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BYD Atto 3 vs Porsche 911 Convertible comparison

Compare performance (449 HP vs 711 HP), boot space and price (38,600 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – BYD Atto 3 or Porsche 911 Convertible?

BYD Atto 3 vs Porsche 911 Convertible: Key differences

BYD Atto 3

4.7 (3 Reviews)
rate
  • clearly cheaper
  • markedly more trunk space
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Porsche 911 Convertible

  • markedly more power
  • substantially quicker 0–100 km/h
  • a bit lighter
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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

Atto 3

Costs and Efficiency:

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

BYD Atto 3 is clearly cheaper – starting at 38,600 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 99,438 £.

911 Convertible

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 Porsche 911 Convertible offers markedly more power – delivering 711 HP compared to 449 HP. That’s roughly 262 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is substantially quicker – completing the sprint in 2.6 s, while the BYD Atto 3 takes 3.9 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers markedly more torque with 800 Nm compared to 560 Nm. That’s about 240 Nm more.

Atto 3

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: BYD Atto 3 offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is a bit lighter – 1,572 kg compared to 1,880 kg. The difference is around 308 kg.

Looking at boot space, the BYD Atto 3 offers markedly more boot space – 490 L compared to 373 L. That’s a difference of about 117 L.

When it comes to payload, the BYD Atto 3 carries clearly more – 530 kg compared to 345 kg. That’s a difference of about 185 kg.

Who wins the race in the data check?

The BYD Atto 3 is decisively ahead 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
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Frequently compared as well

BYD Atto 3
BYD Atto 2
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BYD Atto 3
MG MGS5 EV
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BYD Atto 3
Porsche 911 Convertible

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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4CD0D607-8DF0-480E-92A0-FFE2DD0C2A7D
A4BCEC5F-F54A-4C81-8C3B-2C7767DF6D72
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Reviews BYD Atto 3

4.7 (3 Reviews)
rate
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

Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Reviews Porsche 911 Convertible

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

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BYD Atto 3
Porsche 911 Convertible

Costs and Consumption
Price
38,600 - 43,700 £
Price
138,000 - 244,500 £
Consumption L/100km
-
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
16.4 - 17.8 kWh/100km
Consumption kWh/100km
-
Electric Range
470 - 510 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Convertible
Seats
5
Seats
2 - 4
Doors
-
Doors
-
Curb weight
1,880 - 1,990 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
490 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,875 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
530 kg
Payload
195 - 345 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
313 - 449 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.9 - 5.5 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
380 - 560 Nm
Torque
450 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
230 - 330 kW
Power kW
290 - 523 kW
Engine capacity
-
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2026
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
BYD
Brand
Porsche
Is the BYD Atto 3 offered with different drivetrains?

The BYD Atto 3 is offered with Rear-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.