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Mercedes GLB vs Porsche Taycan comparison

Compare performance (354 HP vs 1,034 HP), boot space and price (43,200 £ vs 87,900 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Porsche Taycan?

Mercedes GLB vs Porsche Taycan: Key differences

Mercedes GLB

3.6 (4 Reviews)
rate
  • substantially cheaper
  • marginally more efficient
  • somewhat lighter
  • noticeably more trunk space
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Porsche Taycan

  • clearly more power
  • barely more electric range
  • considerably quicker 0–100 km/h
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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

GLB

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes GLB is substantially cheaper – starting at 43,200 £ , while the Porsche Taycan costs 87,900 £ . That’s a price difference of around 44,745 £.

In terms of energy consumption, the Mercedes GLB is marginally more efficient: consuming 15.4 kWh/100km compared to 16.7 kWh/100km for the Porsche Taycan. That’s a difference of about 1.3 kWh/100km.

As for electric range, the Porsche Taycan offers barely more range – reaching up to 680 km, about 49 km more than the Mercedes GLB.

Taycan

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 Porsche Taycan offers clearly more power – delivering 1,034 HP compared to 354 HP. That’s roughly 680 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Taycan is considerably quicker – completing the sprint in 2.2 s, while the Mercedes GLB takes 5.5 s. That’s about 3.3 s quicker.

There’s also a difference in torque: the Porsche Taycan delivers considerably more torque with 1,340 Nm compared to 515 Nm. That’s about 825 Nm more.

GLB

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 GLB offers more seats – 5 vs 4.

In terms of curb weight, Mercedes GLB is somewhat lighter – 1,840 kg compared to 2,165 kg. The difference is around 325 kg.

Looking at boot space, the Mercedes GLB offers noticeably more boot space – 540 L compared to 407 L. That’s a difference of about 133 L.

When it comes to payload, the Porsche Taycan carries markedly more – 635 kg compared to 505 kg. That’s a difference of about 130 kg.

Who wins the race in the data check?

The Porsche Taycan is decisively ahead 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
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Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes GLB

The Mercedes GLB is a compact luxury SUV that blends smart packaging with a polished, composed driving experience. Its flexible interior and premium feel make it a sensible pick for buyers who want Mercedes comfort and practicality in a smaller footprint.

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Reviews Mercedes GLB

3.6 (4 Reviews)
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Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

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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Reviews Porsche Taycan

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

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Porsche Taycan

Costs and Consumption
Price
43,200 - 62,400 £
Price
87,900 - 206,700 £
Consumption L/100km
5.7 - 6.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
15.4 - 15.9 kWh/100km
Consumption kWh/100km
16.7 - 20.7 kWh/100km
Electric Range
431 - 631 km
Electric Range
552 - 680 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 138 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Coupe
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,840 - 2,280 kg
Curb weight
2,165 - 2,370 kg
Trunk capacity
540 L
Trunk capacity
326 - 407 L
Length
-
Length
-
Width
1,861 mm
Width
1,966 - 1,998 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
485 - 505 kg
Payload
175 - 635 kg

Engine and Performance
Engine Type
Electric, Full Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
156 - 354 HP
Power HP
408 - 1,034 HP
Acceleration 0-100km/h
5.5 - 9.7 s
Acceleration 0-100km/h
2.2 - 4.8 s
Max Speed
-
Max Speed
-
Torque
280 - 515 Nm
Torque
410 - 1,340 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
115 - 260 kW
Power kW
300 - 760 kW
Engine capacity
1,499 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, D, E
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Porsche
What drive types are available for the Mercedes GLB?

Available configurations include 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.