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Mercedes GLB vs Genesis G70 comparison

Compare performance (354 HP vs 245 HP), boot space and price (43,200 £ vs 38,600 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Genesis G70?

Mercedes GLB vs Genesis G70: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • clearly more power
  • slightly more efficient
  • slightly quicker 0–100 km/h
  • noticeably more trunk space
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Genesis G70

  • slightly cheaper
  • only slightly lighter
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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.

Genesis G70 is slightly cheaper – starting at 38,600 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 4,643 £.

Fuel consumption also shows a difference: the Mercedes GLB uses 5.7 L/100km and is slightly more efficient than the Genesis G70 with 6.5 L/100km. The difference is about 0.8 L/100km.

G70

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 Mercedes GLB offers clearly more power – delivering 354 HP compared to 245 HP. That’s roughly 109 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is slightly quicker – completing the sprint in 5.5 s, while the Genesis G70 takes 6.1 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers somewhat more torque with 515 Nm compared to 440 Nm. That’s about 75 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, Genesis G70 is only slightly lighter – 1,727 kg compared to 1,840 kg. The difference is around 113 kg.

Looking at boot space, the Mercedes GLB offers noticeably more boot space – 540 L compared to 330 L. That’s a difference of about 210 L.

When it comes to payload, the Mercedes GLB carries slightly more – 505 kg compared to 452 kg. That’s a difference of about 53 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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Frequently compared as well

Mercedes GLB
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Mercedes GLB
Genesis G70

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 G70

The Genesis G70 blends sleek, low-slung styling with a cabin that feels more bespoke than bargain-bin, delivering driver-focused dynamics that make long runs and twisty roads equally entertaining. With premium materials, thoughtful tech and a value proposition that nudges past its German rivals, it’s the kind of compact executive that feels serious but doesn’t take itself too seriously.

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614633
614635
614637
611727(1)

Reviews Genesis G70

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

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Mercedes GLB
Genesis G70

Costs and Consumption
Price
43,200 - 62,400 £
Price
38,600 - 44,500 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
6.5 - 9.1 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
170 - 206 g/km
Fuel tank capacity
-
Fuel tank capacity
60 L

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
1,840 - 2,280 kg
Curb weight
1,727 - 1,858 kg
Trunk capacity
540 L
Trunk capacity
330 L
Length
-
Length
4,685 mm
Width
1,861 mm
Width
1,850 mm
Height
-
Height
1,400 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
413 - 452 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Petrol, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
156 - 354 HP
Power HP
200 - 245 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
6.1 - 7.9 s
Max Speed
-
Max Speed
230 - 240 km/h
Torque
280 - 515 Nm
Torque
353 - 440 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
115 - 260 kW
Power kW
147 - 180 kW
Engine capacity
1,499 cm3
Engine capacity
1,998 - 2,199 cm3

General
Model Year
2026
Model Year
2,021 - 2,023
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
G, F
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.