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BMW 8 Series Convertible vs BYD Dolphin comparison

Compare performance (625 HP vs 204 HP), boot space and price (99,400 £ vs 29,700 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or BYD Dolphin?

BMW 8 Series Convertible vs BYD Dolphin: Key differences

BMW 8 Series Convertible

  • substantially more power
  • considerably quicker 0–100 km/h
  • very slightly more trunk space
details

BYD Dolphin

4 (4 Reviews)
rate
  • significantly cheaper
  • slightly lighter
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

8 Series Convertible

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.

BYD Dolphin is significantly cheaper – starting at 29,700 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 69,737 £.

Dolphin

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 8 Series Convertible offers substantially more power – delivering 625 HP compared to 204 HP. That’s roughly 421 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is considerably quicker – completing the sprint in 3.3 s, while the BYD Dolphin takes 7 s. That’s about 3.7 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers substantially more torque with 750 Nm compared to 310 Nm. That’s about 440 Nm more.

8 Series Convertible

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 Dolphin offers more seats – 5 vs 4.

In terms of curb weight, BYD Dolphin is slightly lighter – 1,658 kg compared to 1,915 kg. The difference is around 257 kg.

Looking at boot space, the BMW 8 Series Convertible offers very slightly more boot space – 350 L compared to 345 L. That’s a difference of about 5 L.

When it comes to payload, the BMW 8 Series Convertible carries only slightly more – 425 kg compared to 410 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The BYD Dolphin is clearly 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 £29,700
Dolphin

BYD Dolphin

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 204 HP
  • Consumption kWh/100km 15.9 kWh/100km
  • Electric Range 427 km
details

Frequently compared as well

BYD Dolphin
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The BYD Dolphin and BYD Atto 2 represent two distinct EV choices from BYD: the Dolphin is a compact, city-oriented hatchback focused on efficiency and nimble urban driving, while the Atto 2 is a compact crossover offering more space, a higher driving position and richer tech. Choose the Dolphin for …
BYD Dolphin
BYD Dolphin Surf
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The BYD Dolphin and the sportier Dolphin Surf share the same efficient electric bones, but the Surf adds visual muscle, slightly firmer suspension and sharper steering for anyone craving a bit more attitude. Inside they’re twins — clever packaging, roomy rear seats and a useful boot — so the Surf’s …
BMW 8 Series Convertible
BYD Dolphin

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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Reviews BMW 8 Series Convertible

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

BYD Dolphin

The BYD Dolphin is a cheeky electric hatchback that blends playful styling with surprising practicality, making it a brilliant city companion for buyers who want modern tech without the showroom bravado. It’s comfy, efficient and easy to live with, and while it won’t blind you with supercar drama, it will quietly get the job done with plenty of character.

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Reviews BYD Dolphin

4 (4 Reviews)
rate
Mark Kennedy
12 Apr 2026, 17:25:08

Absolute gem of a car, wonderfully smooth and powerful, along with being loaded with tech. By far the best car I've had. Would highly recommend

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
John Maskell
3 Jan 2026, 07:26:24

Loving the dolphin

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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BYD Dolphin
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If you want no-nonsense electric practicality and impressive value for daily miles, the BYD Dolphin delivers usable range, clever packaging and tech that actually matters without breaking the bank. The Renault 5, meanwhile, sacrifices a little practicality for irresistible retro charm and …
BMW 8 Series Convertible
BYD Dolphin

Costs and Consumption
Price
99,400 - 165,800 £
Price
29,700 - 31,400 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.9 kWh/100km
Electric Range
-
Electric Range
427 km
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
0 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
1,658 kg
Trunk capacity
350 L
Trunk capacity
345 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,770 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
410 kg

Engine and Performance
Engine Type
Diesel MHEV, 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
Front-Wheel Drive
Power HP
333 - 625 HP
Power HP
204 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
7 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
310 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
245 - 460 kW
Power kW
150 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
-

General
Model Year
2024
Model Year
2023
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
BMW
Brand
BYD
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.