Compare performance (354 HP vs 460 HP), boot space and price (43,200 £ vs 31,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Tesla Model 3?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
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.
Tesla Model 3 is noticeably cheaper – starting at 31,700 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 11,492 £.
In terms of energy consumption, the Tesla Model 3 is moderately more efficient: consuming 13 kWh/100km compared to 15.4 kWh/100km for the Mercedes GLB. That’s a difference of about 2.4 kWh/100km.
As for electric range, the Tesla Model 3 offers moderately more range – reaching up to 750 km, about 119 km more than the Mercedes GLB.
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 Tesla Model 3 offers visibly more power – delivering 460 HP compared to 354 HP. That’s roughly 106 HP more horsepower.
When accelerating from 0 to 100 km/h, the Tesla Model 3 is clearly quicker – completing the sprint in 3.1 s, while the Mercedes GLB takes 5.5 s. That’s about 2.4 s quicker.
There’s also a difference in torque: the Tesla Model 3 delivers markedly more torque with 660 Nm compared to 515 Nm. That’s about 145 Nm more.
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, Tesla Model 3 is only slightly lighter – 1,822 kg compared to 1,840 kg. The difference is around 18 kg.
Looking at boot space, the Tesla Model 3 offers very slightly more boot space – 594 L compared to 540 L. That’s a difference of about 54 L.
When it comes to payload, the Mercedes GLB carries visibly more – 505 kg compared to 333 kg. That’s a difference of about 172 kg.
The Tesla Model 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.
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.
detailsThe Tesla Model 3 is a compact electric sedan that pairs brisk, responsive driving with a sleek, minimalist cabin and intuitive, software-led features. It makes a practical, modern choice for daily commutes and long-term ownership while emphasizing simplicity and advanced driver assistance.
detailsCosts and Consumption |
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|---|---|
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Price
43,200 - 62,400 £
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Price
31,700 - 50,100 £
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Consumption L/100km
5.7 - 6.1 L/100km
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Consumption L/100km
-
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Consumption kWh/100km
15.4 - 15.9 kWh/100km
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Consumption kWh/100km
13 - 16.5 kWh/100km
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Electric Range
431 - 631 km
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Electric Range
534 - 750 km
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Battery Capacity
-
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Battery Capacity
-
|
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co2
0 - 138 g/km
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co2
0 g/km
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Fuel tank capacity
-
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Fuel tank capacity
-
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Dimensions and Body |
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|---|---|
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Body Type
SUV
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Body Type
Sedan
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Seats
5
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Seats
5
|
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Doors
-
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Doors
-
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Curb weight
1,840 - 2,280 kg
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Curb weight
1,822 - 1,929 kg
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|
Trunk capacity
540 L
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Trunk capacity
594 L
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Length
-
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Length
-
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Width
1,861 mm
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Width
1,850 mm
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Height
-
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Height
-
|
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Max trunk capacity
-
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Max trunk capacity
-
|
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Payload
485 - 505 kg
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Payload
302 - 333 kg
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Engine and Performance |
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|---|---|
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Engine Type
Electric, Full Hybrid
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Engine Type
Electric
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Transmission
Automatic
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Transmission
Automatic
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Transmission Detail
Reduction Gearbox
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Transmission Detail
Reduction Gearbox
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Drive Type
All-Wheel Drive, Rear-Wheel Drive
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Power HP
156 - 354 HP
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Power HP
283 - 460 HP
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Acceleration 0-100km/h
5.5 - 9.7 s
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Acceleration 0-100km/h
3.1 - 6.2 s
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Max Speed
-
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Max Speed
-
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Torque
280 - 515 Nm
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Torque
420 - 660 Nm
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Number of Cylinders
4
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Number of Cylinders
-
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Power kW
115 - 260 kW
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Power kW
208 - 338 kW
|
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Engine capacity
1,499 cm3
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Engine capacity
-
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General |
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|---|---|
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Model Year
2026
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Model Year
2025
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CO2 Efficiency Class
A, D, E
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CO2 Efficiency Class
A
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Brand
Mercedes-Benz
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Brand
Tesla
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