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Hyundai i20 vs Mercedes B Class comparison

Compare performance (90 HP vs 238 HP), boot space and price (18,600 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – Hyundai i20 or Mercedes B Class?

Hyundai i20 vs Mercedes B Class: Key differences

Hyundai i20

4 (1 Reviews)
rate
  • clearly cheaper
  • noticeably lighter
details

Mercedes B Class

4.9 (5 Reviews)
rate
  • clearly more power
  • moderately more efficient
  • significantly quicker 0–100 km/h
  • visibly more trunk space
details

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:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Hyundai i20 is clearly cheaper – starting at 18,600 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 14,529 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 5.1 L/100km and is moderately more efficient than the Hyundai i20 with 5.7 L/100km. The difference is about 0.6 L/100km.

B Class

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 Mercedes B Class offers clearly more power – delivering 238 HP compared to 90 HP. That’s roughly 148 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is significantly quicker – completing the sprint in 6.5 s, while the Hyundai i20 takes 11.5 s. That’s about 5 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers considerably more torque with 400 Nm compared to 172 Nm. That’s about 228 Nm more.

i20

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, Hyundai i20 is noticeably lighter – 1,145 kg compared to 1,405 kg. The difference is around 260 kg.

Looking at boot space, the Mercedes B Class offers visibly more boot space – 455 L compared to 352 L. That’s a difference of about 103 L.

When it comes to payload, the Mercedes B Class carries slightly more – 550 kg compared to 465 kg. That’s a difference of about 85 kg.

Who wins the race in the data check?

The Mercedes B Class is far ahead overall 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 £33,100
B Class

Mercedes B Class

  • Engine Type : Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 238 HP
  • Consumption L/100km : 5.1 - 6.9 L/100km
details

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Mercedes A Class
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Hyundai i20
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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-details-11

Reviews Hyundai i20

4 (1 Reviews)
rate
Jason
17 Nov 2025, 01:46:25

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

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

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Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes B Class

Costs and Consumption
Price
18,600 - 24,000 £
Price
33,100 - 52,500 £
Consumption L/100km
5.7 L/100km
Consumption L/100km
5.1 - 6.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
128 - 129 g/km
co2
133 - 156 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
MPV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,145 - 1,170 kg
Curb weight
1,405 - 1,565 kg
Trunk capacity
352 L
Trunk capacity
445 - 455 L
Length
-
Length
-
Width
1,775 mm
Width
1,796 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
455 - 465 kg
Payload
515 - 550 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Diesel
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
90 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
11.5 - 12.8 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
-
Max Speed
-
Torque
172 Nm
Torque
200 - 400 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
66 kW
Power kW
85 - 175 kW
Engine capacity
998 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D
CO2 Efficiency Class
D, E, F
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.