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BYD Seal vs Mercedes GLB - Differences and prices compared

Compare performance (530 HP vs 320 HP), boot space and price (40300 £ vs 40500 £ ) at a glance. Find out which car is the better choice for you – BYD Seal or Mercedes GLB?

BYD Seal

Mercedes GLB

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

Seal

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.

BYD Seal has a hardly perceptible advantage in terms of price – it starts at 40300 £ , while the Mercedes GLB costs 40500 £ . That’s a price difference of around 232 £.

GLB

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 BYD Seal has a clearly perceptible edge – offering 530 HP compared to 320 HP. That’s roughly 210 HP more horsepower.

In acceleration from 0 to 100 km/h, the BYD Seal is significantly quicker – completing the sprint in 3.80 s, while the Mercedes GLB takes 5.50 s. That’s about 1.70 s faster.

In terms of top speed, the Mercedes GLB performs clearly perceptible better – reaching 250 km/h, while the BYD Seal tops out at 180 km/h. The difference is around 70 km/h.

There’s also a difference in torque: BYD Seal pulls decisively stronger with 670 Nm compared to 400 Nm. That’s about 270 Nm difference.

Seal

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 somewhat lighter – 1640 kg compared to 1907 kg. The difference is around 267 kg.

In terms of boot space, the Mercedes GLB offers noticeable more room – 570 L compared to 400 L. That’s a difference of about 170 L.

When it comes to payload, Mercedes GLB minimal takes the win – 500 kg compared to 473 kg. That’s a difference of about 27 kg.

Who wins the race?

The BYD Seal proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
BYD Seal is the better all-rounder in this comparison.

from about £40,300
Seal

BYD Seal

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 231 - 530 HP
  • Consumption kWh/100km : 15.4 - 18.2 kWh
  • Electric Range : 460 - 570 km
BYD Seal
Mercedes GLB

Costs and Consumption

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Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BYD Seal

The BYD Seal is a sleek electric fastback that punches above its class with sporty looks and a surprisingly premium cabin, offering a very modern alternative for buyers who want style and substance without the badge snobbery. On the road it feels composed and eager, packed with tech and everyday practicality—ideal for shoppers after eco-friendly performance with a cheeky wink.

details

Mercedes GLB

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
BYD Seal
Mercedes GLB

Costs and Consumption

Price
40300 - 45400 £
Price
40500 - 65300 £
Consumption L/100km
-
Consumption L/100km
5.6 - 9 L
Consumption kWh/100km
15.4 - 18.2 kWh
Consumption kWh/100km
-
Electric Range
460 - 570 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
146 - 204 g/km
Fuel tank capacity
-
Fuel tank capacity
52 - 60 L

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
5
Curb weight
1907 - 2185 kg
Curb weight
1640 - 1820 kg
Trunk capacity
400 L
Trunk capacity
565 - 570 L
Length
4800 mm
Length
4634 - 4650 mm
Width
1875 mm
Width
1834 - 1850 mm
Height
1460 mm
Height
1665 - 1692 mm
Max trunk capacity
-
Max trunk capacity
1800 - 1805 L
Payload
446 - 473 kg
Payload
500 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
231 - 530 HP
Power HP
116 - 320 HP
Acceleration 0-100km/h
3.8 - 7.5 s
Acceleration 0-100km/h
5.5 - 11.5 s
Max Speed
180 km/h
Max Speed
188 - 250 km/h
Torque
360 - 670 Nm
Torque
230 - 400 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
170 - 390 kW
Power kW
85 - 235 kW
Engine capacity
-
Engine capacity
1332 - 1991 cm3

General

Model Year
2023 - 2025
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, F, G
Brand
BYD
Brand
Mercedes-Benz
What drive types are available for the BYD Seal?

The BYD Seal is available as 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.