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Hyundai i20 vs Mercedes GLB comparison

Compare performance (90 HP vs 354 HP), boot space and price (18,800 £ vs 43,200 £ ) at a glance. Find out which car is the better choice for you – Hyundai i20 or Mercedes GLB?

Hyundai i20 vs Mercedes GLB: Key differences

Hyundai i20

4.2 (2 Reviews)
rate
  • clearly cheaper
  • significantly lighter
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Mercedes GLB

3.6 (4 Reviews)
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  • clearly more power
  • significantly quicker 0–100 km/h
  • markedly 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

i20

Costs and Efficiency:

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

Hyundai i20 is clearly cheaper – starting at 18,800 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 24,383 £.

Both cars consume an average of 5.7 L/100km – no difference here.

GLB

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 Mercedes GLB offers clearly more power – delivering 354 HP compared to 90 HP. That’s roughly 264 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLB is significantly quicker – completing the sprint in 5.5 s, while the Hyundai i20 takes 11.5 s. That’s about 6 s quicker.

There’s also a difference in torque: the Mercedes GLB delivers considerably more torque with 515 Nm compared to 172 Nm. That’s about 343 Nm more.

i20

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Hyundai i20 is significantly lighter – 1,145 kg compared to 1,840 kg. The difference is around 695 kg.

Looking at boot space, the Mercedes GLB offers markedly more boot space – 540 L compared to 352 L. That’s a difference of about 188 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 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

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Hyundai i20
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Hyundai i20

The Hyundai i20 is a cheeky small car that mixes smart styling with sensible practicality, feeling more polished and roomy than you might expect for the money. It’s an easy car to live with, offering engaging handling, a comfy cabin and useful equipment that make daily commutes and weekend errands notably less dull.

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hyundai-all-new-i20-interior-04
hyundai-all-new-i20-details-11

Reviews Hyundai i20

4.2 (2 Reviews)
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Jason
17 Nov 2025, 01:46:25

Bought an i20 two years ago and It has surprised me how good It is.

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

Frequently compared as well

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Hyundai i20
Mercedes GLB

Costs and Consumption
Price
18,800 - 24,400 £
Price
43,200 - 62,400 £
Consumption L/100km
5.7 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
128 - 129 g/km
co2
0 - 138 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,145 - 1,170 kg
Curb weight
1,840 - 2,280 kg
Trunk capacity
352 L
Trunk capacity
540 L
Length
-
Length
-
Width
1,775 mm
Width
1,861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
455 - 465 kg
Payload
485 - 505 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
90 HP
Power HP
156 - 354 HP
Acceleration 0-100km/h
11.5 - 12.8 s
Acceleration 0-100km/h
5.5 - 9.7 s
Max Speed
-
Max Speed
-
Torque
172 Nm
Torque
280 - 515 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
66 kW
Power kW
115 - 260 kW
Engine capacity
998 cm3
Engine capacity
1,499 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
D
CO2 Efficiency Class
A, D, E
Brand
Hyundai
Brand
Mercedes-Benz
What drivetrain options does the Hyundai i20 have?

The Hyundai i20 is offered with Front-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.