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BMW Z4 vs BYD Dolphin comparison

Compare performance (340 HP vs 204 HP), boot space and price (43,500 £ vs 29,700 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or BYD Dolphin?

BMW Z4 vs BYD Dolphin: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • clearly more power
  • substantially quicker 0–100 km/h
  • very slightly lighter
details

BYD Dolphin

4 (4 Reviews)
rate
  • considerably cheaper
  • 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.

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

Z4

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BYD Dolphin is considerably cheaper – starting at 29,700 £ , while the BMW Z4 costs 43,500 £ . That’s a price difference of around 13,766 £.

Dolphin

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BMW Z4 offers clearly more power – delivering 340 HP compared to 204 HP. That’s roughly 136 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW Z4 is substantially quicker – completing the sprint in 4.5 s, while the BYD Dolphin takes 7 s. That’s about 2.5 s quicker.

There’s also a difference in torque: the BMW Z4 delivers noticeably more torque with 500 Nm compared to 310 Nm. That’s about 190 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: BYD Dolphin offers more seats – 5 vs 2.

In terms of curb weight, BMW Z4 is very slightly lighter – 1,510 kg compared to 1,658 kg. The difference is around 148 kg.

Looking at boot space, the BYD Dolphin offers slightly more boot space – 345 L compared to 281 L. That’s a difference of about 64 L.

When it comes to payload, the BYD Dolphin carries clearly more – 410 kg compared to 235 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The BYD Dolphin stands well ahead of its rival 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
BYD Dolphin Surf
VS
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 …
BYD Dolphin
BYD Atto 2
VS
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 …
BMW Z4
BYD Dolphin

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

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.

details
E3343F48-6402-43F6-BA2F-1FB1F8EFCE7F
000AECC3-AF0F-42E4-A606-040E7FB88B81
0344F0B7-DD22-4EE0-9220-311A496628F6

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

Frequently compared as well

BYD Dolphin
VW ID.3
VS
Comparing the BYD Dolphin and the Volkswagen ID.3 gives a clear picture of two distinct approaches to compact electric hatchbacks: the Dolphin emphasizes value, efficiency and clever packaging, while the ID.3 leans on refinement, driving dynamics and European build quality. If you prioritise range, …
BMW 4 Series Convertible
BMW Z4
VS
When it comes to choosing between the BMW 4 Series Convertible and the BMW Z4, enthusiasts are presented with two distinctly appealing options. The 4 Series Convertible offers a blend of luxury and practicality, making it an ideal choice for those who seek a spacious interior without compromising …
BMW 4 Series Coupe
BMW Z4
VS
The BMW 4 Series Coupe and BMW Z4 compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
BYD Dolphin
MG MG4 Urban
VS
As electric hatchbacks aimed at city buyers, the BYD Dolphin and the MG4 Urban offer practical range and strong value but differ in driving character and tech focus. This comparison highlights the key differences in range, interior space, charging, and driving experience so you can pick the better …
BMW Z4
Mazda MX-5 Roadster
VS
BMW Z4 and Mazda MX-5 Roadster go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BYD Dolphin
MG ZS
VS
The BYD Dolphin and MG ZS are compelling options for urban drivers looking for affordable electric vehicles. The BYD Dolphin stands out with its futuristic design, impressive range, and advanced tech features, making it an attractive choice for those seeking innovation. On the other hand, the MG ZS …
BYD Dolphin
Kia EV3
VS
In the increasingly competitive electric vehicle market, the BYD Dolphin and Kia EV3 stand out with their unique features and modern designs. The Dolphin boasts impressive range and efficiency, catering to eco-conscious drivers, while the EV3 impresses with its sporty handling and advanced …
BYD Dolphin
Ford Puma
VS
BYD Dolphin and Ford Puma go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BMW Z4
BYD Dolphin

Costs and Consumption
Price
43,500 - 65,300 £
Price
29,700 - 31,400 £
Consumption L/100km
6.9 - 8.5 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
157 - 191 g/km
co2
0 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
1,658 kg
Trunk capacity
281 L
Trunk capacity
345 L
Length
-
Length
-
Width
1,864 mm
Width
1,770 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
410 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Manual, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
197 - 340 HP
Power HP
204 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
7 s
Max Speed
-
Max Speed
-
Torque
320 - 500 Nm
Torque
310 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
145 - 250 kW
Power kW
150 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2023
CO2 Efficiency Class
F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
BYD
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.