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Mercedes GLB vs Tesla Model 3 comparison

Compare performance (354 HP vs 460 HP), boot space and price (50600 £ vs 31700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Tesla Model 3?

Mercedes GLB vs Tesla Model 3: Key differences

Mercedes GLB

3.2 (3 Reviews)
rate

Tesla Model 3

3.8 (4 Reviews)
rate
  • clearly cheaper
  • clearly perceptible more power
  • noticeable more efficient
  • a bit more electric range
  • significantly quicker from 0–100 km/h
  • noticeable lighter
  • slight more trunk space

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:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Tesla Model 3 has a clearly advantage in terms of price – it starts at 31700 £ , while the Mercedes GLB costs 50600 £ . That’s a price difference of around 18907 £.

In terms of energy consumption, the advantage goes to the Tesla Model 3: with 13 kWh per 100 km, it’s noticeable more efficient than the Mercedes GLB with 15.80 kWh. That’s a difference of about 2.80 kWh.

As for electric range, the Tesla Model 3 performs a bit better – achieving up to 750 km, about 119 km more than the Mercedes GLB.

Model 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 Tesla Model 3 has a clearly perceptible edge – offering 460 HP compared to 354 HP. That’s roughly 106 HP more horsepower.

In acceleration from 0 to 100 km/h, the Tesla Model 3 is significantly quicker – completing the sprint in 3.10 s, while the Mercedes GLB takes 5.50 s. That’s about 2.40 s faster.

There’s also a difference in torque: Tesla Model 3 pulls evident stronger with 660 Nm compared to 515 Nm. That’s about 145 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, Tesla Model 3 is noticeable lighter – 1772 kg compared to 2200 kg. The difference is around 428 kg.

In terms of boot space, the Tesla Model 3 offers slight more room – 594 L compared to 540 L. That’s a difference of about 54 L.

When it comes to payload, Mercedes GLB evident takes the win – 500 kg compared to 377 kg. That’s a difference of about 123 kg.

Who wins the race in the data check?

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.

Frequently compared as well

Mercedes EQB
Mercedes GLB
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Mercedes EQB and Mercedes GLB go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes GLB
Skoda Kodiaq
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The Mercedes GLB dresses up compact practicality in a premium suit, with crisp tech and city-friendly manners, while the Skoda Kodiaq goes full-on family hauler, offering cavernous space and sensible value. Choose the GLB for style and badge appeal; pick the Kodiaq if you need seats, luggage and a …
Mercedes GLB
Tesla Model 3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £31,700
Model 3

Tesla Model 3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Rear-Wheel Drive
  • Power HP : 283 - 460 HP
  • Consumption kWh/100km : 13 - 16.7 kWh
  • Electric Range : 534 - 750 km
details

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.

details
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Tesla Model 3

3.8 (4 Reviews)
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The Tesla Model 3 slices through daily commuting with a silent, confident shove that makes petrolheads reassess their life choices, while its minimalist cabin feels more like a slick gadget gallery than a traditional car interior. For buyers after a fuss-free, tech-forward electric with plenty of grin factor and low running drama, it’s hard to beat—just don't be surprised when the car updates itself overnight.

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Reviews Mercedes GLB

3.2 (3 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

Reviews Tesla Model 3

3.8 (4 Reviews)
rate
dino999
18 Nov 2025, 08:47:05

I wanted to give 0 stars but you can't — unfortunately, it sucks.

Mercedes GLB
Tesla Model 3

Costs and Consumption
Price
50600 - 62400 £
Price
31700 - 50100 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.8 - 15.9 kWh
Consumption kWh/100km
13 - 16.7 kWh
Electric Range
614 - 631 km
Electric Range
534 - 750 km
Battery Capacity
-
Battery Capacity
83 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
4
Curb weight
2200 - 2280 kg
Curb weight
1772 - 1929 kg
Trunk capacity
540 L
Trunk capacity
594 L
Length
-
Length
4724 mm
Width
1861 mm
Width
1850 mm
Height
-
Height
1431 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
500 kg
Payload
303 - 377 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
283 - 460 HP
Acceleration 0-100km/h
5.5 - 7.4 s
Acceleration 0-100km/h
3.1 - 6.2 s
Max Speed
-
Max Speed
262 km/h
Torque
335 - 515 Nm
Torque
420 - 660 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
200 - 260 kW
Power kW
208 - 338 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
Tesla

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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.