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Mercedes GLB vs Polestar 3 - Differences and prices compared

Compare performance (354 HP vs 517 HP), boot space and price (50600 £ vs 67400 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Polestar 3?

Mercedes GLB

3.2 (3 Reviews)
rate

Polestar 3

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

GLB

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 GLB has a evident advantage in terms of price – it starts at 50600 £ , while the Polestar 3 costs 67400 £ . That’s a price difference of around 16750 £.

In terms of energy consumption, the advantage goes to the Mercedes GLB: with 15.80 kWh per 100 km, it’s slightly more efficient than the Polestar 3 with 17.60 kWh. That’s a difference of about 1.80 kWh.

As for electric range, the Polestar 3 performs slightly better – achieving up to 706 km, about 75 km more than the Mercedes GLB.

3

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 Polestar 3 has a noticeable edge – offering 517 HP compared to 354 HP. That’s roughly 163 HP more horsepower.

In acceleration from 0 to 100 km/h, the Polestar 3 is somewhat quicker – completing the sprint in 4.70 s, while the Mercedes GLB takes 5.50 s. That’s about 0.80 s faster.

There’s also a difference in torque: Polestar 3 pulls decisively stronger with 910 Nm compared to 515 Nm. That’s about 395 Nm difference.

GLB

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 curb weight, Mercedes GLB is slightly lighter – 2200 kg compared to 2575 kg. The difference is around 375 kg.

In terms of boot space, the Mercedes GLB offers slightly more room – 540 L compared to 484 L. That’s a difference of about 56 L.

When it comes to payload, Mercedes GLB slight takes the win – 500 kg compared to 496 kg. That’s a difference of about 4 kg.

Who wins the race in the data check?

The Polestar 3 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.

Mercedes GLB
Polestar 3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £67,400
3

Polestar 3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 299 - 517 HP
  • Consumption kWh/100km : 17.6 - 21.9 kWh
  • Electric Range : 567 - 706 km
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Mercedes GLB

3.2 (3 Reviews)
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The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Polestar 3

Polestar 3 arrives as a Scandinavian-styled electric SUV that marries minimalist design with a statuesque presence, looking smarter than most in the car park. Inside, the cabin feels airy and thoughtful, with tech and driving manners that lean toward composed comfort rather than outright drama — perfect for buyers who want electric prestige without shouting about it.

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Reviews Mercedes GLB

3.2 (3 Reviews)
rate

Reviews Polestar 3

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Costs and Consumption
Price
50600 - 62400 £
Price
67400 - 79000 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.8 - 15.9 kWh
Consumption kWh/100km
17.6 - 21.9 kWh
Electric Range
614 - 631 km
Electric Range
567 - 706 km
Battery Capacity
-
Battery Capacity
107 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2200 - 2280 kg
Curb weight
2575 - 2584 kg
Trunk capacity
540 L
Trunk capacity
484 L
Length
-
Length
4900 mm
Width
1861 mm
Width
1935 mm
Height
-
Height
1614 - 1618 mm
Max trunk capacity
-
Max trunk capacity
1411 L
Payload
500 kg
Payload
285 - 496 kg

Engine and Performance
Engine Type
Electric
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
All-Wheel Drive, Rear-Wheel Drive
Power HP
272 - 354 HP
Power HP
299 - 517 HP
Acceleration 0-100km/h
5.5 - 7.4 s
Acceleration 0-100km/h
4.7 - 7.8 s
Max Speed
-
Max Speed
180 - 210 km/h
Torque
335 - 515 Nm
Torque
490 - 910 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
200 - 260 kW
Power kW
220 - 380 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Polestar

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What drivetrain options does the Mercedes GLB have?

Available configurations include Rear-Wheel Drive or All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.