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BMW X4 vs BYD Seal U comparison

Compare performance (510 HP vs 324 HP), boot space and price (51,900 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – BMW X4 or BYD Seal U?

BMW X4 vs BYD Seal U: Key differences

BMW X4

  • clearly more power
  • clearly quicker 0–100 km/h
  • very slightly lighter
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BYD Seal U

4.1 (7 Reviews)
rate
  • considerably cheaper
  • only slightly more trunk space
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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

X4

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 Seal U is considerably cheaper – starting at 34,300 £ , while the BMW X4 costs 51,900 £ . That’s a price difference of around 17,580 £.

Seal U

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 clearly more power – delivering 510 HP compared to 324 HP. That’s roughly 186 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 Seal U takes 5.9 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the BMW X4 delivers clearly more torque with 700 Nm compared to 550 Nm. That’s about 150 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, BMW X4 is very slightly lighter – 1,875 kg compared to 1,940 kg. The difference is around 65 kg.

Looking at boot space, the BYD Seal U offers only slightly more boot space – 552 L compared to 525 L. That’s a difference of about 27 L.

When it comes to payload, the BMW X4 carries visibly 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 is clearly superior 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 £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
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Frequently compared as well

BYD Seal U
BYD Sealion 7
VS
The BYD Seal U brings crossover practicality and a higher driving position for buyers after everyday versatility, while the sleeker BYD Sealion 7 swaps that raised stance for a lower, sportier profile and crisper road manners. Choose the Seal U for family-friendly space and comfort, or the Sealion …
BYD Seal U
Toyota RAV4
VS
BYD Seal U is a sleek, driver‑focused electric newcomer that delivers brisk, silent acceleration, cutting‑edge tech and impressive running‑cost savings — it’s the car that makes you forget what an internal‑combustion soundtrack sounded like. The Toyota RAV4 sticks to its strengths: rugged, roomy …
BMW X4
BYD Seal U

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.

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Reviews BMW X4

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

BYD Seal U

The BYD Seal U pairs a sleek fastback silhouette with a surprisingly roomy, tech-rich cabin, giving electric chic without the showroom pretension. It's a smart pick for buyers after confident handling, sensible practicality and standout value — all wrapped up with a cheeky grin when you put your foot down.

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BYD SEAL U 157
BYD SEAL U 061
BYD SEAL U 079

Reviews BYD Seal U

4.1 (7 Reviews)
rate
Emily
20 Jan 2026, 22:52:34

Broke down at 200 KM

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

Frequently compared as well

BYD Seal U
MG HS
VS
Fresh from BYD’s EV revolution, the sleek Seal U brings range, tech and bold styling to spar with the MG HS/EHS — MG’s faithful family crossover offered as a petrol and a plug‑in hybrid that plays the safe, sensible card. Which one gives you the best mix of space, running costs and grin‑per‑mile?
BYD Atto 3
BYD Seal U
VS
If you want a friendly, practical EV that looks like it drinks coffee in a hipster cafe and carries everything from groceries to weekend bikes, the BYD Atto 3 is the sensible, value-packed choice. The BYD Seal U, by contrast, dresses up the electric experience with sleeker lines, sharper handling …
BYD Seal U
BYD Seal 6
VS
Think of the BYD Seal U as the nimble, slightly sharper hatchback that’s happier darting through city streets, while the BYD Seal 6 is the sleeker, longer-legged cruiser built for relaxed motorway miles and extra range. If you want playful agility and everyday practicality go Seal U, but if …
BYD Seal U
BYD Seal
VS
The BYD Seal U trades the low-slung, swoopy charm of the BYD Seal for a taller, more practical shape — think crossover comfort, easier loading and a higher driving position without giving up the EV's brisk acceleration. If you want sportier looks and the slickest aero for maximum range, choose the …
BYD Seal U
Kia Sportage
VS
In one corner, the sleek, spoiler-tinged BYD Seal U — an electric fastback that flirts with sports-car dynamics while packing a tech-bomb of range and gadgets; in the other, the practical, ever-adaptable Kia Sportage — a compact SUV that blends comfort, space and sensible running costs into a tidy …
BYD Seal U
Lynk & Co 08
VS
The BYD Seal U feels like a sleek, tech‑forward EV with impressive performance-to-price ratio, while the Lynk & Co 08 plays the role of bold, spacious SUV that prioritizes comfort and presence. If you want sporty agility and cutting‑edge battery tech, go Seal U; if you need family practicality, …
BYD Seal U
Tesla Model Y
VS
The BYD Seal U punches above its price with a sleek fastback profile, surprisingly sporty handling and a tech-packed interior that makes it a compelling foil to the more familiar Tesla Model Y. If you prize Supercharger convenience, software polish and stronger resale you’ll gravitate to the Model …
BYD Seal U
Porsche Cayenne
VS
Put simply: the BYD Seal U is a slick, value-packed electric newcomer that trades brand pedigree for cutting-edge tech, impressive range and a price that makes you rethink running on petrol, while the Porsche Cayenne remains the benchmark for SUV dynamics, luxury and towing practicality with a …
BMW X4
BYD Seal U

Costs and Consumption
Price
51,900 - 93,000 £
Price
34,300 - 39,800 £
Consumption L/100km
6 - 10.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
-
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
156 - 244 g/km
co2
0 - 71 g/km
Fuel tank capacity
65 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,875 - 2,095 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
525 L
Trunk capacity
425 - 552 L
Length
4,751 - 4,754 mm
Length
-
Width
1,918 - 1,938 mm
Width
1,890 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, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
184 - 510 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
3.8 - 8.4 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
213 - 250 km/h
Max Speed
-
Torque
300 - 700 Nm
Torque
300 - 550 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 375 kW
Power kW
160 - 238 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,497 - 1,498 cm3

General
Model Year
2,023 - 2,024
Model Year
2,024 - 2,026
CO2 Efficiency Class
F, G
CO2 Efficiency Class
A, B
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.