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Mercedes B Class vs BYD Atto 2 comparison

Compare performance (238 HP vs 212 HP), boot space and price (33,100 £ vs 27,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes B Class or BYD Atto 2?

Mercedes B Class vs BYD Atto 2: Key differences

Mercedes B Class

4.9 (5 Reviews)
rate
  • slightly more power
  • a bit quicker 0–100 km/h
  • very slightly lighter
  • barely more trunk space
details

BYD Atto 2

4.9 (4 Reviews)
rate
  • noticeably 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

B Class

Costs and Efficiency:

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

BYD Atto 2 is noticeably cheaper – starting at 27,400 £ , while the Mercedes B Class costs 33,100 £ . That’s a price difference of around 5,709 £.

Atto 2

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 Mercedes B Class offers slightly more power – delivering 238 HP compared to 212 HP. That’s roughly 26 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes B Class is a bit quicker – completing the sprint in 6.5 s, while the BYD Atto 2 takes 7.5 s. That’s about 1 s quicker.

There’s also a difference in torque: the Mercedes B Class delivers markedly more torque with 400 Nm compared to 310 Nm. That’s about 90 Nm more.

B Class

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes B Class is very slightly lighter – 1,405 kg compared to 1,510 kg. The difference is around 105 kg.

Looking at boot space, the Mercedes B Class offers barely more boot space – 455 L compared to 450 L. That’s a difference of about 5 L.

When it comes to payload, the Mercedes B Class carries moderately more – 550 kg compared to 490 kg. That’s a difference of about 60 kg.

Who wins the race in the data check?

The BYD Atto 2 holds a slight edge 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 £27,400
Atto 2

BYD Atto 2

  • Engine Type : Electric, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 166 - 212 HP
  • Consumption kWh/100km : 15.8 - 16 kWh/100km
  • Electric Range : 40 - 430 km
details

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Mercedes B Class
BYD Atto 2

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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
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18C0947_009
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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

BYD Atto 2

The BYD Atto 2 is a stylish compact electric SUV that blends bold exterior design with a roomy, tech-focused interior, making it well suited to daily driving and urban life. It delivers a comfortable ride and practical features that will appeal to buyers looking for a modern, user-friendly EV.

details
atto2 Kopie
byd-atto2-interior-01-m

Reviews BYD Atto 2

4.9 (4 Reviews)
rate
Carlos Aguilar
5 Feb 2026, 13:15:18

I've done 6,000 km and I'm delighted. I haven't tried other EVs, but I'm thrilled with the BYD Atto 2. It's true I don't go on long trips — I do everything in the city and nearby, about 100 to 150 km a day — and honestly it's been great in every way. When I hit 300,000 km I'll tell you again. Haha

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes B Class
BYD Atto 2

Costs and Consumption
Price
33,100 - 52,500 £
Price
27,400 - 36,000 £
Consumption L/100km
5.1 - 6.9 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.8 - 16 kWh/100km
Electric Range
-
Electric Range
40 - 430 km
Battery Capacity
-
Battery Capacity
-
co2
133 - 156 g/km
co2
0 - 41 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,405 - 1,565 kg
Curb weight
1,510 - 1,720 kg
Trunk capacity
445 - 455 L
Trunk capacity
400 - 450 L
Length
-
Length
-
Width
1,796 mm
Width
1,830 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
515 - 550 kg
Payload
260 - 490 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel
Engine Type
Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
116 - 238 HP
Power HP
166 - 212 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
7.5 - 9.1 s
Max Speed
-
Max Speed
-
Torque
200 - 400 Nm
Torque
290 - 310 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
85 - 175 kW
Power kW
122 - 156 kW
Engine capacity
1,332 - 1,991 cm3
Engine capacity
1,498 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, E, F
CO2 Efficiency Class
A, B
Brand
Mercedes-Benz
Brand
BYD
What drivetrain options does the Mercedes B Class have?

Available configurations include Front-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.