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BMW Z4 vs Vauxhall Astra comparison

Compare performance (340 HP vs 196 HP), boot space and price (43,500 £ vs 28,300 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Vauxhall Astra?

BMW Z4 vs Vauxhall Astra: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • considerably more power
  • considerably quicker 0–100 km/h
details

Vauxhall Astra

4.6 (2 Reviews)
rate
  • significantly cheaper
  • substantially more efficient
  • very slightly lighter
  • markedly more trunk space
details

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

Z4

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.

Vauxhall Astra is significantly cheaper – starting at 28,300 £ , while the BMW Z4 costs 43,500 £ . That’s a price difference of around 15,180 £.

Fuel consumption also shows a difference: the Vauxhall Astra uses 2.2 L/100km and is substantially more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 4.7 L/100km.

Astra

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BMW Z4 offers considerably more power – delivering 340 HP compared to 196 HP. That’s roughly 144 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW Z4 is considerably quicker – completing the sprint in 4.5 s, while the Vauxhall Astra takes 7.6 s. That’s about 3.1 s quicker.

There’s also a difference in torque: the BMW Z4 delivers markedly more torque with 500 Nm compared to 360 Nm. That’s about 140 Nm more.

Z4

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Vauxhall Astra offers more seats – 5 vs 2.

In terms of curb weight, Vauxhall Astra is very slightly lighter – 1,438 kg compared to 1,510 kg. The difference is around 72 kg.

Looking at boot space, the Vauxhall Astra offers markedly more boot space – 422 L compared to 281 L. That’s a difference of about 141 L.

When it comes to payload, the Vauxhall Astra carries substantially more – 502 kg compared to 235 kg. That’s a difference of about 267 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

Opel Astra
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VS
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BMW Z4
Vauxhall Astra

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW Z4

The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

details
P90479448_highRes_bmw-z4-m40i-09-2022
P90479454_highRes_bmw-z4-m40i-09-2022
P90479457_highRes_bmw-z4-m40i-09-2022
P90479470_highRes_bmw-z4-m40i-09-2022
P90479471_highRes_bmw-z4-m40i-09-2022

Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

How do you mainly use this car? (optional): Leisure / Weekend driver
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.

details
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 Z4
Vauxhall Astra

Costs and Consumption
Price
43,500 - 65,300 £
Price
28,300 - 37,900 £
Consumption L/100km
6.9 - 8.5 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
157 - 191 g/km
co2
0 - 130 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,510 - 1,640 kg
Curb weight
1,438 - 1,733 kg
Trunk capacity
281 L
Trunk capacity
310 - 422 L
Length
-
Length
-
Width
1,864 mm
Width
1,859 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
438 - 502 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
197 - 340 HP
Power HP
130 - 196 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
7.6 - 10.6 s
Max Speed
-
Max Speed
-
Torque
320 - 500 Nm
Torque
230 - 360 Nm
Number of Cylinders
4 - 6
Number of Cylinders
3 - 4
Power kW
145 - 250 kW
Power kW
96 - 144 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
F, G
CO2 Efficiency Class
C, B, D, A
Brand
BMW
Brand
Vauxhall
Is the BMW Z4 offered with different drivetrains?

The BMW Z4 is available as 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.