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Mercedes B Class vs XPeng P7 - Differences and prices compared

Compare performance (238 HP vs 473 HP), boot space and price (33100 £ vs 42500 £) at a glance. Find out which car is the better choice for you – Mercedes B Class or XPeng P7?

Mercedes B Class

5 (4 Reviews)
rate

XPeng P7

4.9 (1 Reviews)
rate

Here’s where it gets real: The technical differences in detail

B Class @ Mercedes-Benz Group Media

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.

Mercedes B Class has a distinct advantage in terms of price – it starts at 33100 £, while the XPeng P7 costs 42500 £. That’s a price difference of around 9385 £.

As for range, the XPeng P7 performs significantly better – achieving up to 576 km, about 493 km more than the Mercedes B Class.

P7 @ XPeng Motors

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 XPeng P7 has a convincingly edge – offering 473 HP compared to 238 HP. That’s roughly 235 HP more horsepower.

In acceleration from 0 to 100 km/h, the XPeng P7 is significantly quicker – completing the sprint in 4.10 s, while the Mercedes B Class takes 6.50 s. That’s about 2.40 s faster.

In terms of top speed, the Mercedes B Class performs slightly better – reaching 250 km/h, while the XPeng P7 tops out at 200 km/h. The difference is around 50 km/h.

There’s also a difference in torque: XPeng P7 pulls convincingly stronger with 757 Nm compared to 450 Nm. That’s about 307 Nm difference.

B Class @ Mercedes-Benz Group Media

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: offers more seating capacity – vs .

In curb weight, Mercedes B Class is clearly lighter – 1405 kg compared to 2020 kg. The difference is around 615 kg.

In terms of boot space, the Mercedes B Class offers barely noticeable more room – 455 L compared to 440 L. That’s a difference of about 15 L.

When it comes to payload, Mercedes B Class evident takes the win – 550 kg compared to 430 kg. That’s a difference of about 120 kg.

Who comes out on top?

Overall, the XPeng P7 shows itself to be outperforms in nearly all aspects and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £42,500
P7 @ XPeng Motors

XPeng P7

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 276 - 473 HP
  • Consumption kWh/100km : 16.8 - 19.2 kWh
  • Electric Range : 505 - 576 km
details
Mercedes B Class
XPeng P7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes B Class

5 (4 Reviews)
rate

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 @ Mercedes-Benz Group Media
18C0947_009 @ Mercedes-Benz Group Media
18C0953_005 @ Mercedes-Benz Group Media
18C0953_035 @ Mercedes-Benz Group Media
18C0947_044 @ Mercedes-Benz Group Media

XPeng P7

4.9 (1 Reviews)
rate

The XPeng P7 cuts a sleek, coupe-like silhouette that looks like a tech firm's idea of a stylish electric sedan, and its minimalist cabin packs smart screens and handy features that actually improve everyday life. Underneath the future-facing image it drives with surprising poise and comes loaded with advanced driver aids, making it a tempting choice for buyers who want electric charisma without the hype.

details
xpeng-p7-front1 @ XPeng Motors
xpeng-p7-rear @ XPeng Motors
xpeng-p7-inter1 @ XPeng Motors

Reviews Mercedes B Class

5 (4 Reviews)
rate

Reviews XPeng P7

4.9 (1 Reviews)
rate

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P7 @ XPeng Motors

Costs and Consumption
Price
33100 - 52500 £
Price
42500 - 50200 £
Consumption L/100km
2.5 - 6.9 L
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.8 - 19.2 kWh
Electric Range
83 km
Electric Range
505 - 576 km
Battery Capacity
12.90 kWh
Battery Capacity
82.70 kWh
co2
56 - 156 g/km
co2
0 g/km
Fuel tank capacity
35 - 51 L
Fuel tank capacity
-

Dimensions and Body
Body Type
MPV
Body Type
Sedan
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1405 - 1745 kg
Curb weight
2020 - 2140 kg
Trunk capacity
405 - 455 L
Trunk capacity
440 L
Length
4419 mm
Length
4888 mm
Width
1796 mm
Width
1896 mm
Height
1562 mm
Height
1450 mm
Max trunk capacity
1440 - 1540 L
Max trunk capacity
-
Payload
505 - 550 kg
Payload
430 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
116 - 238 HP
Power HP
276 - 473 HP
Acceleration 0-100km/h
6.5 - 10 s
Acceleration 0-100km/h
4.1 - 6.7 s
Max Speed
200 - 250 km/h
Max Speed
200 km/h
Torque
200 - 450 Nm
Torque
440 - 757 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
85 - 175 kW
Power kW
203 - 348 kW
Engine capacity
1332 - 1991 cm3
Engine capacity
-

General
Model Year
2024 - 2025
Model Year
2024
CO2 Efficiency Class
B, D, E, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
XPeng

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What drivetrain options does the Mercedes B Class have?

The Mercedes B Class is offered with Front-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.