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Mercedes GLB vs Genesis G90 comparison

Compare performance (354 HP vs 415 HP), boot space and price (43,200 £ vs 96,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Genesis G90?

Mercedes GLB vs Genesis G90: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • substantially cheaper
  • clearly more efficient
  • noticeably lighter
  • clearly more trunk space
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Genesis G90

  • slightly more power
  • marginally 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 key factors when choosing a car – and this is often where the real differences emerge.

Mercedes GLB is substantially cheaper – starting at 43,200 £ , while the Genesis G90 costs 96,200 £ . That’s a price difference of around 52,957 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is clearly more efficient than the Genesis G90 with 11 L/100km. The difference is about 5.3 L/100km.

G90

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 Genesis G90 offers slightly more power – delivering 415 HP compared to 354 HP. That’s roughly 61 HP more horsepower.

When accelerating from 0 to 100 km/h, the Genesis G90 is marginally quicker – completing the sprint in 5.2 s, while the Mercedes GLB takes 5.5 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Genesis G90 delivers only slightly more torque with 549 Nm compared to 515 Nm. That’s about 34 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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes GLB is noticeably lighter – 1,840 kg compared to 2,260 kg. The difference is around 420 kg.

Looking at boot space, the Mercedes GLB offers clearly more boot space – 540 L compared to 368 L. That’s a difference of about 172 L.

Maximum payload is identical – both can carry up to 505 kg.

Who wins the race in the data check?

The Mercedes GLB 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 £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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Frequently compared as well

Mercedes EQB
Mercedes GLB
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Mercedes GLB
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Mercedes GLB
Genesis G90

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

Genesis G90

The Genesis G90 is the brand's flagship limousine, wrapping passengers in a serene cabin that feels bespoke and quietly confident. It delivers a cultured ride, sumptuous materials and clever tech smarts, all served with an understated swagger that makes rear-seat commuters feel like they've finally arrived.

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Reviews Genesis G90

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

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Mercedes GLB
Genesis G90

Costs and Consumption
Price
43,200 - 62,400 £
Price
96,200 - 108,200 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
11 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
248 g/km
Fuel tank capacity
-
Fuel tank capacity
73 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
4 - 5
Doors
-
Doors
4
Curb weight
1,840 - 2,280 kg
Curb weight
2,260 - 2,470 kg
Trunk capacity
540 L
Trunk capacity
368 L
Length
-
Length
5,275 - 5,465 mm
Width
1,861 mm
Width
1,930 mm
Height
-
Height
1,490 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
370 - 505 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
156 - 354 HP
Power HP
415 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
5.2 - 5.4 s
Max Speed
-
Max Speed
250 km/h
Torque
280 - 515 Nm
Torque
549 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
115 - 260 kW
Power kW
305 kW
Engine capacity
1,499 cm3
Engine capacity
3,470 cm3

General
Model Year
2026
Model Year
2023
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Genesis
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.