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Mercedes B Class vs Vauxhall Astra comparison

Compare performance (238 HP vs 196 HP), boot space and price (33,100 £ vs 28,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or Vauxhall Astra?

Mercedes B Class vs Vauxhall Astra: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • moderately more power
  • moderately quicker 0–100 km/h
  • barely lighter
  • barely more trunk space
details

Vauxhall Astra

4.6 (2 Reviews)
rate
  • moderately cheaper
  • clearly more efficient
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

B Class

Costs and Efficiency:

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

Vauxhall Astra is moderately cheaper – starting at 28,300 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 4,852 £.

Fuel consumption also shows a difference: the Vauxhall Astra uses 2.2 L/100km and is clearly more efficient than the Mercedes B Class with 5.1 L/100km. The difference is about 2.9 L/100km.

Astra

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 B Class offers moderately more power – delivering 238 HP compared to 196 HP. That’s roughly 42 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is moderately quicker – completing the sprint in 6.5 s, while the Vauxhall Astra takes 7.6 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers barely more torque with 400 Nm compared to 360 Nm. That’s about 40 Nm more.

B Class

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 terms of curb weight, Mercedes B Class is barely lighter – 1,405 kg compared to 1,438 kg. The difference is around 33 kg.

Looking at boot space, the Mercedes B Class offers barely more boot space – 455 L compared to 422 L. That’s a difference of about 33 L.

When it comes to payload, the Mercedes B Class carries marginally more – 550 kg compared to 502 kg. That’s a difference of about 48 kg.

Who wins the race in the data check?

The Vauxhall Astra is clearly superior overall 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.

from £28,300
Astra

Vauxhall Astra

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel, Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 130 - 196 HP
  • Consumption L/100km 2.2 - 4.9 L/100km
  • Consumption kWh/100km 15.3 kWh/100km
  • Electric Range 84 - 454 km
details

Frequently compared as well

Mercedes B Class
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Mercedes B Class
Vauxhall Astra

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

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18C0947_009
18C0953_005
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Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Vauxhall Astra

The Opel Astra strikes a neat balance between everyday practicality and engaging handling, so the daily grind suddenly feels a bit less dull. Inside it's intelligently packaged with modern kit and comfortable seating, making it a very sensible pick for buyers who want a dependable hatchback that doesn't take itself too seriously.

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01_Opel-Astra-518263
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24_Opel-Astra-518297

Reviews Vauxhall Astra

4.6 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

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Mercedes B Class
Vauxhall Astra

Costs and Consumption
Price
33,100 - 52,500 £
Price
28,300 - 37,900 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
2.2 - 4.9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.3 kWh/100km
Electric Range
-
Electric Range
84 - 454 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
0 - 130 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
1,438 - 1,733 kg
Trunk capacity
445 - 455 L
Trunk capacity
310 - 422 L
Length
-
Length
-
Width
1,796 mm
Width
1,859 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
438 - 502 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
130 - 196 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
7.6 - 10.6 s
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
230 - 360 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
85 - 175 kW
Power kW
96 - 144 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
C, B, D, A
Brand
Mercedes-Benz
Brand
Vauxhall
What drivetrain options does the Mercedes B Class have?

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

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.