm3
Engine capacity
1,499 cm3

General
Model Year
2023
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
A, D, E
Brand
Lexus
Brand
Mercedes-Benz
Is the Lexus LC Convertible offered with different drivetrains?

Available configurations include Rear-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.