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Alfa Romeo Giulia vs BMW Z4 – Performance, range & efficiency compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Alfa Romeo Giulia or BMW Z4?

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

Giulia @ media.stellantis.com

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BMW Z4 has a to a small extent advantage in terms of price – it starts at 43500 £, while the Alfa Romeo Giulia costs 48000 £. That’s a price difference of around 4543 £.

Fuel consumption also shows a difference: Alfa Romeo Giulia manages with 5.40 L and is therefore evident more efficient than the BMW Z4 with 6.90 L. The difference is about 1.50 L per 100 km.

Z4 @ press.bmwgroup.com

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 has a distinct edge – offering 340 HP compared to 210 HP. That’s roughly 130 HP more horsepower.

In acceleration from 0 to 100 km/h, the BMW Z4 is clearly quicker – completing the sprint in 4.50 s, while the Alfa Romeo Giulia takes 6.80 s. That’s about 2.30 s faster.

In terms of top speed, the BMW Z4 performs slight better – reaching 250 km/h, while the Alfa Romeo Giulia tops out at 235 km/h. The difference is around 15 km/h.

There’s also a difference in torque: BMW Z4 pulls barely noticeable stronger with 500 Nm compared to 470 Nm. That’s about 30 Nm difference.

Giulia @ media.stellantis.com

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Alfa Romeo Giulia offers convincingly more seating capacity – 5 vs 2.

In curb weight, BMW Z4 is slight lighter – 1510 kg compared to 1640 kg. The difference is around 130 kg.

In terms of boot space, the Alfa Romeo Giulia offers clearly more room – 480 L compared to 281 L. That’s a difference of about 199 L.

When it comes to payload, Alfa Romeo Giulia clearly takes the win – 535 kg compared to 235 kg. That’s a difference of about 300 kg.

Who wins the race?

The BMW Z4 proves to be barely ahead and therefore becomes our DriveDuel Champion!
BMW Z4 is the better all-rounder in this comparison.

from about £43,500
P90479448_highRes_bmw-z4-m40i-09-2022

BMW Z4

  • Engine Type : Petrol
  • Transmission : Manuel, Automatic
  • Drive Type : Rear-Wheel Drive
  • Power HP : 197 - 340 HP
  • Consumption L/100km : 6.9 - 8.5 L

Alfa Romeo Giulia

The Alfa Romeo Giulia captivates with its stunning Italian design and dynamic performance, representing a perfect blend of elegance and sportiness. Its engaging driving experience, characterised by precise handling and responsive steering, appeals to enthusiasts who crave the thrill of the road. Inside, the Giulia showcases a beautifully crafted interior that combines luxury with cutting-edge technology, making every journey a delight.

details

BMW Z4

The BMW Z4 is an elegant roadster that combines dynamic performance with a sleek design. Its stylish exterior features bold lines and a retractable soft top, offering an exhilarating open-air driving experience. Inside, the Z4 is equipped with a luxurious cabin filled with premium materials and cutting-edge technology, ensuring both comfort and connectivity on every journey.

details
Alfa Romeo Giulia
BMW Z4
Giulia
Z4

Costs and Consumption

Price
48000 - 57000 £
Price
43500 - 65300 £
Consumption L/100km
5.40 L
Consumption L/100km
6.9 - 8.5 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
141 g/km
co2
157 - 191 g/km
Fuel tank capacity
58 L
Fuel tank capacity
52 L

Dimensions and Body

Body Type
Sedan
Body Type
Roadster
Seats
5
Seats
2
Doors
4
Doors
2
Curb weight
1640 kg
Curb weight
1510 - 1640 kg
Trunk capacity
480 L
Trunk capacity
281 L
Length
4650 mm
Length
4324 mm
Width
1860 mm
Width
1864 mm
Height
1438 mm
Height
1303 - 1304 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
535 kg
Payload
215 - 235 kg

Engine and Performance

Engine Type
Diesel
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
210 HP
Power HP
197 - 340 HP
Acceleration 0-100km/h
6.80 s
Acceleration 0-100km/h
4.5 - 6.8 s
Max Speed
235 km/h
Max Speed
240 - 250 km/h
Torque
470 Nm
Torque
320 - 500 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
154 kW
Power kW
145 - 250 kW
Engine capacity
2143 cm3
Engine capacity
1998 - 2998 cm3

General

Model Year
2024 - 2025
Model Year
2024
CO2 Efficiency Class
E
CO2 Efficiency Class
F, G
Brand
Alfa Romeo
Brand
BMW
Is the Alfa Romeo Giulia offered with different drivetrains?

Available configurations include 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.