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Porsche Taycan vs Mercedes B Class comparison

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

Porsche Taycan vs Mercedes B Class: Key differences

Porsche Taycan

  • clearly more power
  • significantly quicker 0–100 km/h
details

Mercedes B Class

4.9 (5 Reviews)
rate
  • significantly cheaper
  • clearly lighter
  • slightly 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

Taycan

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

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 Porsche Taycan offers clearly 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 significantly 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.

Taycan

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 clearly lighter – 1,405 kg compared to 2,165 kg. The difference is around 760 kg.

Looking at boot space, the Mercedes B Class offers slightly 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 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 £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
details

Frequently compared as well

Mercedes B Class
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Mercedes A Class
Mercedes B Class
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Porsche Taycan
Mercedes B Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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Taycan_Basis_1
Taycan_Basis_4
Taycan_Basis_2
Taycan_Basis_7
Taycan_Basis_11

Reviews Porsche Taycan

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

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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18C0953_005
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18C0947_044

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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Porsche Taycan
Mercedes B Class

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

Dimensions and Body
Body Type
Coupe
Body Type
MPV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
2,165 - 2,370 kg
Curb weight
1,405 - 1,565 kg
Trunk capacity
326 - 407 L
Trunk capacity
445 - 455 L
Length
-
Length
-
Width
1,966 - 1,998 mm
Width
1,796 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
175 - 635 kg
Payload
515 - 550 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
408 - 1,034 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
2.2 - 4.8 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
-
Max Speed
-
Torque
410 - 1,340 Nm
Torque
200 - 400 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
300 - 760 kW
Power kW
85 - 175 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
D, E, F
Brand
Porsche
Brand
Mercedes-Benz
What drive types are available for the Porsche Taycan?

The Porsche Taycan is offered with Rear-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.