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BMW 4 Series Coupe vs BYD Dolphin comparison

Compare performance (530 HP vs 204 HP), boot space and price (46,200 £ vs 29,700 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Coupe or BYD Dolphin?

BMW 4 Series Coupe vs BYD Dolphin: Key differences

BMW 4 Series Coupe

5 (1 Reviews)
rate
  • significantly more power
  • substantially quicker 0–100 km/h
  • only slightly lighter
  • visibly more trunk space
details

BYD Dolphin

4 (4 Reviews)
rate
  • significantly cheaper
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

4 Series Coupe

Costs and Efficiency:

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

BYD Dolphin is significantly cheaper – starting at 29,700 £ , while the BMW 4 Series Coupe costs 46,200 £ . That’s a price difference of around 16,509 £.

Dolphin

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 BMW 4 Series Coupe offers significantly more power – delivering 530 HP compared to 204 HP. That’s roughly 326 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Coupe is substantially quicker – completing the sprint in 3.5 s, while the BYD Dolphin takes 7 s. That’s about 3.5 s quicker.

There’s also a difference in torque: the BMW 4 Series Coupe delivers significantly more torque with 700 Nm compared to 310 Nm. That’s about 390 Nm more.

4 Series Coupe

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.

Seats: BYD Dolphin offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Coupe is only slightly lighter – 1,600 kg compared to 1,658 kg. The difference is around 58 kg.

Looking at boot space, the BMW 4 Series Coupe offers visibly more boot space – 440 L compared to 345 L. That’s a difference of about 95 L.

When it comes to payload, the BMW 4 Series Coupe carries barely more – 415 kg compared to 410 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The BMW 4 Series Coupe 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 £46,200
4 Series Coupe

BMW 4 Series Coupe

  • Engine Type Diesel MHEV, Petrol, Petrol MHEV
  • Transmission Automatic, Manuel
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 184 - 530 HP
  • Consumption L/100km 4.8 - 10 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
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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 …
BMW 4 Series Coupe
BYD Dolphin

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 4 Series Coupe

The BMW 4 Series Coupe blends aggressive styling with a driver-focused cabin, making even the humdrum commute feel like a short track day. It balances sharp handling and grown-up comfort with a dash of theatrical flair, so you get sportscar charisma without the drama of constant sacrifices.

details
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Reviews BMW 4 Series Coupe

5 (1 Reviews)
rate
Shomguy
20 Jan 2026, 13:24:39

BMW is the best

How do you mainly use this car? (optional): Family car
Safety

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

BMW 4 Series Coupe
BMW 4 Series Gran Coupe
VS
The BMW 4 Series Coupe and BMW 4 Series Gran Coupe look similar but serve different needs: the Coupe delivers a sharper, sportier two-door profile and a more focused driving feel, while the Gran Coupe blends 4 Series styling with four-door practicality and extra interior space. If you prioritise …
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 Coupe
BMW Z4
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BYD Dolphin
Hyundai Kona
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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 …
BYD Dolphin
Renault R5
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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 2 Series
BMW 4 Series Coupe
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The BMW 2 Series is renowned for its nimble handling and compact size, making it an ideal choice for urban environments and spirited driving on winding roads. In contrast, the BMW 4 Series Coupé offers a more luxurious experience with its sleek design and high-end interior, catering to those who …
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 …
BMW 4 Series Coupe
BYD Dolphin

Costs and Consumption
Price
46,200 - 93,900 £
Price
29,700 - 31,400 £
Consumption L/100km
4.8 - 10 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
126 - 226 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,600 - 1,895 kg
Curb weight
1,658 kg
Trunk capacity
440 L
Trunk capacity
345 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,770 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
355 - 415 kg
Payload
410 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric
Transmission
Automatic, Manuel
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Manual Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
184 - 530 HP
Power HP
204 HP
Acceleration 0-100km/h
3.5 - 7.5 s
Acceleration 0-100km/h
7 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
310 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 390 kW
Power kW
150 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General
Model Year
2,024 - 2,025
Model Year
2023
CO2 Efficiency Class
D, E, F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
BYD
What drive types are available for the BMW 4 Series Coupe?

Available configurations include 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.