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Mercedes B Class vs Porsche Taycan comparison

Compare performance (238 HP vs 1,034 HP), boot space and price (33,100 £ vs 87,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Porsche Taycan?

Mercedes B Class vs Porsche Taycan: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • substantially cheaper
  • substantially lighter
  • a bit more trunk space
details

Porsche Taycan

  • substantially more power
  • clearly quicker 0–100 km/h
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

B Class

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.

Mercedes B Class is substantially cheaper – starting at 33,100 £ , while the Porsche Taycan costs 87,900 £ . That’s a price difference of around 54,813 £.

Taycan

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 Porsche Taycan offers substantially more power – delivering 1,034 HP compared to 238 HP. That’s roughly 796 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Taycan is clearly quicker – completing the sprint in 2.2 s, while the Mercedes B Class takes 6.5 s. That’s about 4.3 s quicker.

There’s also a difference in torque: the Porsche Taycan delivers substantially more torque with 1,340 Nm compared to 400 Nm. That’s about 940 Nm more.

B Class

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: Mercedes B Class offers more seats – 5 vs 4.

In terms of curb weight, Mercedes B Class is substantially lighter – 1,405 kg compared to 2,165 kg. The difference is around 760 kg.

Looking at boot space, the Mercedes B Class offers a bit more boot space – 455 L compared to 407 L. That’s a difference of about 48 L.

When it comes to payload, the Porsche Taycan carries slightly more – 635 kg compared to 550 kg. That’s a difference of about 85 kg.

Who wins the race in the data check?

The Porsche Taycan 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 £87,900
Taycan

Porsche Taycan

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 408 - 1,034 HP
  • Consumption kWh/100km 16.7 - 20.7 kWh/100km
  • Electric Range 552 - 680 km
Mercedes B Class
Porsche Taycan

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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Porsche Taycan

The Porsche Taycan blends Porsche's razor-sharp handling with electric immediacy, delivering an exhilarating, near-silent shove that still feels unmistakably sporty. Inside it's a high-tech cockpit wrapped in premium materials, making it as rewarding to live with day to day as it is thrilling to drive on a twisty road.

details
Mercedes B Class
Porsche Taycan

Costs and Consumption

Price
33,100 - 52,500 £
Price
87,900 - 206,700 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.7 - 20.7 kWh/100km
Electric Range
-
Electric Range
552 - 680 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
MPV
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
2,165 - 2,370 kg
Trunk capacity
445 - 455 L
Trunk capacity
326 - 407 L
Length
-
Length
-
Width
1,796 mm
Width
1,966 - 1,998 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
175 - 635 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 - 238 HP
Power HP
408 - 1,034 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
2.2 - 4.8 s
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
410 - 1,340 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 175 kW
Power kW
300 - 760 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
-

General

Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Porsche
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.