Hyundai i30 vs Mercedes B Class - Differences and prices compared

Q: How powerful is the Hyundai i30's engine?

The Hyundai i30 reaches a peak output of 140 HP, depending on the model.

Q: What are the consumption figures for the Hyundai i30 in liters per 100 km?

Fuel consumption according to the manufacturer is 5.70 L.

Q: How much luggage fits in the Hyundai i30?

Depending on configuration, up to 395 L fit inside.

Q: How big is the Hyundai i30 overall?

Overall, the Hyundai i30 is 4340 mm long, 1795 mm wide and 1455 mm high.

Q: What drivetrain options does the Mercedes B Class have?

The Mercedes B Class is offered with Front-Wheel Drive or All-Wheel Drive.

Q: How much power does the Mercedes B Class deliver on the road?

Up to 238 HP of power – depending on the configuration.

Q: What is the fuel consumption of the Mercedes B Class according to the manufacturer?

Based on WLTP testing, consumption is around 2.50 L.

Q: What is the Mercedes B Class’s maximum WLTP range?

Depending on equipment, the WLTP range reaches up to 83 km.

Q: How many kWh does the Mercedes B Class’s battery hold?

The Mercedes B Class comes with a 12.90 kWh battery.

Compare performance (140 HP vs 238 HP), boot space and price (24000 £ vs 33100 £) at a glance. Find out which car is the better choice for you – Hyundai i30 or Mercedes B Class?

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Hyundai i30

Mercedes B Class

5 (4 Reviews)

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

i30

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Hyundai i30 has a evident advantage in terms of price – it starts at 24000 £, while the Mercedes B Class costs 33100 £. That’s a price difference of around 9138 £.

Fuel consumption also shows a difference: Mercedes B Class manages with 2.50 L and is therefore clearly more efficient than the Hyundai i30 with 5.70 L. The difference is about 3.20 L per 100 km.

B Class

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 B Class has a convincingly edge – offering 238 HP compared to 140 HP. That’s roughly 98 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes B Class is decisively quicker – completing the sprint in 6.50 s, while the Hyundai i30 takes 9.60 s. That’s about 3.10 s faster.

In terms of top speed, the Mercedes B Class performs evident better – reaching 250 km/h, while the Hyundai i30 tops out at 197 km/h. The difference is around 53 km/h.

There’s also a difference in torque: Mercedes B Class pulls decisively stronger with 450 Nm compared to 253 Nm. That’s about 197 Nm difference.

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i30

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.

Both vehicles offer seating for 5 people.

In curb weight, Hyundai i30 is minimal lighter – 1291 kg compared to 1405 kg. The difference is around 114 kg.

In terms of boot space, the Mercedes B Class offers somewhat more room – 455 L compared to 395 L. That’s a difference of about 60 L.

In maximum load capacity, the Mercedes B Class performs slightly better – up to 1540 L, which is about 239 L more than the Hyundai i30.

When it comes to payload, Mercedes B Class minimal takes the win – 550 kg compared to 509 kg. That’s a difference of about 41 kg.

Who comes out on top?

Overall, the Mercedes B Class shows itself to be is largely superior 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 £33,100

