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Mercedes GLB vs Bentley Continental Convertible comparison

Compare performance (354 HP vs 549 HP), boot space and price (43,200 £ vs 212,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Bentley Continental Convertible?

Mercedes GLB vs Bentley Continental Convertible: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • considerably cheaper
  • considerably more efficient
  • visibly lighter
  • clearly more trunk space
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Bentley Continental Convertible

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

GLB

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 Bentley Continental Convertible costs 212,200 £ . That’s a price difference of around 169,031 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is considerably more efficient than the Bentley Continental Convertible with 12.1 L/100km. The difference is about 6.4 L/100km.

Continental Convertible

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Bentley Continental Convertible offers clearly more power – delivering 549 HP compared to 354 HP. That’s roughly 195 HP more horsepower.

When accelerating from 0 to 100 km/h, the Bentley Continental Convertible is markedly quicker – completing the sprint in 4.1 s, while the Mercedes GLB takes 5.5 s. That’s about 1.4 s quicker.

There’s also a difference in torque: the Bentley Continental Convertible delivers noticeably more torque with 770 Nm compared to 515 Nm. That’s about 255 Nm more.

GLB

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 visibly lighter – 1,840 kg compared to 2,335 kg. The difference is around 495 kg.

Looking at boot space, the Mercedes GLB offers clearly more boot space – 540 L compared to 235 L. That’s a difference of about 305 L.

When it comes to payload, the Mercedes GLB carries very slightly more – 505 kg compared to 465 kg. That’s a difference of about 40 kg.

Who wins the race in the data check?

The Mercedes GLB holds a decisive overall lead 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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Bentley Continental Convertible

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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)
rate
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

Bentley Continental Convertible

The Bentley Continental GTC is the ultimate cruising companion, wrapping you in hand-stitched leather and hushed luxury while the roof folds away for sun-drenched grand tours. It’s impossibly accomplished — poised and surprisingly playful for its size — delivering an effortless presence that turns every motorway into a first-class runway.

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Reviews Bentley Continental Convertible

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

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Bentley Continental Convertible

Costs and Consumption
Price
43,200 - 62,400 £
Price
212,200 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
12.1 L/100km
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
-
Electric Range
431 - 631 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
275 g/km
Fuel tank capacity
-
Fuel tank capacity
90 L

Dimensions and Body
Body Type
SUV
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
1,840 - 2,280 kg
Curb weight
2,335 kg
Trunk capacity
540 L
Trunk capacity
235 L
Length
-
Length
4,850 mm
Width
1,861 mm
Width
1,964 mm
Height
-
Height
1,399 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
465 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
156 - 354 HP
Power HP
549 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
4.1 s
Max Speed
-
Max Speed
318 km/h
Torque
280 - 515 Nm
Torque
770 Nm
Number of Cylinders
4
Number of Cylinders
8
Power kW
115 - 260 kW
Power kW
404 kW
Engine capacity
1,499 cm3
Engine capacity
3,996 cm3

General
Model Year
2026
Model Year
2019
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Bentley
What drive types are available for the Mercedes GLB?

Available configurations include 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.