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BMW X4 vs BYD Dolphin comparison

Compare performance (510 HP vs 204 HP), boot space and price (51,900 £ vs 29,700 £ ) at a glance. Find out which car is the better choice for you – BMW X4 or BYD Dolphin?

BMW X4 vs BYD Dolphin: Key differences

BMW X4

  • significantly more power
  • clearly quicker 0–100 km/h
  • noticeably 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

X4

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 significantly cheaper – starting at 29,700 £ , while the BMW X4 costs 51,900 £ . That’s a price difference of around 22,166 £.

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 X4 offers significantly more power – delivering 510 HP compared to 204 HP. That’s roughly 306 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW X4 is clearly quicker – completing the sprint in 3.8 s, while the BYD Dolphin takes 7 s. That’s about 3.2 s quicker.

There’s also a difference in torque: the BMW X4 delivers considerably more torque with 700 Nm compared to 310 Nm. That’s about 390 Nm more.

X4

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, BYD Dolphin is slightly lighter – 1,658 kg compared to 1,875 kg. The difference is around 217 kg.

Looking at boot space, the BMW X4 offers noticeably more boot space – 525 L compared to 345 L. That’s a difference of about 180 L.

When it comes to payload, the BMW X4 carries noticeably more – 545 kg compared to 410 kg. That’s a difference of about 135 kg.

Who wins the race in the data check?

The BMW X4 holds a decisive overall lead 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 £51,900
X4

BMW X4

  • Engine Type Petrol MHEV, Diesel MHEV, Petrol
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 184 - 510 HP
  • Consumption L/100km 6 - 10.7 L/100km
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 X4
BYD Dolphin

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW X4

The BMW X4 blends coupe-like styling with SUV practicality, giving you a striking profile that never lets you disappear into traffic. It feels planted and keen behind the wheel, and for buyers who crave personality without sacrificing everyday usability, it’s a compelling and slightly mischievous choice.

details
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Reviews BMW X4

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

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, …
BYD Dolphin
Hyundai Kona
VS
The BYD Dolphin and the Hyundai Kona are two popular compact choices that appeal to city drivers who want efficient, practical cars with modern tech. This comparison looks at how the Dolphin and Kona stack up on range, interior space, driving feel, equipment and running costs so you can pick the …
BMW X2
BMW X4
VS
The BMW X2 and BMW X4 cater to distinct segments of the compact luxury SUV market, each offering a unique blend of style and performance. While the X2 boasts a sportier, more compact design ideal for urban environments, the X4 presents a larger, coupe-like silhouette that emphasizes a powerful …
BMW X3
BMW X4
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BMW X3 and BMW X4 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. || Unsure whether the BMW X3 or the BMW X4 is the better …
BYD Dolphin
Ford Puma
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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. || Unsure whether the BYD Dolphin or the Ford Puma …
BYD Dolphin
Tesla Model 3
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BYD Dolphin and Tesla Model 3 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. || Unsure whether the BYD Dolphin or the Tesla …
BYD Dolphin
MG MG4 Urban
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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 …
BYD Dolphin
Leapmotor B05
VS
BYD Dolphin and Leapmotor B05 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. || Unsure whether the BYD Dolphin or the …
BMW X4
BYD Dolphin

Costs and Consumption
Price
51,900 - 93,000 £
Price
29,700 - 31,400 £
Consumption L/100km
6 - 10.7 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
156 - 244 g/km
co2
0 g/km
Fuel tank capacity
65 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,875 - 2,095 kg
Curb weight
1,658 kg
Trunk capacity
525 L
Trunk capacity
345 L
Length
4,751 - 4,754 mm
Length
-
Width
1,918 - 1,938 mm
Width
1,770 mm
Height
1,620 - 1,621 mm
Height
-
Max trunk capacity
1,430 L
Max trunk capacity
-
Payload
415 - 545 kg
Payload
410 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
184 - 510 HP
Power HP
204 HP
Acceleration 0-100km/h
3.8 - 8.4 s
Acceleration 0-100km/h
7 s
Max Speed
213 - 250 km/h
Max Speed
-
Torque
300 - 700 Nm
Torque
310 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 375 kW
Power kW
150 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,023 - 2,024
Model Year
2023
CO2 Efficiency Class
F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
BYD
Is the BMW X4 offered with different drivetrains?

The BMW X4 is available as 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.