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Mercedes GLB vs SEAT Arona – Which car suits you better?

Everyday use, family trips or long-distance drives – here’s where the differences show.
Discover whether Mercedes GLB or SEAT Arona fits your lifestyle better.

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

GLB @ group-media.mercedes-benz.com

Costs and Efficiency:

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

SEAT Arona has a convincingly advantage in terms of price – it starts at 19300 £, while the Mercedes GLB costs 40500 £. That’s a price difference of around 21207 £.

Fuel consumption also shows a difference: SEAT Arona manages with 5.40 L and is therefore slight more efficient than the Mercedes GLB with 5.60 L. The difference is about 0.20 L per 100 km.

Arona @ seat-mediacenter.de

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 Mercedes GLB has a decisively edge – offering 320 HP compared to 150 HP. That’s roughly 170 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLB is convincingly quicker – completing the sprint in 5.50 s, while the SEAT Arona takes 8.40 s. That’s about 2.90 s faster.

In terms of top speed, the Mercedes GLB performs a bit better – reaching 250 km/h, while the SEAT Arona tops out at 210 km/h. The difference is around 40 km/h.

There’s also a difference in torque: Mercedes GLB pulls evident stronger with 400 Nm compared to 250 Nm. That’s about 150 Nm difference.

GLB @ group-media.mercedes-benz.com

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.

Both vehicles offer seating for 5 people.

In curb weight, SEAT Arona is clearly perceptible lighter – 1188 kg compared to 1640 kg. The difference is around 452 kg.

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

In maximum load capacity, the Mercedes GLB performs distinct better – up to 1805 L, which is about 525 L more than the SEAT Arona.

When it comes to payload, SEAT Arona minimal takes the win – 522 kg compared to 500 kg. That’s a difference of about 22 kg.

Who wins the race?

The Mercedes GLB proves to be is largely superior and therefore becomes our DriveDuel Champion!
Mercedes GLB is the better all-rounder in this comparison.

from about £40,500
19C0853_001

Mercedes GLB

  • Engine Type : Petrol MHEV, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 320 HP
  • Consumption L/100km : 5.6 - 9 L
details

Mercedes GLB

The Mercedes-Benz GLB exudes a robust yet sophisticated presence, combining the versatility of an SUV with the elegance the brand is renowned for. Its spacious interior is thoughtfully designed to accommodate modern lifestyles, offering flexibility and comfort for both drivers and passengers. With advanced technology seamlessly integrated throughout, the GLB ensures a driving experience that is both dynamic and intuitive.

details
19C0853_001 @ group-media.mercedes-benz.com
19C0853_003 @ group-media.mercedes-benz.com
19C0853_015 @ group-media.mercedes-benz.com
19C0853_069 @ group-media.mercedes-benz.com
19C0797_007 @ group-media.mercedes-benz.com

SEAT Arona

The SEAT Arona is a stylish compact SUV that blends urban agility with a robust design, making it an ideal choice for city dwellers and adventure seekers alike. Inside, it offers a well-crafted interior with modern technology and connectivity features that enhance the driving experience. With its efficient engine options and responsive handling, the Arona provides a dynamic ride while maintaining impressive fuel efficiency.

details
seat-arona-One-car-countless-possibilities_07_HQ @ seat-mediacenter.de
seat-arona-One-car-countless-possibilities_06_HQ @ seat-mediacenter.de
seat-arona-One-car-countless-possibilities_04_HQ @ seat-mediacenter.de
seat-arona-One-car-countless-possibilities_02_HQ @ seat-mediacenter.de

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Costs and Consumption
Price
40500 - 65300 £
Price
19300 - 29300 £
Consumption L/100km
5.6 - 9 L
Consumption L/100km
5.4 - 5.6 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
146 - 204 g/km
co2
122 - 128 g/km
Fuel tank capacity
52 - 60 L
Fuel tank capacity
40 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1640 - 1820 kg
Curb weight
1188 - 1268 kg
Trunk capacity
565 - 570 L
Trunk capacity
400 L
Length
4634 - 4650 mm
Length
4153 mm
Width
1834 - 1850 mm
Width
1780 mm
Height
1665 - 1692 mm
Height
1537 mm
Max trunk capacity
1800 - 1805 L
Max trunk capacity
1280 L
Payload
500 kg
Payload
502 - 522 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 320 HP
Power HP
95 - 150 HP
Acceleration 0-100km/h
5.5 - 11.5 s
Acceleration 0-100km/h
8.4 - 11.3 s
Max Speed
188 - 250 km/h
Max Speed
182 - 210 km/h
Torque
230 - 400 Nm
Torque
175 - 250 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
85 - 235 kW
Power kW
70 - 110 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
999 - 1498 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
D
Brand
Mercedes-Benz
Brand
SEAT

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What drivetrain options does the Mercedes GLB have?

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

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.