Mercedes B Class

Price : 33100 - 52500 £
Body Type : MPV
Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
Transmission : Automatic
Transmission Detail : Dual-Clutch Automatic
Drive Type : Front-Wheel Drive, All-Wheel Drive
Power HP : 116 - 238 HP
Consumption L/100km : 2.5 - 6.9 L
Electric Range : 83 km
Battery Capacity : 12.90 kWh
Seats : 5
Acceleration 0-100km/h : 6.5 - 10 s
Model Year : 2024 - 2025
Max Speed : 200 - 250 km/h
Torque : 200 - 450 Nm
Number of Cylinders : 4
Doors : 5
Model : B-Klasse
Modell : B 250 e, B 180, B 200, B 220, B 250, B 180 d, B 200 d, B 220 d
CO2 Efficiency Class : B, D, E, F
Trim Level : 8G-DCT, Advanced 8G-DCT, AMG Line Advanced Plus 8G-DCT, AMG Line Premium 8G-DCT, Progressive Line Advanced 8G-DCT, Progressive Line Advanced Plus 8G-DCT, AMG Line Premium Plus 8G-DCT, 7G-DCT, Advanced 7G-DCT, Progressive Line Advanced 7G-DCT, Progressive Line Advanced Plus 7G-DCT, AMG Line Advanced Plus 7G-DCT, AMG Line Premium 7G-DCT, AMG Line Premium Plus 7G-DCT, 4MATIC 8G-DCT, Advanced 4MATIC 8G-DCT, Progressive Line Advanced 4MATIC 8G-DCT, Progressive Line Advanced Plus 4MATIC 8G-DCT, AMG Line Advanced Plus 4MATIC 8G-DCT, AMG Line Premium 4MATIC 8G-DCT, AMG Line Premium Plus 4MATIC 8G-DCT
Power kW : 85 - 175 kW
co2 : 56 - 156 g/km
Engine capacity : 1332 - 1991 cm3
Curb weight : 1405 - 1745 kg
Fuel tank capacity : 35 - 51 L
Trunk capacity : 405 - 455 L
Length : 4419 mm
Width : 1796 mm
Height : 1562 mm
Brand : Mercedes-Benz
Max trunk capacity : 1440 - 1540 L
Payload : 505 - 550 kg

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Hyundai i30

Mercedes B Class

Costs and Consumption

View detailed analysis

Price

Consumption L/100km

co2

Fuel tank capacity

Engine and Performance

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Power HP

Acceleration 0-100km/h

Max Speed

Torque

Number of Cylinders

Power kW

Engine capacity

Dimensions and Body

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Seats

Curb weight

Trunk capacity

Max trunk capacity

Payload

Hyundai i30

The Hyundai i30 proves that sensible can also be stylish, offering a confident driving character wrapped in neat, modern design. It serves up a roomy, well-equipped cabin and composed ride that make everyday motoring feel like a clever purchase rather than a compromise.

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Mercedes B Class

5 (4 Reviews)

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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Hyundai i30

Mercedes B Class

Costs and Consumption
Price 24000 - 29300 £	Price 33100 - 52500 £
Consumption L/100km 5.7 - 6 L	Consumption L/100km 2.5 - 6.9 L
Consumption kWh/100km -	Consumption kWh/100km -
Electric Range -	Electric Range 83 km
Battery Capacity -	Battery Capacity 12.90 kWh
co2 130 - 136 g/km	co2 56 - 156 g/km
Fuel tank capacity 50 L	Fuel tank capacity 35 - 51 L

Dimensions and Body
Body Type Hatchback	Body Type MPV
Seats 5	Seats 5
Doors 5	Doors 5
Curb weight 1291 - 1407 kg	Curb weight 1405 - 1745 kg
Trunk capacity 395 L	Trunk capacity 405 - 455 L
Length 4340 mm	Length 4419 mm
Width 1795 mm	Width 1796 mm
Height 1455 mm	Height 1562 mm
Max trunk capacity 1301 L	Max trunk capacity 1440 - 1540 L
Payload 463 - 509 kg	Payload 505 - 550 kg

Engine and Performance
Engine Type Petrol, Petrol MHEV	Engine Type Plugin Hybrid, 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 100 - 140 HP	Power HP 116 - 238 HP
Acceleration 0-100km/h 9.6 - 13.1 s	Acceleration 0-100km/h 6.5 - 10 s
Max Speed 178 - 197 km/h	Max Speed 200 - 250 km/h
Torque 172 - 253 Nm	Torque 200 - 450 Nm
Number of Cylinders 3 - 4	Number of Cylinders 4
Power kW 74 - 103 kW	Power kW 85 - 175 kW
Engine capacity 998 - 1482 cm3	Engine capacity 1332 - 1991 cm3