Compare performance (354 HP vs 196 HP), boot space and price (43,200 £ vs 30,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLB or Vauxhall Astra Sports Tourer?
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
Looking at overall running costs, both models reveal some interesting differences in everyday economy.
Vauxhall Astra Sports Tourer is considerably cheaper – starting at 30,000 £ , while the Mercedes GLB costs 43,200 £ . That’s a price difference of around 13,206 £.
Fuel consumption also shows a difference: the Vauxhall Astra Sports Tourer uses 2.3 L/100km and is substantially more efficient than the Mercedes GLB with 5.7 L/100km. The difference is about 3.4 L/100km.
In terms of energy consumption, the Mercedes GLB is barely more efficient: consuming 15.4 kWh/100km compared to 15.6 kWh/100km for the Vauxhall Astra Sports Tourer. That’s a difference of about 0.2 kWh/100km.
As for electric range, the Mercedes GLB offers noticeably more range – reaching up to 631 km, about 186 km more than the Vauxhall Astra Sports Tourer.
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 Mercedes GLB offers considerably more power – delivering 354 HP compared to 196 HP. That’s roughly 158 HP more horsepower.
When accelerating from 0 to 100 km/h, the Mercedes GLB is markedly quicker – completing the sprint in 5.5 s, while the Vauxhall Astra Sports Tourer takes 7.7 s. That’s about 2.2 s quicker.
There’s also a difference in torque: the Mercedes GLB delivers clearly more torque with 515 Nm compared to 360 Nm. That’s about 155 Nm more.
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 terms of curb weight, Vauxhall Astra Sports Tourer is noticeably lighter – 1,438 kg compared to 1,840 kg. The difference is around 402 kg.
Looking at boot space, the Vauxhall Astra Sports Tourer offers marginally more boot space – 597 L compared to 540 L. That’s a difference of about 57 L.
When it comes to payload, the Mercedes GLB carries marginally more – 505 kg compared to 502 kg. That’s a difference of about 3 kg.
The Vauxhall Astra Sports Tourer comes out clearly 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 Opel Astra Sports Tourer blends family-friendly practicality with a sleek, grown-up wagon silhouette that manages to be both useful and unexpectedly stylish. It’s an easy car to live with — comfortable, well put together and clever with space — a sensible choice for buyers who want everyday versatility without fuss.
detailsCosts and Consumption |
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|---|---|
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Price
43,200 - 62,400 £
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Price
30,000 - 39,600 £
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Consumption L/100km
5.7 - 6.1 L/100km
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Consumption L/100km
2.3 - 5 L/100km
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Consumption kWh/100km
15.4 - 15.9 kWh/100km
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Consumption kWh/100km
15.6 kWh/100km
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Electric Range
431 - 631 km
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Electric Range
83 - 445 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 - 132 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
Estate
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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
1,438 - 1,765 kg
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Trunk capacity
540 L
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Trunk capacity
466 - 597 L
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Length
-
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Length
-
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Width
1,861 mm
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Width
1,859 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
434 - 502 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
Petrol MHEV, Plug-in Hybrid, Diesel, 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
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
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Drive Type
Rear-Wheel Drive, All-Wheel Drive
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Drive Type
Front-Wheel Drive
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Power HP
156 - 354 HP
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Power HP
130 - 196 HP
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Acceleration 0-100km/h
5.5 - 9.7 s
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Acceleration 0-100km/h
7.7 - 10.6 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
230 - 360 Nm
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Number of Cylinders
4
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Number of Cylinders
3 - 4
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Power kW
115 - 260 kW
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Power kW
96 - 144 kW
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Engine capacity
1,499 cm3
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Engine capacity
1,199 - 1,598 cm3
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General |
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|---|---|
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Model Year
2026
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Model Year
2026
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CO2 Efficiency Class
A, D, E
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CO2 Efficiency Class
C, B, D, A
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Brand
Mercedes-Benz
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Brand
Vauxhall
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