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BMW 8 Series Convertible vs Vauxhall Astra comparison

Compare performance (625 HP vs 196 HP), boot space and price (99,400 £ vs 28,300 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Vauxhall Astra?

BMW 8 Series Convertible vs Vauxhall Astra: Key differences

BMW 8 Series Convertible

  • substantially more power
  • substantially quicker 0–100 km/h
details

Vauxhall Astra

4.6 (2 Reviews)
rate
  • significantly cheaper
  • significantly more efficient
  • markedly lighter
  • moderately more trunk space
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By Achim Sedelmaier

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

8 Series Convertible

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Vauxhall Astra is significantly cheaper – starting at 28,300 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 71,151 £.

Fuel consumption also shows a difference: the Vauxhall Astra uses 2.2 L/100km and is significantly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 4.7 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 BMW 8 Series Convertible offers substantially more power – delivering 625 HP compared to 196 HP. That’s roughly 429 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is substantially quicker – completing the sprint in 3.3 s, while the Vauxhall Astra takes 7.6 s. That’s about 4.3 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers considerably more torque with 750 Nm compared to 360 Nm. That’s about 390 Nm more.

8 Series Convertible

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.

Seats: Vauxhall Astra offers more seats – 5 vs 4.

In terms of curb weight, Vauxhall Astra is markedly lighter – 1,438 kg compared to 1,915 kg. The difference is around 477 kg.

Looking at boot space, the Vauxhall Astra offers moderately more boot space – 422 L compared to 350 L. That’s a difference of about 72 L.

When it comes to payload, the Vauxhall Astra carries somewhat more – 502 kg compared to 425 kg. That’s a difference of about 77 kg.

Who wins the race in the data check?

The Vauxhall Astra holds a decisive overall lead 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
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Frequently compared as well

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BMW 8 Series Convertible
Vauxhall Astra

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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P90343983_highRes_the-new-bmw-m850i-xd
P90343979_highRes_the-new-bmw-m850i-xd

Reviews BMW 8 Series Convertible

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

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
05_Opel-Astra-518267
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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BMW 8 Series Convertible
Vauxhall Astra

Costs and Consumption
Price
99,400 - 165,800 £
Price
28,300 - 37,900 £
Consumption L/100km
6.9 - 11.2 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
180 - 255 g/km
co2
0 - 130 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Hatchback
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,438 - 1,733 kg
Trunk capacity
350 L
Trunk capacity
310 - 422 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,859 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
438 - 502 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
333 - 625 HP
Power HP
130 - 196 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
7.6 - 10.6 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
230 - 360 Nm
Number of Cylinders
6 - 8
Number of Cylinders
3 - 4
Power kW
245 - 460 kW
Power kW
96 - 144 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2024
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
C, B, D, A
Brand
BMW
Brand
Vauxhall
What drivetrain options does the BMW 8 Series Convertible have?

Available configurations include All-Wheel Drive or Rear-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.