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Mercedes B Class vs SEAT Ibiza comparison

Compare performance (238 HP vs 150 HP), boot space and price (33,100 £ vs 16,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or SEAT Ibiza?

Mercedes B Class vs SEAT Ibiza: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • noticeably more power
  • significantly more efficient
  • markedly quicker 0–100 km/h
  • markedly more trunk space

SEAT Ibiza

  • substantially cheaper
  • visibly lighter

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

B Class

Costs and Efficiency:

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

SEAT Ibiza is substantially cheaper – starting at 16,800 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 16,287 £.

Fuel consumption also shows a difference: the Mercedes B Class uses 2.5 L/100km and is significantly more efficient than the SEAT Ibiza with 5 L/100km. The difference is about 2.5 L/100km.

Ibiza

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 B Class offers noticeably more power – delivering 238 HP compared to 150 HP. That’s roughly 88 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is markedly quicker – completing the sprint in 6.5 s, while the SEAT Ibiza takes 8.1 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers clearly more torque with 450 Nm compared to 250 Nm. That’s about 200 Nm more.

B Class

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, SEAT Ibiza is visibly lighter – 1,111 kg compared to 1,405 kg. The difference is around 294 kg.

Looking at boot space, the Mercedes B Class offers markedly more boot space – 455 L compared to 355 L. That’s a difference of about 100 L.

When it comes to payload, the Mercedes B Class carries marginally more – 550 kg compared to 522 kg. That’s a difference of about 28 kg.

Who wins the race in the data check?

The Mercedes B Class 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 £33,100
B Class

Mercedes B Class

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 238 HP
  • Consumption L/100km : 2.5 - 6.9 L/100km
  • Electric Range : 83 km
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Frequently compared as well

Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class is the practical, airy people‑carrier that prioritises space and comfort, while the Mercedes GLA takes the same mechanical smarts and adds SUV looks, higher ride height and a touch more road presence. Pick the B‑Class for family‑friendly sense and efficiency, choose the GLA if …
Mercedes A Class
Mercedes B Class
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The Mercedes A‑Class is the sporty, tech‑savvy compact that thrills with sharp handling and a slick cockpit, while the Mercedes B‑Class trades a bit of attitude for towering practicality, roomier seats and a more useful boot. Choose the A‑Class if you want driving fun and style; pick the B‑Class if …
Mercedes B Class
SEAT Ibiza

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

SEAT Ibiza

The SEAT Ibiza is a cheeky, well-priced hatchback that blends sharp styling with a grown-up driving character, making it a smart choice for city commuters who still want a bit of fun. Inside it's practical and neatly finished, with sensible kit and easygoing manners that make everyday life less fussy — a car that doesn't try too hard but gets the job done with a smile.

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Reviews SEAT Ibiza

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

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Mercedes B Class
SEAT Ibiza

Costs and Consumption
Price
33,100 - 52,500 £
Price
16,800 - 28,800 £
Consumption L/100km
2.5 - 6.9 L/100km
Consumption L/100km
5 - 5.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 km
Electric Range
-
Battery Capacity
12.9 kWh
Battery Capacity
-
co2
56 - 156 g/km
co2
114 - 128 g/km
Fuel tank capacity
35 L
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,405 - 1,745 kg
Curb weight
1,111 - 1,231 kg
Trunk capacity
405 - 455 L
Trunk capacity
355 L
Length
4,419 mm
Length
-
Width
1,796 mm
Width
1,780 mm
Height
1,562 mm
Height
-
Max trunk capacity
1,440 L
Max trunk capacity
-
Payload
505 - 550 kg
Payload
489 - 522 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
80 - 150 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
8.1 - 15.3 s
Max Speed
223 km/h
Max Speed
-
Torque
200 - 450 Nm
Torque
95 - 250 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
85 - 175 kW
Power kW
59 - 110 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
999 - 1,498 cm3

General
Model Year
2,024 - 2,025
Model Year
2,025
CO2 Efficiency Class
B, D, E, F
CO2 Efficiency Class
D, C
Brand
Mercedes-Benz
Brand
SEAT
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-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.