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Alfa Romeo Giulia vs BYD Atto 3 comparison

Compare performance (520 HP vs 449 HP), boot space and price (48,000 £ vs 38,600 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or BYD Atto 3?

Alfa Romeo Giulia vs BYD Atto 3: Key differences

Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • slightly more power
  • a bit lighter
details

BYD Atto 3

4.1 (7 Reviews)
rate
  • clearly cheaper
  • very slightly 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

Giulia

Costs and Efficiency:

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

BYD Atto 3 is clearly cheaper – starting at 38,600 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 9,438 £.

Atto 3

Engine and Performance:

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 Alfa Romeo Giulia offers slightly more power – delivering 520 HP compared to 449 HP. That’s roughly 71 HP more horsepower.

Both models accelerate almost equally fast – 3.9 s from 0 to 100 km/h.

There’s also a difference in torque: the Alfa Romeo Giulia delivers barely more torque with 600 Nm compared to 560 Nm. That’s about 40 Nm more.

Giulia

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Alfa Romeo Giulia is a bit lighter – 1,640 kg compared to 1,880 kg. The difference is around 240 kg.

Looking at boot space, the BYD Atto 3 offers very slightly more boot space – 490 L compared to 480 L. That’s a difference of about 10 L.

When it comes to payload, the Alfa Romeo Giulia carries barely more – 535 kg compared to 530 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The BYD Atto 3 is far ahead 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 £38,600
Atto 3

BYD Atto 3

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 313 - 449 HP
  • Consumption kWh/100km 16.4 - 17.8 kWh/100km
  • Electric Range 470 - 510 km
details

Frequently compared as well

BYD Atto 3
BYD Atto 2
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Choosing between the BYD Atto 3 and BYD Atto 2 comes down to whether you need more range, space and performance or a smaller, more affordable city EV. The Atto 3 delivers stronger power, longer driving range and more interior room, while the Atto 2 focuses on compact dimensions, efficiency and …
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Ford Explorer EV
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Alfa Romeo Giulia
BYD Atto 3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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.

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Reviews Alfa Romeo Giulia

4.1 (2 Reviews)
rate

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

BYD Atto 3

The BYD Atto 3 is an electric crossover that blends a distinctive, modern design with a comfortable, well-equipped cabin suited to everyday family use. It offers a relaxed, smooth driving feel and practical running costs, making it a sensible choice if you want an uncomplicated, value-focused EV.

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A4BCEC5F-F54A-4C81-8C3B-2C7767DF6D72
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AD877C78-5875-44DA-B1B6-1E99A05AC058

Reviews BYD Atto 3

4.1 (7 Reviews)
rate
Marinos manolessos
21 Jun 2026, 19:22:18

More quicker better price better equipped rwd move

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
BERNARD
17 Apr 2026, 12:36:55

It seems to better meet my expectations when it comes to fuel economy and overall efficiency.

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

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Alfa Romeo Giulia
BYD Atto 3

Costs and Consumption
Price
48,000 - 88,300 £
Price
38,600 - 43,700 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.4 - 17.8 kWh/100km
Electric Range
-
Electric Range
470 - 510 km
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
4 - 5
Seats
5
Doors
-
Doors
-
Curb weight
1,640 - 1,735 kg
Curb weight
1,880 - 1,990 kg
Trunk capacity
480 L
Trunk capacity
490 L
Length
-
Length
-
Width
1,860 - 1,874 mm
Width
1,875 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 535 kg
Payload
530 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
210 - 520 HP
Power HP
313 - 449 HP
Acceleration 0-100km/h
3.9 - 6.8 s
Acceleration 0-100km/h
3.9 - 5.5 s
Max Speed
-
Max Speed
-
Torque
470 - 600 Nm
Torque
380 - 560 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
154 - 382 kW
Power kW
230 - 330 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2026
CO2 Efficiency Class
E, G
CO2 Efficiency Class
A
Brand
Alfa Romeo
Brand
BYD
Is the Alfa Romeo Giulia offered with different drivetrains?

The Alfa Romeo Giulia is offered with 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.