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Mercedes GLB vs Hyundai IONIQ 9 - Differences and prices compared

Compare performance (320 HP vs 428 HP), boot space and price (40500 £ vs 58700 £) at a glance. Find out which car is the better choice for you – Mercedes GLB or Hyundai IONIQ 9?

Mercedes GLB

Hyundai IONIQ 9

Here’s where it gets real: The technical differences in detail

GLB @ Mercedes-Benz Group Media

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes GLB has a decisively advantage in terms of price – it starts at 40500 £, while the Hyundai IONIQ 9 costs 58700 £. That’s a price difference of around 18205 £.

GLB @ Mercedes-Benz Group Media

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 Hyundai IONIQ 9 has a clearly perceptible edge – offering 428 HP compared to 320 HP. That’s roughly 108 HP more horsepower.

In acceleration from 0 to 100 km/h, the Hyundai IONIQ 9 is hardly perceptible quicker – completing the sprint in 5.20 s, while the Mercedes GLB takes 5.50 s. That’s about 0.30 s faster.

In terms of top speed, the Mercedes GLB performs somewhat better – reaching 250 km/h, while the Hyundai IONIQ 9 tops out at 200 km/h. The difference is around 50 km/h.

There’s also a difference in torque: Hyundai IONIQ 9 pulls decisively stronger with 700 Nm compared to 400 Nm. That’s about 300 Nm difference.

GLB @ Mercedes-Benz Group Media

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.

Seats: Hyundai IONIQ 9 offers clearly perceptible more seating capacity – 7 vs 5.

In curb weight, Mercedes GLB is significantly lighter – 1640 kg compared to 2594 kg. The difference is around 954 kg.

In terms of boot space, the Mercedes GLB offers clearly more room – 570 L compared to 338 L. That’s a difference of about 232 L.

In maximum load capacity, the Hyundai IONIQ 9 performs distinct better – up to 2419 L, which is about 614 L more than the Mercedes GLB.

When it comes to payload, Hyundai IONIQ 9 evident takes the win – 643 kg compared to 500 kg. That’s a difference of about 143 kg.

Who comes out on top?

Overall, the Hyundai IONIQ 9 shows itself to be outperforms in nearly all aspects and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £58,700
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Hyundai IONIQ 9

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 218 - 428 HP
  • Consumption kWh/100km : 19.9 - 20.6 kWh
  • Electric Range : 600 - 620 km
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Mercedes GLB
Hyundai IONIQ 9

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 practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Hyundai IONIQ 9

The Hyundai IONIQ 9 is a bold step forward in the automotive world, combining cutting-edge electric technology with a sleek and modern design. This model stands out with its spacious interior and advanced features, ensuring both comfort and convenience for drivers and passengers alike. As Hyundai pushes the envelope in eco-friendly innovation, the IONIQ 9 represents the future of sustainable driving with its impressive range and performance capabilities.

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Reviews Mercedes GLB

Reviews Hyundai IONIQ 9

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Costs and Consumption
Price
40500 - 65300 £
Price
58700 - 74400 £
Consumption L/100km
5.6 - 9 L
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 20.6 kWh
Electric Range
-
Electric Range
600 - 620 km
Battery Capacity
-
Battery Capacity
110 kWh
co2
146 - 204 g/km
co2
0 g/km
Fuel tank capacity
52 - 60 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
7
Doors
5
Doors
5
Curb weight
1640 - 1820 kg
Curb weight
2594 - 2689 kg
Trunk capacity
565 - 570 L
Trunk capacity
338 L
Length
4634 - 4650 mm
Length
5060 mm
Width
1834 - 1850 mm
Width
1980 mm
Height
1665 - 1692 mm
Height
1790 mm
Max trunk capacity
1800 - 1805 L
Max trunk capacity
2419 L
Payload
500 kg
Payload
586 - 643 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 320 HP
Power HP
218 - 428 HP
Acceleration 0-100km/h
5.5 - 11.5 s
Acceleration 0-100km/h
5.2 - 9.4 s
Max Speed
188 - 250 km/h
Max Speed
190 - 200 km/h
Torque
230 - 400 Nm
Torque
350 - 700 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 235 kW
Power kW
160 - 315 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Hyundai

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What drivetrain options does the Mercedes GLB have?

Available configurations include Front-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.