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BYD Seal vs Mercedes B Class comparison

Compare performance (530 HP vs 238 HP), boot space and price (41,100 £ vs 33,100 £ ) at a glance. Find out which car is the better choice for you – BYD Seal or Mercedes B Class?

BYD Seal vs Mercedes B Class: Key differences

BYD Seal

4.9 (1 Reviews)
rate
  • substantially more power
  • significantly quicker 0–100 km/h
details

Mercedes B Class

4.9 (5 Reviews)
rate
  • markedly cheaper
  • clearly 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

Seal

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mercedes B Class is markedly cheaper – starting at 33,100 £ , while the BYD Seal costs 41,100 £ . That’s a price difference of around 8,005 £.

B Class

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 BYD Seal offers substantially more power – delivering 530 HP compared to 238 HP. That’s roughly 292 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Seal is significantly quicker – completing the sprint in 3.8 s, while the Mercedes B Class takes 6.5 s. That’s about 2.7 s quicker.

There’s also a difference in torque: the BYD Seal delivers clearly more torque with 670 Nm compared to 400 Nm. That’s about 270 Nm more.

Seal

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is clearly lighter – 1,405 kg compared to 1,907 kg. The difference is around 502 kg.

When it comes to payload, the Mercedes B Class carries moderately more – 550 kg compared to 473 kg. That’s a difference of about 77 kg.

Who wins the race in the data check?

The BYD Seal is far 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 £41,100
Seal

BYD Seal

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 231 - 530 HP
  • Consumption kWh/100km 15.4 - 18.2 kWh/100km
  • Electric Range 460 - 570 km
details

Frequently compared as well

BYD Seal
BYD Seal 6
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BYD's Seal and the freshly updated Seal 6 go head‑to‑head as the Chinese EV player tries to turn a promising coupe‑ish saloon into something truly polished. We pit range, tech and driving feel against each other to see if the Seal 6 is a worthwhile upgrade—or just a shinier Seal with a fancier …
BYD Seal
BYD Sealion 7
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This comparison looks at the BYD Seal and the BYD Sealion 7 to help you decide which electric BYD best fits your needs. The Seal is a sleek, performance-oriented electric sedan, while the Sealion 7 focuses on greater practicality and interior flexibility for buyers who need more space.
BYD Seal
Mercedes B Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Seal

The BYD Seal is a sleek, fastback-style electric sedan that blends sporty design with a comfortable, tech-forward cabin. It delivers an engaging driving feel, impressive real-world range and strong value, making it a compelling choice for buyers who want a modern EV sedan.

details
E39C85E9-48DC-4818-A3E7-3F02C3DB2C91
8CF01411-B14A-410A-AA11-F9D5B2E2275B
A96F2FC6-6F90-4820-9B66-B5BED237CAFF
56EE1144-A336-4202-B4CC-B68903013A42
03694851-BE3F-404A-85F8-4557ADB00247

Reviews BYD Seal

4.9 (1 Reviews)
rate
Thomas
14 Apr 2026, 15:59:57

Very well equipped and really good quality. Driving performance is more than adequate and very comfortable.

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

Mercedes B Class

The Mercedes B-Class is a smart, grown-up compact people carrier that dresses everyday practicality in a near‑premium polish, perfect for buyers who want comfort and a classy badge without the theatrics. It won’t set your pulse racing on a back road, but it will make school runs, commutes and grocery hauls feel pleasantly civilized — a reliable, slightly posh companion for real life.

details
18C0947_011
18C0947_009
18C0953_005
18C0953_035
18C0947_044

Reviews Mercedes B Class

4.9 (5 Reviews)
rate
Peter
5 Mar 2026, 05:51:19

My wife and I have been driving a Mercedes W247 200d for seven years now, with 93,000 km on the clock. The car is very comfortable even on long trips and economical. At the last service the pads of the electric parking brake were replaced; otherwise no repairs. We love this car.

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
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VS
The BYD Seal hustles like a compact EV sports saloon — slick fastback styling, sharper handling and a punchy electric setup — while the BYD Han plays the polished executive, offering more rear-seat space, luxury trimmings and a broader line-up (including longer-range and hybrid options). Pick the …
Mercedes B Class
Mercedes GLA
VS
The Mercedes B‑Class and Mercedes GLA target buyers who want Mercedes practicality with premium touches, but they take different paths: the B‑Class is a spacious, hatchback-style people carrier while the GLA is a compact crossover with a higher ride height and sportier stance. This comparison looks …
BYD Seal
XPeng P7+
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The BYD Seal and the XPeng P7+ are two sharp electric sedans from Chinese brands that deliver long range, sporty design and advanced technology at competitive prices. This comparison examines how the Seal’s efficient powertrain and rich feature set stack up against the P7+’s driver-assist …
Mercedes A Class
Mercedes B Class
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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
Porsche Taycan
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This comparison pits the BYD Seal — an affordable, tech-forward electric sedan — against the Porsche Taycan, a premium high-performance EV. We'll focus on performance, range, practicality and ownership costs to help you decide which suits your priorities.
BYD Seal
Polestar 4
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Meet the BYD Seal — a tech-packed, value-driven challenger — and the Polestar 4, the sleek Swedish upstart angling for premium credibility. We pit Seal vs Polestar 4 to find out which one delivers the sharper blend of range, performance and everyday usability, and which should earn a spot in your …
BMW i4
BYD Seal
VS
The BMW i4 feels like a familiar, impeccably tuned sports saloon — razor-sharp steering, plush interior and that badge-backed refinement for drivers who crave engagement over bargains. The BYD Seal, meanwhile, is the plucky tech-packed challenger: startling range and kit for the money, bold design …
BYD Seal
Mercedes B Class

Costs and Consumption
Price
41,100 - 46,300 £
Price
33,100 - 52,500 £
Consumption L/100km
-
Consumption L/100km
5.1 - 6.9 L/100km
Consumption kWh/100km
15.4 - 18.2 kWh/100km
Consumption kWh/100km
-
Electric Range
460 - 570 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
133 - 156 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
MPV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,907 - 2,185 kg
Curb weight
1,405 - 1,565 kg
Trunk capacity
-
Trunk capacity
445 - 455 L
Length
-
Length
-
Width
1,875 mm
Width
1,796 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
446 - 473 kg
Payload
515 - 550 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
231 - 530 HP
Power HP
116 - 238 HP
Acceleration 0-100km/h
3.8 - 7.5 s
Acceleration 0-100km/h
6.5 - 10 s
Max Speed
-
Max Speed
-
Torque
360 - 670 Nm
Torque
200 - 400 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
170 - 390 kW
Power kW
85 - 175 kW
Engine capacity
-
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
D, E, F
Brand
BYD
Brand
Mercedes-Benz
Is the BYD Seal offered with different drivetrains?

The BYD Seal is offered with 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.